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< title > 9.2 < / title >
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跳转至
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Hello 算法
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9.2 图基础操作
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正在初始化搜索引擎
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第 0 章 前言
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第 0 章 前言
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0.1 关于本书
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0.2 如何使用本书
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0.3 小结
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第 1 章 初识算法
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第 1 章 初识算法
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1.1 算法无处不在
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1.2 算法是什么
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1.3 小结
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第 2 章 复杂度分析
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第 2 章 复杂度分析
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2.1 算法效率评估
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2.2 迭代与递归
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2.3 时间复杂度
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2.4 空间复杂度
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2.5 小结
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第 3 章 数据结构
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第 3 章 数据结构
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3.1 数据结构分类
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3.2 基本数据类型
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3.3 数字编码 *
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3.4 字符编码 *
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3.5 小结
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第 4 章 数组与链表
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第 6 章 哈希表
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6.1 哈希表
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6.2 哈希冲突
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6.3 哈希算法
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6.4 小结
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第 7 章 树
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第 7 章 树
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7.1 二叉树
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7.4 二叉搜索树
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7.5 AVL 树 *
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7.6 小结
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第 8 章 堆
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第 8 章 堆
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8.1 堆
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8.2 建堆操作
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8.3 Top-K 问题
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8.4 小结
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第 9 章 图
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第 9 章 图
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9.1 图
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9.2 图基础操作
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9.2 图基础操作
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9.2.2 基于邻接表的实现
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9.3 图的遍历
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9.4 小结
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< svg xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 24 24" > < path d = "m19.31 18.9 3.08 3.1L21 23.39l-3.12-3.07c-.69.43-1.51.68-2.38.68-2.5 0-4.5-2-4.5-4.5s2-4.5 4.5-4.5 4.5 2 4.5 4.5c0 .88-.25 1.71-.69 2.4m-3.81.1a2.5 2.5 0 0 0 0-5 2.5 2.5 0 0 0 0 5M21 4v2H3V4h18M3 16v-2h6v2H3m0-5V9h18v2h-2.03c-1.01-.63-2.2-1-3.47-1s-2.46.37-3.47 1H3Z" / > < / svg >
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第 10 章 搜索
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第 10 章 搜索
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< / label >
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10.1 二分查找
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10.2 二分查找插入点
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10.3 二分查找边界
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< li class = "md-nav__item" >
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10.4 哈希优化策略
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< li class = "md-nav__item" >
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< a href = "../../chapter_searching/searching_algorithm_revisited/" class = "md-nav__link" >
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< span class = "md-ellipsis" >
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10.5 重识搜索算法
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< / span >
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< / a >
< / li >
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< li class = "md-nav__item" >
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< a href = "../../chapter_searching/summary/" class = "md-nav__link" >
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< span class = "md-ellipsis" >
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10.6 小结
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< / span >
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< / a >
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< / ul >
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< li class = "md-nav__item md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle " type = "checkbox" id = "__nav_12" >
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< div class = "md-nav__link md-nav__container" >
< a href = "../../chapter_sorting/" class = "md-nav__link " >
< svg xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 24 24" > < path d = "M19 17h3l-4 4-4-4h3V3h2M2 17h10v2H2M6 5v2H2V5m0 6h7v2H2v-2Z" / > < / svg >
< span class = "md-ellipsis" >
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第 11 章 排序
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< / span >
< / a >
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< span class = "md-nav__icon md-icon" > < / span >
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第 11 章 排序
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< / label >
< ul class = "md-nav__list" data-md-scrollfix >
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11.1 排序算法
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< / span >
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< / a >
< / li >
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< li class = "md-nav__item" >
< a href = "../../chapter_sorting/selection_sort/" class = "md-nav__link" >
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11.2 选择排序
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< / span >
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< / li >
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< li class = "md-nav__item" >
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11.3 冒泡排序
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< / span >
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< / a >
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< li class = "md-nav__item" >
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11.4 插入排序
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< / span >
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< / a >
< / li >
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< li class = "md-nav__item" >
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11.5 快速排序
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< / span >
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< / a >
< / li >
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< li class = "md-nav__item" >
< a href = "../../chapter_sorting/merge_sort/" class = "md-nav__link" >
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11.6 归并排序
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< / span >
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< / a >
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< / li >
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< li class = "md-nav__item" >
< a href = "../../chapter_sorting/heap_sort/" class = "md-nav__link" >
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11.7 堆排序
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< / span >
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< / a >
< / li >
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< li class = "md-nav__item" >
< a href = "../../chapter_sorting/bucket_sort/" class = "md-nav__link" >
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11.8 桶排序
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< / span >
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< / a >
< / li >
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< li class = "md-nav__item" >
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< a href = "../../chapter_sorting/counting_sort/" class = "md-nav__link" >
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11.9 计数排序
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< / span >
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< / a >
< / li >
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< li class = "md-nav__item" >
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< a href = "../../chapter_sorting/radix_sort/" class = "md-nav__link" >
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< span class = "md-ellipsis" >
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11.10 基数排序
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< / span >
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< / a >
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< li class = "md-nav__item" >
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< a href = "../../chapter_sorting/summary/" class = "md-nav__link" >
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< span class = "md-ellipsis" >
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11.11 小结
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< / span >
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< / a >
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< / li >
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< li class = "md-nav__item md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle " type = "checkbox" id = "__nav_13" >
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< div class = "md-nav__link md-nav__container" >
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< svg xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 24 24" > < path d = "M17 7v2h5V7h-5M2 9v6h5V9H2m10 0v2H9v2h3v2l3-3-3-3m5 2v2h5v-2h-5m0 4v2h5v-2h-5Z" / > < / svg >
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第 12 章 分治
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< / span >
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第 12 章 分治
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< / label >
< ul class = "md-nav__list" data-md-scrollfix >
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12.1 分治算法
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< / span >
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< / a >
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< li class = "md-nav__item" >
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< span class = "md-ellipsis" >
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12.2 分治搜索策略
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< / span >
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< li class = "md-nav__item" >
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< span class = "md-ellipsis" >
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12.3 构建树问题
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< / span >
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< / li >
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< li class = "md-nav__item" >
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12.4 汉诺塔问题
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< / span >
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< / a >
< / li >
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< li class = "md-nav__item" >
< a href = "../../chapter_divide_and_conquer/summary/" class = "md-nav__link" >
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12.5 小结
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< / ul >
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< li class = "md-nav__item md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle " type = "checkbox" id = "__nav_14" >
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< div class = "md-nav__link md-nav__container" >
< a href = "../../chapter_backtracking/" class = "md-nav__link " >
< svg xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 24 24" > < path d = "M18 15a3 3 0 0 1 3 3 3 3 0 0 1-3 3 2.99 2.99 0 0 1-2.83-2H14v-2h1.17c.41-1.17 1.52-2 2.83-2m0 2a1 1 0 0 0-1 1 1 1 0 0 0 1 1 1 1 0 0 0 1-1 1 1 0 0 0-1-1m0-9a1.43 1.43 0 0 0 1.43-1.43 1.43 1.43 0 1 0-2.86 0A1.43 1.43 0 0 0 18 8m0-5.43a4 4 0 0 1 4 4C22 9.56 18 14 18 14s-4-4.44-4-7.43a4 4 0 0 1 4-4M8.83 17H10v2H8.83A2.99 2.99 0 0 1 6 21a3 3 0 0 1-3-3c0-1.31.83-2.42 2-2.83V14h2v1.17c.85.3 1.53.98 1.83 1.83M6 17a1 1 0 0 0-1 1 1 1 0 0 0 1 1 1 1 0 0 0 1-1 1 1 0 0 0-1-1M6 3a3 3 0 0 1 3 3c0 1.31-.83 2.42-2 2.83V10H5V8.83A2.99 2.99 0 0 1 3 6a3 3 0 0 1 3-3m0 2a1 1 0 0 0-1 1 1 1 0 0 0 1 1 1 1 0 0 0 1-1 1 1 0 0 0-1-1m5 14v-2h2v2h-2m-4-6H5v-2h2v2Z" / > < / svg >
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第 13 章 回溯
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< / a >
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第 13 章 回溯
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< / label >
< ul class = "md-nav__list" data-md-scrollfix >
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< li class = "md-nav__item" >
< a href = "../../chapter_backtracking/backtracking_algorithm/" class = "md-nav__link" >
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13.1 回溯算法
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< / span >
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< / a >
< / li >
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< li class = "md-nav__item" >
< a href = "../../chapter_backtracking/permutations_problem/" class = "md-nav__link" >
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13.2 全排列问题
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13.4 N 皇后问题
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14.2 DP 问题特性
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14.3 DP 解题思路
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14.4 0-1 背包问题
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14.5 完全背包问题
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14.7 小结
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15.1 贪心算法
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< h1 id = "92" > 9.2 图基础操作< a class = "headerlink" href = "#92" title = "Permanent link" > ¶ < / a > < / h1 >
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< p > 图的基础操作可分为对“边”的操作和对“顶点”的操作。在“邻接矩阵”和“邻接表”两种表示方法下，实现方式有所不同。< / p >
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< h2 id = "921" > 9.2.1 基于邻接矩阵的实现< a class = "headerlink" href = "#921" title = "Permanent link" > ¶ < / a > < / h2 >
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< p > 给定一个顶点数量为 < span class = "arithmatex" > \(n\)< / span > 的无向图，则各种操作的实现方式如图 9-7 所示。< / p >
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< ul >
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< li > < strong > 添加或删除边< / strong > ：直接在邻接矩阵中修改指定的边即可，使用 < span class = "arithmatex" > \(O(1)\)< / span > 时间。而由于是无向图，因此需要同时更新两个方向的边。< / li >
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< li > < strong > 添加顶点< / strong > ：在邻接矩阵的尾部添加一行一列，并全部填 < span class = "arithmatex" > \(0\)< / span > 即可，使用 < span class = "arithmatex" > \(O(n)\)< / span > 时间。< / li >
< li > < strong > 删除顶点< / strong > ：在邻接矩阵中删除一行一列。当删除首行首列时达到最差情况，需要将 < span class = "arithmatex" > \((n-1)^2\)< / span > 个元素“向左上移动”，从而使用 < span class = "arithmatex" > \(O(n^2)\)< / span > 时间。< / li >
< li > < strong > 初始化< / strong > ：传入 < span class = "arithmatex" > \(n\)< / span > 个顶点，初始化长度为 < span class = "arithmatex" > \(n\)< / span > 的顶点列表 < code > vertices< / code > ，使用 < span class = "arithmatex" > \(O(n)\)< / span > 时间；初始化 < span class = "arithmatex" > \(n \times n\)< / span > 大小的邻接矩阵 < code > adjMat< / code > ，使用 < span class = "arithmatex" > \(O(n^2)\)< / span > 时间。< / li >
< / ul >
< div class = "tabbed-set tabbed-alternate" data-tabs = "1:5" > < input checked = "checked" id = "__tabbed_1_1" name = "__tabbed_1" type = "radio" / > < input id = "__tabbed_1_2" name = "__tabbed_1" type = "radio" / > < input id = "__tabbed_1_3" name = "__tabbed_1" type = "radio" / > < input id = "__tabbed_1_4" name = "__tabbed_1" type = "radio" / > < input id = "__tabbed_1_5" name = "__tabbed_1" type = "radio" / > < div class = "tabbed-labels" > < label for = "__tabbed_1_1" > 初始化邻接矩阵< / label > < label for = "__tabbed_1_2" > 添加边< / label > < label for = "__tabbed_1_3" > 删除边< / label > < label for = "__tabbed_1_4" > 添加顶点< / label > < label for = "__tabbed_1_5" > 删除顶点< / label > < / div >
< div class = "tabbed-content" >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_matrix_initialization.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "邻接矩阵的初始化、增删边、增删顶点" src = "../graph_operations.assets/adjacency_matrix_initialization.png" / > < / a > < / p >
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< / div >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_matrix_add_edge.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "adjacency_matrix_add_edge" src = "../graph_operations.assets/adjacency_matrix_add_edge.png" / > < / a > < / p >
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< / div >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_matrix_remove_edge.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "adjacency_matrix_remove_edge" src = "../graph_operations.assets/adjacency_matrix_remove_edge.png" / > < / a > < / p >
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< / div >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_matrix_add_vertex.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "adjacency_matrix_add_vertex" src = "../graph_operations.assets/adjacency_matrix_add_vertex.png" / > < / a > < / p >
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< / div >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_matrix_remove_vertex.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "adjacency_matrix_remove_vertex" src = "../graph_operations.assets/adjacency_matrix_remove_vertex.png" / > < / a > < / p >
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< / div >
< / div >
< / div >
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< p align = "center" > 图 9-7 邻接矩阵的初始化、增删边、增删顶点 < / p >
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< p > 以下是基于邻接矩阵表示图的实现代码。< / p >
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< div class = "tabbed-set tabbed-alternate" data-tabs = "2:12" > < input checked = "checked" id = "__tabbed_2_1" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_2" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_3" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_4" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_5" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_6" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_7" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_8" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_9" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_10" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_11" name = "__tabbed_2" type = "radio" / > < input id = "__tabbed_2_12" name = "__tabbed_2" type = "radio" / > < div class = "tabbed-labels" > < label for = "__tabbed_2_1" > Python< / label > < label for = "__tabbed_2_2" > C++< / label > < label for = "__tabbed_2_3" > Java< / label > < label for = "__tabbed_2_4" > C#< / label > < label for = "__tabbed_2_5" > Go< / label > < label for = "__tabbed_2_6" > Swift< / label > < label for = "__tabbed_2_7" > JS< / label > < label for = "__tabbed_2_8" > TS< / label > < label for = "__tabbed_2_9" > Dart< / label > < label for = "__tabbed_2_10" > Rust< / label > < label for = "__tabbed_2_11" > C< / label > < label for = "__tabbed_2_12" > Zig< / label > < / div >
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< div class = "tabbed-content" >
< div class = "tabbed-block" >
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< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.py< / span > < pre > < span > < / span > < code > < a id = "__codelineno-0-1" name = "__codelineno-0-1" href = "#__codelineno-0-1" > < / a > < span class = "k" > class< / span > < span class = "nc" > GraphAdjMat< / span > < span class = "p" > :< / span >
< a id = "__codelineno-0-2" name = "__codelineno-0-2" href = "#__codelineno-0-2" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 基于邻接矩阵实现的无向图类" " " < / span >
< a id = "__codelineno-0-3" name = "__codelineno-0-3" href = "#__codelineno-0-3" > < / a >
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< a id = "__codelineno-0-4" name = "__codelineno-0-4" href = "#__codelineno-0-4" > < / a > < span class = "k" > def< / span > < span class = "fm" > __init__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > vertices< / span > < span class = "p" > :< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > int< / span > < span class = "p" > ],< / span > < span class = "n" > edges< / span > < span class = "p" > :< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > int< / span > < span class = "p" > ]]):< / span >
< a id = "__codelineno-0-5" name = "__codelineno-0-5" href = "#__codelineno-0-5" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 构造方法" " " < / span >
< a id = "__codelineno-0-6" name = "__codelineno-0-6" href = "#__codelineno-0-6" > < / a > < span class = "c1" > # 顶点列表，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-0-7" name = "__codelineno-0-7" href = "#__codelineno-0-7" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > vertices< / span > < span class = "p" > :< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > int< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< a id = "__codelineno-0-8" name = "__codelineno-0-8" href = "#__codelineno-0-8" > < / a > < span class = "c1" > # 邻接矩阵，行列索引对应“顶点索引”< / span >
< a id = "__codelineno-0-9" name = "__codelineno-0-9" href = "#__codelineno-0-9" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > :< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > int< / span > < span class = "p" > ]]< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< a id = "__codelineno-0-10" name = "__codelineno-0-10" href = "#__codelineno-0-10" > < / a > < span class = "c1" > # 添加顶点< / span >
< a id = "__codelineno-0-11" name = "__codelineno-0-11" href = "#__codelineno-0-11" > < / a > < span class = "k" > for< / span > < span class = "n" > val< / span > < span class = "ow" > in< / span > < span class = "n" > vertices< / span > < span class = "p" > :< / span >
< a id = "__codelineno-0-12" name = "__codelineno-0-12" href = "#__codelineno-0-12" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > add_vertex< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-13" name = "__codelineno-0-13" href = "#__codelineno-0-13" > < / a > < span class = "c1" > # 添加边< / span >
< a id = "__codelineno-0-14" name = "__codelineno-0-14" href = "#__codelineno-0-14" > < / a > < span class = "c1" > # 请注意， < / span >
< a id = "__codelineno-0-15" name = "__codelineno-0-15" href = "#__codelineno-0-15" > < / a > < span class = "k" > for< / span > < span class = "n" > e< / span > < span class = "ow" > in< / span > < span class = "n" > edges< / span > < span class = "p" > :< / span >
< a id = "__codelineno-0-16" name = "__codelineno-0-16" href = "#__codelineno-0-16" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > add_edge< / span > < span class = "p" > (< / span > < span class = "n" > e< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "n" > e< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-0-17" name = "__codelineno-0-17" href = "#__codelineno-0-17" > < / a >
< a id = "__codelineno-0-18" name = "__codelineno-0-18" href = "#__codelineno-0-18" > < / a > < span class = "k" > def< / span > < span class = "nf" > size< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "nb" > int< / span > < span class = "p" > :< / span >
< a id = "__codelineno-0-19" name = "__codelineno-0-19" href = "#__codelineno-0-19" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 获取顶点数量" " " < / span >
< a id = "__codelineno-0-20" name = "__codelineno-0-20" href = "#__codelineno-0-20" > < / a > < span class = "k" > return< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > vertices< / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-21" name = "__codelineno-0-21" href = "#__codelineno-0-21" > < / a >
< a id = "__codelineno-0-22" name = "__codelineno-0-22" href = "#__codelineno-0-22" > < / a > < span class = "k" > def< / span > < span class = "nf" > add_vertex< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-0-23" name = "__codelineno-0-23" href = "#__codelineno-0-23" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 添加顶点" " " < / span >
< a id = "__codelineno-0-24" name = "__codelineno-0-24" href = "#__codelineno-0-24" > < / a > < span class = "n" > n< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-0-25" name = "__codelineno-0-25" href = "#__codelineno-0-25" > < / a > < span class = "c1" > # 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-0-26" name = "__codelineno-0-26" href = "#__codelineno-0-26" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > vertices< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-27" name = "__codelineno-0-27" href = "#__codelineno-0-27" > < / a > < span class = "c1" > # 在邻接矩阵中添加一行< / span >
< a id = "__codelineno-0-28" name = "__codelineno-0-28" href = "#__codelineno-0-28" > < / a > < span class = "n" > new_row< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]< / span > < span class = "o" > *< / span > < span class = "n" > n< / span >
< a id = "__codelineno-0-29" name = "__codelineno-0-29" href = "#__codelineno-0-29" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > new_row< / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-30" name = "__codelineno-0-30" href = "#__codelineno-0-30" > < / a > < span class = "c1" > # 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-0-31" name = "__codelineno-0-31" href = "#__codelineno-0-31" > < / a > < span class = "k" > for< / span > < span class = "n" > row< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > :< / span >
< a id = "__codelineno-0-32" name = "__codelineno-0-32" href = "#__codelineno-0-32" > < / a > < span class = "n" > row< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-33" name = "__codelineno-0-33" href = "#__codelineno-0-33" > < / a >
< a id = "__codelineno-0-34" name = "__codelineno-0-34" href = "#__codelineno-0-34" > < / a > < span class = "k" > def< / span > < span class = "nf" > remove_vertex< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > index< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-0-35" name = "__codelineno-0-35" href = "#__codelineno-0-35" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 删除顶点" " " < / span >
< a id = "__codelineno-0-36" name = "__codelineno-0-36" href = "#__codelineno-0-36" > < / a > < span class = "k" > if< / span > < span class = "n" > index< / span > < span class = "o" > > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > size< / span > < span class = "p" > ():< / span >
< a id = "__codelineno-0-37" name = "__codelineno-0-37" href = "#__codelineno-0-37" > < / a > < span class = "k" > raise< / span > < span class = "ne" > IndexError< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-0-38" name = "__codelineno-0-38" href = "#__codelineno-0-38" > < / a > < span class = "c1" > # 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-0-39" name = "__codelineno-0-39" href = "#__codelineno-0-39" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > vertices< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-40" name = "__codelineno-0-40" href = "#__codelineno-0-40" > < / a > < span class = "c1" > # 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-0-41" name = "__codelineno-0-41" href = "#__codelineno-0-41" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-42" name = "__codelineno-0-42" href = "#__codelineno-0-42" > < / a > < span class = "c1" > # 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-0-43" name = "__codelineno-0-43" href = "#__codelineno-0-43" > < / a > < span class = "k" > for< / span > < span class = "n" > row< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > :< / span >
< a id = "__codelineno-0-44" name = "__codelineno-0-44" href = "#__codelineno-0-44" > < / a > < span class = "n" > row< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-45" name = "__codelineno-0-45" href = "#__codelineno-0-45" > < / a >
< a id = "__codelineno-0-46" name = "__codelineno-0-46" href = "#__codelineno-0-46" > < / a > < span class = "k" > def< / span > < span class = "nf" > add_edge< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > i< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > ,< / span > < span class = "n" > j< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-0-47" name = "__codelineno-0-47" href = "#__codelineno-0-47" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 添加边" " " < / span >
< a id = "__codelineno-0-48" name = "__codelineno-0-48" href = "#__codelineno-0-48" > < / a > < span class = "c1" > # 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-0-49" name = "__codelineno-0-49" href = "#__codelineno-0-49" > < / a > < span class = "c1" > # 索引越界与相等处理< / span >
< a id = "__codelineno-0-50" name = "__codelineno-0-50" href = "#__codelineno-0-50" > < / a > < span class = "k" > if< / span > < span class = "n" > i< / span > < span class = "o" > < < / span > < span class = "mi" > 0< / span > < span class = "ow" > or< / span > < span class = "n" > j< / span > < span class = "o" > < < / span > < span class = "mi" > 0< / span > < span class = "ow" > or< / span > < span class = "n" > i< / span > < span class = "o" > > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "ow" > or< / span > < span class = "n" > j< / span > < span class = "o" > > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "ow" > or< / span > < span class = "n" > i< / span > < span class = "o" > ==< / span > < span class = "n" > j< / span > < span class = "p" > :< / span >
< a id = "__codelineno-0-51" name = "__codelineno-0-51" href = "#__codelineno-0-51" > < / a > < span class = "k" > raise< / span > < span class = "ne" > IndexError< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-0-52" name = "__codelineno-0-52" href = "#__codelineno-0-52" > < / a > < span class = "c1" > # 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) == (j, i)< / span >
< a id = "__codelineno-0-53" name = "__codelineno-0-53" href = "#__codelineno-0-53" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span >
< a id = "__codelineno-0-54" name = "__codelineno-0-54" href = "#__codelineno-0-54" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "mi" > 1< / span >
< a id = "__codelineno-0-55" name = "__codelineno-0-55" href = "#__codelineno-0-55" > < / a >
< a id = "__codelineno-0-56" name = "__codelineno-0-56" href = "#__codelineno-0-56" > < / a > < span class = "k" > def< / span > < span class = "nf" > remove_edge< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > i< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > ,< / span > < span class = "n" > j< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-0-57" name = "__codelineno-0-57" href = "#__codelineno-0-57" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 删除边" " " < / span >
< a id = "__codelineno-0-58" name = "__codelineno-0-58" href = "#__codelineno-0-58" > < / a > < span class = "c1" > # 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-0-59" name = "__codelineno-0-59" href = "#__codelineno-0-59" > < / a > < span class = "c1" > # 索引越界与相等处理< / span >
< a id = "__codelineno-0-60" name = "__codelineno-0-60" href = "#__codelineno-0-60" > < / a > < span class = "k" > if< / span > < span class = "n" > i< / span > < span class = "o" > < < / span > < span class = "mi" > 0< / span > < span class = "ow" > or< / span > < span class = "n" > j< / span > < span class = "o" > < < / span > < span class = "mi" > 0< / span > < span class = "ow" > or< / span > < span class = "n" > i< / span > < span class = "o" > > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "ow" > or< / span > < span class = "n" > j< / span > < span class = "o" > > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "ow" > or< / span > < span class = "n" > i< / span > < span class = "o" > ==< / span > < span class = "n" > j< / span > < span class = "p" > :< / span >
< a id = "__codelineno-0-61" name = "__codelineno-0-61" href = "#__codelineno-0-61" > < / a > < span class = "k" > raise< / span > < span class = "ne" > IndexError< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-0-62" name = "__codelineno-0-62" href = "#__codelineno-0-62" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span >
< a id = "__codelineno-0-63" name = "__codelineno-0-63" href = "#__codelineno-0-63" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "mi" > 0< / span >
< a id = "__codelineno-0-64" name = "__codelineno-0-64" href = "#__codelineno-0-64" > < / a >
< a id = "__codelineno-0-65" name = "__codelineno-0-65" href = "#__codelineno-0-65" > < / a > < span class = "k" > def< / span > < span class = "nf" > print< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-0-66" name = "__codelineno-0-66" href = "#__codelineno-0-66" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 打印邻接矩阵" " " < / span >
< a id = "__codelineno-0-67" name = "__codelineno-0-67" href = "#__codelineno-0-67" > < / a > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " 顶点列表 =" < / span > < span class = "p" > ,< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > vertices< / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-68" name = "__codelineno-0-68" href = "#__codelineno-0-68" > < / a > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " 邻接矩阵 =" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-0-69" name = "__codelineno-0-69" href = "#__codelineno-0-69" > < / a > < span class = "n" > print_matrix< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > )< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.cpp< / span > < pre > < span > < / span > < code > < a id = "__codelineno-1-1" name = "__codelineno-1-1" href = "#__codelineno-1-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图类 */< / span >
< a id = "__codelineno-1-2" name = "__codelineno-1-2" href = "#__codelineno-1-2" > < / a > < span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-3" name = "__codelineno-1-3" href = "#__codelineno-1-3" > < / a > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 顶点列表，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-1-4" name = "__codelineno-1-4" href = "#__codelineno-1-4" > < / a > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 邻接矩阵，行列索引对应“顶点索引”< / span >
< a id = "__codelineno-1-5" name = "__codelineno-1-5" href = "#__codelineno-1-5" > < / a >
< a id = "__codelineno-1-6" name = "__codelineno-1-6" href = "#__codelineno-1-6" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "o" > :< / span >
< a id = "__codelineno-1-7" name = "__codelineno-1-7" href = "#__codelineno-1-7" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-1-8" name = "__codelineno-1-8" href = "#__codelineno-1-8" > < / a > < span class = "w" > < / span > < span class = "n" > GraphAdjMat< / span > < span class = "p" > (< / span > < span class = "k" > const< / span > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > vertices< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "k" > const< / span > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-9" name = "__codelineno-1-9" href = "#__codelineno-1-9" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加顶点< / span >
< a id = "__codelineno-1-10" name = "__codelineno-1-10" href = "#__codelineno-1-10" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-11" name = "__codelineno-1-11" href = "#__codelineno-1-11" > < / a > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-12" name = "__codelineno-1-12" href = "#__codelineno-1-12" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-13" name = "__codelineno-1-13" href = "#__codelineno-1-13" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边< / span >
< a id = "__codelineno-1-14" name = "__codelineno-1-14" href = "#__codelineno-1-14" > < / a > < span class = "w" > < / span > < span class = "c1" > // 请注意， < / span >
< a id = "__codelineno-1-15" name = "__codelineno-1-15" href = "#__codelineno-1-15" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "k" > const< / span > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > edge< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-16" name = "__codelineno-1-16" href = "#__codelineno-1-16" > < / a > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-1-17" name = "__codelineno-1-17" href = "#__codelineno-1-17" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-18" name = "__codelineno-1-18" href = "#__codelineno-1-18" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-19" name = "__codelineno-1-19" href = "#__codelineno-1-19" > < / a >
< a id = "__codelineno-1-20" name = "__codelineno-1-20" href = "#__codelineno-1-20" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-1-21" name = "__codelineno-1-21" href = "#__codelineno-1-21" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "k" > const< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-22" name = "__codelineno-1-22" href = "#__codelineno-1-22" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-1-23" name = "__codelineno-1-23" href = "#__codelineno-1-23" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-24" name = "__codelineno-1-24" href = "#__codelineno-1-24" > < / a >
< a id = "__codelineno-1-25" name = "__codelineno-1-25" href = "#__codelineno-1-25" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-1-26" name = "__codelineno-1-26" href = "#__codelineno-1-26" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-27" name = "__codelineno-1-27" href = "#__codelineno-1-27" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-1-28" name = "__codelineno-1-28" href = "#__codelineno-1-28" > < / a > < span class = "w" > < / span > < span class = "c1" > // 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-1-29" name = "__codelineno-1-29" href = "#__codelineno-1-29" > < / a > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > push_back< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-30" name = "__codelineno-1-30" href = "#__codelineno-1-30" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一行< / span >
< a id = "__codelineno-1-31" name = "__codelineno-1-31" href = "#__codelineno-1-31" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "n" > emplace_back< / span > < span class = "p" > (< / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "p" > (< / span > < span class = "n" > n< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ));< / span >
< a id = "__codelineno-1-32" name = "__codelineno-1-32" href = "#__codelineno-1-32" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-1-33" name = "__codelineno-1-33" href = "#__codelineno-1-33" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-34" name = "__codelineno-1-34" href = "#__codelineno-1-34" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "n" > push_back< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-35" name = "__codelineno-1-35" href = "#__codelineno-1-35" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-36" name = "__codelineno-1-36" href = "#__codelineno-1-36" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-37" name = "__codelineno-1-37" href = "#__codelineno-1-37" > < / a >
< a id = "__codelineno-1-38" name = "__codelineno-1-38" href = "#__codelineno-1-38" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-1-39" name = "__codelineno-1-39" href = "#__codelineno-1-39" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > removeVertex< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-40" name = "__codelineno-1-40" href = "#__codelineno-1-40" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-41" name = "__codelineno-1-41" href = "#__codelineno-1-41" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > out_of_range< / span > < span class = "p" > (< / span > < span class = "s" > " 顶点不存在" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-42" name = "__codelineno-1-42" href = "#__codelineno-1-42" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-43" name = "__codelineno-1-43" href = "#__codelineno-1-43" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-1-44" name = "__codelineno-1-44" href = "#__codelineno-1-44" > < / a > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > erase< / span > < span class = "p" > (< / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > begin< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-45" name = "__codelineno-1-45" href = "#__codelineno-1-45" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-1-46" name = "__codelineno-1-46" href = "#__codelineno-1-46" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "n" > erase< / span > < span class = "p" > (< / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "n" > begin< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-47" name = "__codelineno-1-47" href = "#__codelineno-1-47" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-1-48" name = "__codelineno-1-48" href = "#__codelineno-1-48" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-49" name = "__codelineno-1-49" href = "#__codelineno-1-49" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "n" > erase< / span > < span class = "p" > (< / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "n" > begin< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-50" name = "__codelineno-1-50" href = "#__codelineno-1-50" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-51" name = "__codelineno-1-51" href = "#__codelineno-1-51" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-52" name = "__codelineno-1-52" href = "#__codelineno-1-52" > < / a >
< a id = "__codelineno-1-53" name = "__codelineno-1-53" href = "#__codelineno-1-53" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-1-54" name = "__codelineno-1-54" href = "#__codelineno-1-54" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-1-55" name = "__codelineno-1-55" href = "#__codelineno-1-55" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-56" name = "__codelineno-1-56" href = "#__codelineno-1-56" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-1-57" name = "__codelineno-1-57" href = "#__codelineno-1-57" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-58" name = "__codelineno-1-58" href = "#__codelineno-1-58" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > out_of_range< / span > < span class = "p" > (< / span > < span class = "s" > " 顶点不存在" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-59" name = "__codelineno-1-59" href = "#__codelineno-1-59" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-60" name = "__codelineno-1-60" href = "#__codelineno-1-60" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) == (j, i)< / span >
< a id = "__codelineno-1-61" name = "__codelineno-1-61" href = "#__codelineno-1-61" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-62" name = "__codelineno-1-62" href = "#__codelineno-1-62" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-63" name = "__codelineno-1-63" href = "#__codelineno-1-63" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-64" name = "__codelineno-1-64" href = "#__codelineno-1-64" > < / a >
< a id = "__codelineno-1-65" name = "__codelineno-1-65" href = "#__codelineno-1-65" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-1-66" name = "__codelineno-1-66" href = "#__codelineno-1-66" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-1-67" name = "__codelineno-1-67" href = "#__codelineno-1-67" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > removeEdge< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-68" name = "__codelineno-1-68" href = "#__codelineno-1-68" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-1-69" name = "__codelineno-1-69" href = "#__codelineno-1-69" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-70" name = "__codelineno-1-70" href = "#__codelineno-1-70" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > out_of_range< / span > < span class = "p" > (< / span > < span class = "s" > " 顶点不存在" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-71" name = "__codelineno-1-71" href = "#__codelineno-1-71" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-72" name = "__codelineno-1-72" href = "#__codelineno-1-72" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-73" name = "__codelineno-1-73" href = "#__codelineno-1-73" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-74" name = "__codelineno-1-74" href = "#__codelineno-1-74" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-75" name = "__codelineno-1-75" href = "#__codelineno-1-75" > < / a >
< a id = "__codelineno-1-76" name = "__codelineno-1-76" href = "#__codelineno-1-76" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接矩阵 */< / span >
< a id = "__codelineno-1-77" name = "__codelineno-1-77" href = "#__codelineno-1-77" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-1-78" name = "__codelineno-1-78" href = "#__codelineno-1-78" > < / a > < span class = "w" > < / span > < span class = "n" > cout< / span > < span class = "w" > < / span > < span class = "o" > < < < / span > < span class = "w" > < / span > < span class = "s" > " 顶点列表 = " < / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-79" name = "__codelineno-1-79" href = "#__codelineno-1-79" > < / a > < span class = "w" > < / span > < span class = "n" > printVector< / span > < span class = "p" > (< / span > < span class = "n" > vertices< / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-80" name = "__codelineno-1-80" href = "#__codelineno-1-80" > < / a > < span class = "w" > < / span > < span class = "n" > cout< / span > < span class = "w" > < / span > < span class = "o" > < < < / span > < span class = "w" > < / span > < span class = "s" > " 邻接矩阵 =" < / span > < span class = "w" > < / span > < span class = "o" > < < < / span > < span class = "w" > < / span > < span class = "n" > endl< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-81" name = "__codelineno-1-81" href = "#__codelineno-1-81" > < / a > < span class = "w" > < / span > < span class = "n" > printVectorMatrix< / span > < span class = "p" > (< / span > < span class = "n" > adjMat< / span > < span class = "p" > );< / span >
< a id = "__codelineno-1-82" name = "__codelineno-1-82" href = "#__codelineno-1-82" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-1-83" name = "__codelineno-1-83" href = "#__codelineno-1-83" > < / a > < span class = "p" > };< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.java< / span > < pre > < span > < / span > < code > < a id = "__codelineno-2-1" name = "__codelineno-2-1" href = "#__codelineno-2-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图类 */< / span >
< a id = "__codelineno-2-2" name = "__codelineno-2-2" href = "#__codelineno-2-2" > < / a > < span class = "kd" > class< / span > < span class = "nc" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-3" name = "__codelineno-2-3" href = "#__codelineno-2-3" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Integer< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 顶点列表，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-2-4" name = "__codelineno-2-4" href = "#__codelineno-2-4" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Integer< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 邻接矩阵，行列索引对应“顶点索引”< / span >
< a id = "__codelineno-2-5" name = "__codelineno-2-5" href = "#__codelineno-2-5" > < / a >
< a id = "__codelineno-2-6" name = "__codelineno-2-6" href = "#__codelineno-2-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-2-7" name = "__codelineno-2-7" href = "#__codelineno-2-7" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "nf" > GraphAdjMat< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "o" > []< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "o" > [][]< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-8" name = "__codelineno-2-8" href = "#__codelineno-2-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "na" > vertices< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > ArrayList< / span > < span class = "o" > < > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-2-9" name = "__codelineno-2-9" href = "#__codelineno-2-9" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "na" > adjMat< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > ArrayList< / span > < span class = "o" > < > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-2-10" name = "__codelineno-2-10" href = "#__codelineno-2-10" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加顶点< / span >
< a id = "__codelineno-2-11" name = "__codelineno-2-11" href = "#__codelineno-2-11" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "w" > < / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-12" name = "__codelineno-2-12" href = "#__codelineno-2-12" > < / a > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-13" name = "__codelineno-2-13" href = "#__codelineno-2-13" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-14" name = "__codelineno-2-14" href = "#__codelineno-2-14" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边< / span >
< a id = "__codelineno-2-15" name = "__codelineno-2-15" href = "#__codelineno-2-15" > < / a > < span class = "w" > < / span > < span class = "c1" > // 请注意， < / span >
< a id = "__codelineno-2-16" name = "__codelineno-2-16" href = "#__codelineno-2-16" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "o" > []< / span > < span class = "w" > < / span > < span class = "n" > e< / span > < span class = "w" > < / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-17" name = "__codelineno-2-17" href = "#__codelineno-2-17" > < / a > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > e< / span > < span class = "o" > [< / span > < span class = "mi" > 0< / span > < span class = "o" > ]< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > e< / span > < span class = "o" > [< / span > < span class = "mi" > 1< / span > < span class = "o" > ]< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-18" name = "__codelineno-2-18" href = "#__codelineno-2-18" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-19" name = "__codelineno-2-19" href = "#__codelineno-2-19" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-20" name = "__codelineno-2-20" href = "#__codelineno-2-20" > < / a >
< a id = "__codelineno-2-21" name = "__codelineno-2-21" href = "#__codelineno-2-21" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-2-22" name = "__codelineno-2-22" href = "#__codelineno-2-22" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "nf" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-23" name = "__codelineno-2-23" href = "#__codelineno-2-23" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "na" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-2-24" name = "__codelineno-2-24" href = "#__codelineno-2-24" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-25" name = "__codelineno-2-25" href = "#__codelineno-2-25" > < / a >
< a id = "__codelineno-2-26" name = "__codelineno-2-26" href = "#__codelineno-2-26" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-2-27" name = "__codelineno-2-27" href = "#__codelineno-2-27" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > addVertex< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-28" name = "__codelineno-2-28" href = "#__codelineno-2-28" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-2-29" name = "__codelineno-2-29" href = "#__codelineno-2-29" > < / a > < span class = "w" > < / span > < span class = "c1" > // 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-2-30" name = "__codelineno-2-30" href = "#__codelineno-2-30" > < / a > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-31" name = "__codelineno-2-31" href = "#__codelineno-2-31" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一行< / span >
< a id = "__codelineno-2-32" name = "__codelineno-2-32" href = "#__codelineno-2-32" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Integer< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > newRow< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > ArrayList< / span > < span class = "o" > < > < / span > < span class = "p" > (< / span > < span class = "n" > n< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-33" name = "__codelineno-2-33" href = "#__codelineno-2-33" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-34" name = "__codelineno-2-34" href = "#__codelineno-2-34" > < / a > < span class = "w" > < / span > < span class = "n" > newRow< / span > < span class = "p" > .< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-35" name = "__codelineno-2-35" href = "#__codelineno-2-35" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-36" name = "__codelineno-2-36" href = "#__codelineno-2-36" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "n" > newRow< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-37" name = "__codelineno-2-37" href = "#__codelineno-2-37" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-2-38" name = "__codelineno-2-38" href = "#__codelineno-2-38" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Integer< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-39" name = "__codelineno-2-39" href = "#__codelineno-2-39" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-40" name = "__codelineno-2-40" href = "#__codelineno-2-40" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-41" name = "__codelineno-2-41" href = "#__codelineno-2-41" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-42" name = "__codelineno-2-42" href = "#__codelineno-2-42" > < / a >
< a id = "__codelineno-2-43" name = "__codelineno-2-43" href = "#__codelineno-2-43" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-2-44" name = "__codelineno-2-44" href = "#__codelineno-2-44" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > removeVertex< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-45" name = "__codelineno-2-45" href = "#__codelineno-2-45" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ())< / span >
< a id = "__codelineno-2-46" name = "__codelineno-2-46" href = "#__codelineno-2-46" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > IndexOutOfBoundsException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-2-47" name = "__codelineno-2-47" href = "#__codelineno-2-47" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-2-48" name = "__codelineno-2-48" href = "#__codelineno-2-48" > < / a > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "na" > remove< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-49" name = "__codelineno-2-49" href = "#__codelineno-2-49" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-2-50" name = "__codelineno-2-50" href = "#__codelineno-2-50" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "na" > remove< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-51" name = "__codelineno-2-51" href = "#__codelineno-2-51" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-2-52" name = "__codelineno-2-52" href = "#__codelineno-2-52" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Integer< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-53" name = "__codelineno-2-53" href = "#__codelineno-2-53" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "na" > remove< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-54" name = "__codelineno-2-54" href = "#__codelineno-2-54" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-55" name = "__codelineno-2-55" href = "#__codelineno-2-55" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-56" name = "__codelineno-2-56" href = "#__codelineno-2-56" > < / a >
< a id = "__codelineno-2-57" name = "__codelineno-2-57" href = "#__codelineno-2-57" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-2-58" name = "__codelineno-2-58" href = "#__codelineno-2-58" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-2-59" name = "__codelineno-2-59" href = "#__codelineno-2-59" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > addEdge< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-60" name = "__codelineno-2-60" href = "#__codelineno-2-60" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-2-61" name = "__codelineno-2-61" href = "#__codelineno-2-61" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span >
< a id = "__codelineno-2-62" name = "__codelineno-2-62" href = "#__codelineno-2-62" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > IndexOutOfBoundsException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-2-63" name = "__codelineno-2-63" href = "#__codelineno-2-63" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) == (j, i)< / span >
< a id = "__codelineno-2-64" name = "__codelineno-2-64" href = "#__codelineno-2-64" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "p" > ).< / span > < span class = "na" > set< / span > < span class = "p" > (< / span > < span class = "n" > j< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-65" name = "__codelineno-2-65" href = "#__codelineno-2-65" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "n" > j< / span > < span class = "p" > ).< / span > < span class = "na" > set< / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-66" name = "__codelineno-2-66" href = "#__codelineno-2-66" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-67" name = "__codelineno-2-67" href = "#__codelineno-2-67" > < / a >
< a id = "__codelineno-2-68" name = "__codelineno-2-68" href = "#__codelineno-2-68" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-2-69" name = "__codelineno-2-69" href = "#__codelineno-2-69" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-2-70" name = "__codelineno-2-70" href = "#__codelineno-2-70" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > removeEdge< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-71" name = "__codelineno-2-71" href = "#__codelineno-2-71" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-2-72" name = "__codelineno-2-72" href = "#__codelineno-2-72" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span >
< a id = "__codelineno-2-73" name = "__codelineno-2-73" href = "#__codelineno-2-73" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > IndexOutOfBoundsException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-2-74" name = "__codelineno-2-74" href = "#__codelineno-2-74" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "p" > ).< / span > < span class = "na" > set< / span > < span class = "p" > (< / span > < span class = "n" > j< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-75" name = "__codelineno-2-75" href = "#__codelineno-2-75" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "n" > j< / span > < span class = "p" > ).< / span > < span class = "na" > set< / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-76" name = "__codelineno-2-76" href = "#__codelineno-2-76" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-77" name = "__codelineno-2-77" href = "#__codelineno-2-77" > < / a >
< a id = "__codelineno-2-78" name = "__codelineno-2-78" href = "#__codelineno-2-78" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接矩阵 */< / span >
< a id = "__codelineno-2-79" name = "__codelineno-2-79" href = "#__codelineno-2-79" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-2-80" name = "__codelineno-2-80" href = "#__codelineno-2-80" > < / a > < span class = "w" > < / span > < span class = "n" > System< / span > < span class = "p" > .< / span > < span class = "na" > out< / span > < span class = "p" > .< / span > < span class = "na" > print< / span > < span class = "p" > (< / span > < span class = "s" > " 顶点列表 = " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-81" name = "__codelineno-2-81" href = "#__codelineno-2-81" > < / a > < span class = "w" > < / span > < span class = "n" > System< / span > < span class = "p" > .< / span > < span class = "na" > out< / span > < span class = "p" > .< / span > < span class = "na" > println< / span > < span class = "p" > (< / span > < span class = "n" > vertices< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-82" name = "__codelineno-2-82" href = "#__codelineno-2-82" > < / a > < span class = "w" > < / span > < span class = "n" > System< / span > < span class = "p" > .< / span > < span class = "na" > out< / span > < span class = "p" > .< / span > < span class = "na" > println< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接矩阵 =" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-83" name = "__codelineno-2-83" href = "#__codelineno-2-83" > < / a > < span class = "w" > < / span > < span class = "n" > PrintUtil< / span > < span class = "p" > .< / span > < span class = "na" > printMatrix< / span > < span class = "p" > (< / span > < span class = "n" > adjMat< / span > < span class = "p" > );< / span >
< a id = "__codelineno-2-84" name = "__codelineno-2-84" href = "#__codelineno-2-84" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-2-85" name = "__codelineno-2-85" href = "#__codelineno-2-85" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.cs< / span > < pre > < span > < / span > < code > < a id = "__codelineno-3-1" name = "__codelineno-3-1" href = "#__codelineno-3-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图类 */< / span >
< a id = "__codelineno-3-2" name = "__codelineno-3-2" href = "#__codelineno-3-2" > < / a > < span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-3" name = "__codelineno-3-3" href = "#__codelineno-3-3" > < / a > < span class = "w" > < / span > < span class = "k" > readonly< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 顶点列表，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-3-4" name = "__codelineno-3-4" href = "#__codelineno-3-4" > < / a > < span class = "w" > < / span > < span class = "k" > readonly< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 邻接矩阵，行列索引对应“顶点索引”< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-5" name = "__codelineno-3-5" href = "#__codelineno-3-5" > < / a >
< a id = "__codelineno-3-6" name = "__codelineno-3-6" href = "#__codelineno-3-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造函数 */< / span >
< a id = "__codelineno-3-7" name = "__codelineno-3-7" href = "#__codelineno-3-7" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nf" > GraphAdjMat< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "p" > []< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "p" > [][]< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-3-8" name = "__codelineno-3-8" href = "#__codelineno-3-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "n" > vertices< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-3-9" name = "__codelineno-3-9" href = "#__codelineno-3-9" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "n" > adjMat< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-3-10" name = "__codelineno-3-10" href = "#__codelineno-3-10" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加顶点< / span >
< a id = "__codelineno-3-11" name = "__codelineno-3-11" href = "#__codelineno-3-11" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-12" name = "__codelineno-3-12" href = "#__codelineno-3-12" > < / a > < span class = "w" > < / span > < span class = "n" > AddVertex< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-13" name = "__codelineno-3-13" href = "#__codelineno-3-13" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-14" name = "__codelineno-3-14" href = "#__codelineno-3-14" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边< / span >
< a id = "__codelineno-3-15" name = "__codelineno-3-15" href = "#__codelineno-3-15" > < / a > < span class = "w" > < / span > < span class = "c1" > // 请注意， < / span >
< a id = "__codelineno-3-16" name = "__codelineno-3-16" href = "#__codelineno-3-16" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "p" > []< / span > < span class = "w" > < / span > < span class = "n" > e< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-17" name = "__codelineno-3-17" href = "#__codelineno-3-17" > < / a > < span class = "w" > < / span > < span class = "n" > AddEdge< / span > < span class = "p" > (< / span > < span class = "n" > e< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > e< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ]);< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-18" name = "__codelineno-3-18" href = "#__codelineno-3-18" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-19" name = "__codelineno-3-19" href = "#__codelineno-3-19" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-20" name = "__codelineno-3-20" href = "#__codelineno-3-20" > < / a >
< a id = "__codelineno-3-21" name = "__codelineno-3-21" href = "#__codelineno-3-21" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-22" name = "__codelineno-3-22" href = "#__codelineno-3-22" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "nf" > Size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-23" name = "__codelineno-3-23" href = "#__codelineno-3-23" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > Count< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-3-24" name = "__codelineno-3-24" href = "#__codelineno-3-24" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-25" name = "__codelineno-3-25" href = "#__codelineno-3-25" > < / a >
< a id = "__codelineno-3-26" name = "__codelineno-3-26" href = "#__codelineno-3-26" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-27" name = "__codelineno-3-27" href = "#__codelineno-3-27" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > AddVertex< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-3-28" name = "__codelineno-3-28" href = "#__codelineno-3-28" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > Size< / span > < span class = "p" > ();< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-29" name = "__codelineno-3-29" href = "#__codelineno-3-29" > < / a > < span class = "w" > < / span > < span class = "c1" > // 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-3-30" name = "__codelineno-3-30" href = "#__codelineno-3-30" > < / a > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-31" name = "__codelineno-3-31" href = "#__codelineno-3-31" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一行< / span >
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< a id = "__codelineno-3-32" name = "__codelineno-3-32" href = "#__codelineno-3-32" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > newRow< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "p" > (< / span > < span class = "n" > n< / span > < span class = "p" > );< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-33" name = "__codelineno-3-33" href = "#__codelineno-3-33" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-3-34" name = "__codelineno-3-34" href = "#__codelineno-3-34" > < / a > < span class = "w" > < / span > < span class = "n" > newRow< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "m" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-35" name = "__codelineno-3-35" href = "#__codelineno-3-35" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-36" name = "__codelineno-3-36" href = "#__codelineno-3-36" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "n" > newRow< / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-37" name = "__codelineno-3-37" href = "#__codelineno-3-37" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-3-38" name = "__codelineno-3-38" href = "#__codelineno-3-38" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-3-39" name = "__codelineno-3-39" href = "#__codelineno-3-39" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "m" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-40" name = "__codelineno-3-40" href = "#__codelineno-3-40" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-41" name = "__codelineno-3-41" href = "#__codelineno-3-41" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-42" name = "__codelineno-3-42" href = "#__codelineno-3-42" > < / a >
< a id = "__codelineno-3-43" name = "__codelineno-3-43" href = "#__codelineno-3-43" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-44" name = "__codelineno-3-44" href = "#__codelineno-3-44" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > RemoveVertex< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-3-45" name = "__codelineno-3-45" href = "#__codelineno-3-45" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > Size< / span > < span class = "p" > ())< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-46" name = "__codelineno-3-46" href = "#__codelineno-3-46" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "nf" > IndexOutOfRangeException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-3-47" name = "__codelineno-3-47" href = "#__codelineno-3-47" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-3-48" name = "__codelineno-3-48" href = "#__codelineno-3-48" > < / a > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > RemoveAt< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-49" name = "__codelineno-3-49" href = "#__codelineno-3-49" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-3-50" name = "__codelineno-3-50" href = "#__codelineno-3-50" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "n" > RemoveAt< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-51" name = "__codelineno-3-51" href = "#__codelineno-3-51" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-3-52" name = "__codelineno-3-52" href = "#__codelineno-3-52" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-3-53" name = "__codelineno-3-53" href = "#__codelineno-3-53" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "n" > RemoveAt< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-54" name = "__codelineno-3-54" href = "#__codelineno-3-54" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-55" name = "__codelineno-3-55" href = "#__codelineno-3-55" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-56" name = "__codelineno-3-56" href = "#__codelineno-3-56" > < / a >
< a id = "__codelineno-3-57" name = "__codelineno-3-57" href = "#__codelineno-3-57" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-3-58" name = "__codelineno-3-58" href = "#__codelineno-3-58" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-59" name = "__codelineno-3-59" href = "#__codelineno-3-59" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > AddEdge< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-60" name = "__codelineno-3-60" href = "#__codelineno-3-60" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-61" name = "__codelineno-3-61" href = "#__codelineno-3-61" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > Size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > Size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-62" name = "__codelineno-3-62" href = "#__codelineno-3-62" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "nf" > IndexOutOfRangeException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-3-63" name = "__codelineno-3-63" href = "#__codelineno-3-63" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) == (j, i)< / span >
< a id = "__codelineno-3-64" name = "__codelineno-3-64" href = "#__codelineno-3-64" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "m" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-3-65" name = "__codelineno-3-65" href = "#__codelineno-3-65" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "m" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-3-66" name = "__codelineno-3-66" href = "#__codelineno-3-66" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-67" name = "__codelineno-3-67" href = "#__codelineno-3-67" > < / a >
< a id = "__codelineno-3-68" name = "__codelineno-3-68" href = "#__codelineno-3-68" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-3-69" name = "__codelineno-3-69" href = "#__codelineno-3-69" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-70" name = "__codelineno-3-70" href = "#__codelineno-3-70" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > RemoveEdge< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-71" name = "__codelineno-3-71" href = "#__codelineno-3-71" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-72" name = "__codelineno-3-72" href = "#__codelineno-3-72" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > Size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > Size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-73" name = "__codelineno-3-73" href = "#__codelineno-3-73" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "nf" > IndexOutOfRangeException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-3-74" name = "__codelineno-3-74" href = "#__codelineno-3-74" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-3-75" name = "__codelineno-3-75" href = "#__codelineno-3-75" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-3-76" name = "__codelineno-3-76" href = "#__codelineno-3-76" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-77" name = "__codelineno-3-77" href = "#__codelineno-3-77" > < / a >
< a id = "__codelineno-3-78" name = "__codelineno-3-78" href = "#__codelineno-3-78" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接矩阵 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-3-79" name = "__codelineno-3-79" href = "#__codelineno-3-79" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > Print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-3-80" name = "__codelineno-3-80" href = "#__codelineno-3-80" > < / a > < span class = "w" > < / span > < span class = "n" > Console< / span > < span class = "p" > .< / span > < span class = "n" > Write< / span > < span class = "p" > (< / span > < span class = "s" > " 顶点列表 = " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-81" name = "__codelineno-3-81" href = "#__codelineno-3-81" > < / a > < span class = "w" > < / span > < span class = "n" > PrintUtil< / span > < span class = "p" > .< / span > < span class = "n" > PrintList< / span > < span class = "p" > (< / span > < span class = "n" > vertices< / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-82" name = "__codelineno-3-82" href = "#__codelineno-3-82" > < / a > < span class = "w" > < / span > < span class = "n" > Console< / span > < span class = "p" > .< / span > < span class = "n" > WriteLine< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接矩阵 =" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-83" name = "__codelineno-3-83" href = "#__codelineno-3-83" > < / a > < span class = "w" > < / span > < span class = "n" > PrintUtil< / span > < span class = "p" > .< / span > < span class = "n" > PrintMatrix< / span > < span class = "p" > (< / span > < span class = "n" > adjMat< / span > < span class = "p" > );< / span >
< a id = "__codelineno-3-84" name = "__codelineno-3-84" href = "#__codelineno-3-84" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-3-85" name = "__codelineno-3-85" href = "#__codelineno-3-85" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.go< / span > < pre > < span > < / span > < code > < a id = "__codelineno-4-1" name = "__codelineno-4-1" href = "#__codelineno-4-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图类 */< / span >
< a id = "__codelineno-4-2" name = "__codelineno-4-2" href = "#__codelineno-4-2" > < / a > < span class = "kd" > type< / span > < span class = "w" > < / span > < span class = "nx" > graphAdjMat< / span > < span class = "w" > < / span > < span class = "kd" > struct< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-3" name = "__codelineno-4-3" href = "#__codelineno-4-3" > < / a > < span class = "w" > < / span > < span class = "c1" > // 顶点列表，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-4-4" name = "__codelineno-4-4" href = "#__codelineno-4-4" > < / a > < span class = "w" > < / span > < span class = "nx" > vertices< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kt" > int< / span >
< a id = "__codelineno-4-5" name = "__codelineno-4-5" href = "#__codelineno-4-5" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接矩阵，行列索引对应“顶点索引”< / span >
< a id = "__codelineno-4-6" name = "__codelineno-4-6" href = "#__codelineno-4-6" > < / a > < span class = "w" > < / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "p" > [][]< / span > < span class = "kt" > int< / span >
< a id = "__codelineno-4-7" name = "__codelineno-4-7" href = "#__codelineno-4-7" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-4-8" name = "__codelineno-4-8" href = "#__codelineno-4-8" > < / a >
< a id = "__codelineno-4-9" name = "__codelineno-4-9" href = "#__codelineno-4-9" > < / a > < span class = "cm" > /* 构造函数 */< / span >
< a id = "__codelineno-4-10" name = "__codelineno-4-10" href = "#__codelineno-4-10" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "nx" > newGraphAdjMat< / span > < span class = "p" > (< / span > < span class = "nx" > vertices< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kt" > int< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "w" > < / span > < span class = "p" > [][]< / span > < span class = "kt" > int< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-11" name = "__codelineno-4-11" href = "#__codelineno-4-11" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加顶点< / span >
< a id = "__codelineno-4-12" name = "__codelineno-4-12" href = "#__codelineno-4-12" > < / a > < span class = "w" > < / span > < span class = "nx" > n< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "nx" > vertices< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-13" name = "__codelineno-4-13" href = "#__codelineno-4-13" > < / a > < span class = "w" > < / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nb" > make< / span > < span class = "p" > ([][]< / span > < span class = "kt" > int< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > n< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-14" name = "__codelineno-4-14" href = "#__codelineno-4-14" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "k" > range< / span > < span class = "w" > < / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-15" name = "__codelineno-4-15" href = "#__codelineno-4-15" > < / a > < span class = "w" > < / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > make< / span > < span class = "p" > ([]< / span > < span class = "kt" > int< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > n< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-16" name = "__codelineno-4-16" href = "#__codelineno-4-16" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-4-17" name = "__codelineno-4-17" href = "#__codelineno-4-17" > < / a > < span class = "w" > < / span > < span class = "c1" > // 初始化图< / span >
< a id = "__codelineno-4-18" name = "__codelineno-4-18" href = "#__codelineno-4-18" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "nx" > graphAdjMat< / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-19" name = "__codelineno-4-19" href = "#__codelineno-4-19" > < / a > < span class = "w" > < / span > < span class = "nx" > vertices< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "nx" > vertices< / span > < span class = "p" > ,< / span >
< a id = "__codelineno-4-20" name = "__codelineno-4-20" href = "#__codelineno-4-20" > < / a > < span class = "w" > < / span > < span class = "nx" > adjMat< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "nx" > adjMat< / span > < span class = "p" > ,< / span >
< a id = "__codelineno-4-21" name = "__codelineno-4-21" href = "#__codelineno-4-21" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-4-22" name = "__codelineno-4-22" href = "#__codelineno-4-22" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边< / span >
< a id = "__codelineno-4-23" name = "__codelineno-4-23" href = "#__codelineno-4-23" > < / a > < span class = "w" > < / span > < span class = "c1" > // 请注意， < / span >
< a id = "__codelineno-4-24" name = "__codelineno-4-24" href = "#__codelineno-4-24" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "k" > range< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-25" name = "__codelineno-4-25" href = "#__codelineno-4-25" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > edges< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-4-26" name = "__codelineno-4-26" href = "#__codelineno-4-26" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-4-27" name = "__codelineno-4-27" href = "#__codelineno-4-27" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > g< / span >
< a id = "__codelineno-4-28" name = "__codelineno-4-28" href = "#__codelineno-4-28" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-4-29" name = "__codelineno-4-29" href = "#__codelineno-4-29" > < / a >
< a id = "__codelineno-4-30" name = "__codelineno-4-30" href = "#__codelineno-4-30" > < / a > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-4-31" name = "__codelineno-4-31" href = "#__codelineno-4-31" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-32" name = "__codelineno-4-32" href = "#__codelineno-4-32" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-33" name = "__codelineno-4-33" href = "#__codelineno-4-33" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-4-34" name = "__codelineno-4-34" href = "#__codelineno-4-34" > < / a >
< a id = "__codelineno-4-35" name = "__codelineno-4-35" href = "#__codelineno-4-35" > < / a > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-4-36" name = "__codelineno-4-36" href = "#__codelineno-4-36" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > val< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-37" name = "__codelineno-4-37" href = "#__codelineno-4-37" > < / a > < span class = "w" > < / span > < span class = "nx" > n< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-4-38" name = "__codelineno-4-38" href = "#__codelineno-4-38" > < / a > < span class = "w" > < / span > < span class = "c1" > // 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-4-39" name = "__codelineno-4-39" href = "#__codelineno-4-39" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > append< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-40" name = "__codelineno-4-40" href = "#__codelineno-4-40" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一行< / span >
< a id = "__codelineno-4-41" name = "__codelineno-4-41" href = "#__codelineno-4-41" > < / a > < span class = "w" > < / span > < span class = "nx" > newRow< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nb" > make< / span > < span class = "p" > ([]< / span > < span class = "kt" > int< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > n< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-42" name = "__codelineno-4-42" href = "#__codelineno-4-42" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > append< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > newRow< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-43" name = "__codelineno-4-43" href = "#__codelineno-4-43" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-4-44" name = "__codelineno-4-44" href = "#__codelineno-4-44" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "k" > range< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-45" name = "__codelineno-4-45" href = "#__codelineno-4-45" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > append< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-46" name = "__codelineno-4-46" href = "#__codelineno-4-46" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-4-47" name = "__codelineno-4-47" href = "#__codelineno-4-47" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-4-48" name = "__codelineno-4-48" href = "#__codelineno-4-48" > < / a >
< a id = "__codelineno-4-49" name = "__codelineno-4-49" href = "#__codelineno-4-49" > < / a > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-4-50" name = "__codelineno-4-50" href = "#__codelineno-4-50" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > removeVertex< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-51" name = "__codelineno-4-51" href = "#__codelineno-4-51" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-52" name = "__codelineno-4-52" href = "#__codelineno-4-52" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span >
< a id = "__codelineno-4-53" name = "__codelineno-4-53" href = "#__codelineno-4-53" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-4-54" name = "__codelineno-4-54" href = "#__codelineno-4-54" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-4-55" name = "__codelineno-4-55" href = "#__codelineno-4-55" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > append< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > [:< / span > < span class = "nx" > index< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "o" > +< / span > < span class = "mi" > 1< / span > < span class = "p" > :]< / span > < span class = "o" > ...< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-56" name = "__codelineno-4-56" href = "#__codelineno-4-56" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-4-57" name = "__codelineno-4-57" href = "#__codelineno-4-57" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > append< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [:< / span > < span class = "nx" > index< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "o" > +< / span > < span class = "mi" > 1< / span > < span class = "p" > :]< / span > < span class = "o" > ...< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-58" name = "__codelineno-4-58" href = "#__codelineno-4-58" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-4-59" name = "__codelineno-4-59" href = "#__codelineno-4-59" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "k" > range< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-60" name = "__codelineno-4-60" href = "#__codelineno-4-60" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > append< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][:< / span > < span class = "nx" > index< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][< / span > < span class = "nx" > index< / span > < span class = "o" > +< / span > < span class = "mi" > 1< / span > < span class = "p" > :]< / span > < span class = "o" > ...< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-61" name = "__codelineno-4-61" href = "#__codelineno-4-61" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-4-62" name = "__codelineno-4-62" href = "#__codelineno-4-62" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-4-63" name = "__codelineno-4-63" href = "#__codelineno-4-63" > < / a >
< a id = "__codelineno-4-64" name = "__codelineno-4-64" href = "#__codelineno-4-64" > < / a > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-4-65" name = "__codelineno-4-65" href = "#__codelineno-4-65" > < / a > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-4-66" name = "__codelineno-4-66" href = "#__codelineno-4-66" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-67" name = "__codelineno-4-67" href = "#__codelineno-4-67" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-4-68" name = "__codelineno-4-68" href = "#__codelineno-4-68" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "p" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "p" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-69" name = "__codelineno-4-69" href = "#__codelineno-4-69" > < / a > < span class = "w" > < / span > < span class = "nx" > fmt< / span > < span class = "p" > .< / span > < span class = "nx" > Errorf< / span > < span class = "p" > (< / span > < span class = "s" > " %s" < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " Index Out Of Bounds Exception" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-70" name = "__codelineno-4-70" href = "#__codelineno-4-70" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-4-71" name = "__codelineno-4-71" href = "#__codelineno-4-71" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) == (j, i)< / span >
< a id = "__codelineno-4-72" name = "__codelineno-4-72" href = "#__codelineno-4-72" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][< / span > < span class = "nx" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span >
< a id = "__codelineno-4-73" name = "__codelineno-4-73" href = "#__codelineno-4-73" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > j< / span > < span class = "p" > ][< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span >
< a id = "__codelineno-4-74" name = "__codelineno-4-74" href = "#__codelineno-4-74" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-4-75" name = "__codelineno-4-75" href = "#__codelineno-4-75" > < / a >
< a id = "__codelineno-4-76" name = "__codelineno-4-76" href = "#__codelineno-4-76" > < / a > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-4-77" name = "__codelineno-4-77" href = "#__codelineno-4-77" > < / a > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-4-78" name = "__codelineno-4-78" href = "#__codelineno-4-78" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > removeEdge< / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-79" name = "__codelineno-4-79" href = "#__codelineno-4-79" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-4-80" name = "__codelineno-4-80" href = "#__codelineno-4-80" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "p" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "p" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-81" name = "__codelineno-4-81" href = "#__codelineno-4-81" > < / a > < span class = "w" > < / span > < span class = "nx" > fmt< / span > < span class = "p" > .< / span > < span class = "nx" > Errorf< / span > < span class = "p" > (< / span > < span class = "s" > " %s" < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " Index Out Of Bounds Exception" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-82" name = "__codelineno-4-82" href = "#__codelineno-4-82" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-4-83" name = "__codelineno-4-83" href = "#__codelineno-4-83" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][< / span > < span class = "nx" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span >
< a id = "__codelineno-4-84" name = "__codelineno-4-84" href = "#__codelineno-4-84" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > j< / span > < span class = "p" > ][< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span >
< a id = "__codelineno-4-85" name = "__codelineno-4-85" href = "#__codelineno-4-85" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-4-86" name = "__codelineno-4-86" href = "#__codelineno-4-86" > < / a >
< a id = "__codelineno-4-87" name = "__codelineno-4-87" href = "#__codelineno-4-87" > < / a > < span class = "cm" > /* 打印邻接矩阵 */< / span >
< a id = "__codelineno-4-88" name = "__codelineno-4-88" href = "#__codelineno-4-88" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nb" > print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-89" name = "__codelineno-4-89" href = "#__codelineno-4-89" > < / a > < span class = "w" > < / span > < span class = "nx" > fmt< / span > < span class = "p" > .< / span > < span class = "nx" > Printf< / span > < span class = "p" > (< / span > < span class = "s" > " \t顶点列表 = %v\n" < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-90" name = "__codelineno-4-90" href = "#__codelineno-4-90" > < / a > < span class = "w" > < / span > < span class = "nx" > fmt< / span > < span class = "p" > .< / span > < span class = "nx" > Printf< / span > < span class = "p" > (< / span > < span class = "s" > " \t邻接矩阵 = \n" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-4-91" name = "__codelineno-4-91" href = "#__codelineno-4-91" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "k" > range< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-4-92" name = "__codelineno-4-92" href = "#__codelineno-4-92" > < / a > < span class = "w" > < / span > < span class = "nx" > fmt< / span > < span class = "p" > .< / span > < span class = "nx" > Printf< / span > < span class = "p" > (< / span > < span class = "s" > " \t\t\t%v\n" < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-4-93" name = "__codelineno-4-93" href = "#__codelineno-4-93" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-4-94" name = "__codelineno-4-94" href = "#__codelineno-4-94" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.swift< / span > < pre > < span > < / span > < code > < a id = "__codelineno-5-1" name = "__codelineno-5-1" href = "#__codelineno-5-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图类 */< / span >
< a id = "__codelineno-5-2" name = "__codelineno-5-2" href = "#__codelineno-5-2" > < / a > < span class = "kd" > class< / span > < span class = "nc" > GraphAdjMat< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-3" name = "__codelineno-5-3" href = "#__codelineno-5-3" > < / a > < span class = "kd" > private< / span > < span class = "kd" > var< / span > < span class = "nv" > vertices< / span > < span class = "p" > :< / span > < span class = "p" > [< / span > < span class = "nb" > Int< / span > < span class = "p" > ]< / span > < span class = "c1" > // 顶点列表，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-5-4" name = "__codelineno-5-4" href = "#__codelineno-5-4" > < / a > < span class = "kd" > private< / span > < span class = "kd" > var< / span > < span class = "nv" > adjMat< / span > < span class = "p" > :< / span > < span class = "p" > [[< / span > < span class = "nb" > Int< / span > < span class = "p" > ]]< / span > < span class = "c1" > // 邻接矩阵，行列索引对应“顶点索引”< / span >
< a id = "__codelineno-5-5" name = "__codelineno-5-5" href = "#__codelineno-5-5" > < / a >
< a id = "__codelineno-5-6" name = "__codelineno-5-6" href = "#__codelineno-5-6" > < / a > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-5-7" name = "__codelineno-5-7" href = "#__codelineno-5-7" > < / a > < span class = "kd" > init< / span > < span class = "p" > (< / span > < span class = "n" > vertices< / span > < span class = "p" > :< / span > < span class = "p" > [< / span > < span class = "nb" > Int< / span > < span class = "p" > ],< / span > < span class = "n" > edges< / span > < span class = "p" > :< / span > < span class = "p" > [[< / span > < span class = "nb" > Int< / span > < span class = "p" > ]])< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-8" name = "__codelineno-5-8" href = "#__codelineno-5-8" > < / a > < span class = "kc" > self< / span > < span class = "p" > .< / span > < span class = "n" > vertices< / span > < span class = "p" > =< / span > < span class = "p" > []< / span >
< a id = "__codelineno-5-9" name = "__codelineno-5-9" href = "#__codelineno-5-9" > < / a > < span class = "n" > adjMat< / span > < span class = "p" > =< / span > < span class = "p" > []< / span >
< a id = "__codelineno-5-10" name = "__codelineno-5-10" href = "#__codelineno-5-10" > < / a > < span class = "c1" > // 添加顶点< / span >
< a id = "__codelineno-5-11" name = "__codelineno-5-11" href = "#__codelineno-5-11" > < / a > < span class = "k" > for< / span > < span class = "n" > val< / span > < span class = "k" > in< / span > < span class = "n" > vertices< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-12" name = "__codelineno-5-12" href = "#__codelineno-5-12" > < / a > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > :< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-13" name = "__codelineno-5-13" href = "#__codelineno-5-13" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-14" name = "__codelineno-5-14" href = "#__codelineno-5-14" > < / a > < span class = "c1" > // 添加边< / span >
< a id = "__codelineno-5-15" name = "__codelineno-5-15" href = "#__codelineno-5-15" > < / a > < span class = "c1" > // 请注意， < / span >
< a id = "__codelineno-5-16" name = "__codelineno-5-16" href = "#__codelineno-5-16" > < / a > < span class = "k" > for< / span > < span class = "n" > e< / span > < span class = "k" > in< / span > < span class = "n" > edges< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-17" name = "__codelineno-5-17" href = "#__codelineno-5-17" > < / a > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "p" > :< / span > < span class = "n" > e< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "n" > j< / span > < span class = "p" > :< / span > < span class = "n" > e< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-5-18" name = "__codelineno-5-18" href = "#__codelineno-5-18" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-19" name = "__codelineno-5-19" href = "#__codelineno-5-19" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-20" name = "__codelineno-5-20" href = "#__codelineno-5-20" > < / a >
< a id = "__codelineno-5-21" name = "__codelineno-5-21" href = "#__codelineno-5-21" > < / a > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-5-22" name = "__codelineno-5-22" href = "#__codelineno-5-22" > < / a > < span class = "kd" > func< / span > < span class = "nf" > size< / span > < span class = "p" > ()< / span > < span class = "p" > -> < / span > < span class = "nb" > Int< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-23" name = "__codelineno-5-23" href = "#__codelineno-5-23" > < / a > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "bp" > count< / span >
< a id = "__codelineno-5-24" name = "__codelineno-5-24" href = "#__codelineno-5-24" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-25" name = "__codelineno-5-25" href = "#__codelineno-5-25" > < / a >
< a id = "__codelineno-5-26" name = "__codelineno-5-26" href = "#__codelineno-5-26" > < / a > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-5-27" name = "__codelineno-5-27" href = "#__codelineno-5-27" > < / a > < span class = "kd" > func< / span > < span class = "nf" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-28" name = "__codelineno-5-28" href = "#__codelineno-5-28" > < / a > < span class = "kd" > let< / span > < span class = "nv" > n< / span > < span class = "p" > =< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-5-29" name = "__codelineno-5-29" href = "#__codelineno-5-29" > < / a > < span class = "c1" > // 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-5-30" name = "__codelineno-5-30" href = "#__codelineno-5-30" > < / a > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-31" name = "__codelineno-5-31" href = "#__codelineno-5-31" > < / a > < span class = "c1" > // 在邻接矩阵中添加一行< / span >
< a id = "__codelineno-5-32" name = "__codelineno-5-32" href = "#__codelineno-5-32" > < / a > < span class = "kd" > let< / span > < span class = "nv" > newRow< / span > < span class = "p" > =< / span > < span class = "nb" > Array< / span > < span class = "p" > (< / span > < span class = "n" > repeating< / span > < span class = "p" > :< / span > < span class = "mi" > 0< / span > < span class = "p" > ,< / span > < span class = "bp" > count< / span > < span class = "p" > :< / span > < span class = "n" > n< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-33" name = "__codelineno-5-33" href = "#__codelineno-5-33" > < / a > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > newRow< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-34" name = "__codelineno-5-34" href = "#__codelineno-5-34" > < / a > < span class = "c1" > // 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-5-35" name = "__codelineno-5-35" href = "#__codelineno-5-35" > < / a > < span class = "k" > for< / span > < span class = "n" > i< / span > < span class = "k" > in< / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "bp" > indices< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-36" name = "__codelineno-5-36" href = "#__codelineno-5-36" > < / a > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ].< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-37" name = "__codelineno-5-37" href = "#__codelineno-5-37" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-38" name = "__codelineno-5-38" href = "#__codelineno-5-38" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-39" name = "__codelineno-5-39" href = "#__codelineno-5-39" > < / a >
< a id = "__codelineno-5-40" name = "__codelineno-5-40" href = "#__codelineno-5-40" > < / a > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-5-41" name = "__codelineno-5-41" href = "#__codelineno-5-41" > < / a > < span class = "kd" > func< / span > < span class = "nf" > removeVertex< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-42" name = "__codelineno-5-42" href = "#__codelineno-5-42" > < / a > < span class = "k" > if< / span > < span class = "n" > index< / span > < span class = "o" > > =< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-43" name = "__codelineno-5-43" href = "#__codelineno-5-43" > < / a > < span class = "bp" > fatalError< / span > < span class = "p" > (< / span > < span class = "s" > " 越界" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-44" name = "__codelineno-5-44" href = "#__codelineno-5-44" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-45" name = "__codelineno-5-45" href = "#__codelineno-5-45" > < / a > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-5-46" name = "__codelineno-5-46" href = "#__codelineno-5-46" > < / a > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > at< / span > < span class = "p" > :< / span > < span class = "n" > index< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-47" name = "__codelineno-5-47" href = "#__codelineno-5-47" > < / a > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-5-48" name = "__codelineno-5-48" href = "#__codelineno-5-48" > < / a > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > at< / span > < span class = "p" > :< / span > < span class = "n" > index< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-49" name = "__codelineno-5-49" href = "#__codelineno-5-49" > < / a > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-5-50" name = "__codelineno-5-50" href = "#__codelineno-5-50" > < / a > < span class = "k" > for< / span > < span class = "n" > i< / span > < span class = "k" > in< / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "bp" > indices< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-51" name = "__codelineno-5-51" href = "#__codelineno-5-51" > < / a > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ].< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > at< / span > < span class = "p" > :< / span > < span class = "n" > index< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-52" name = "__codelineno-5-52" href = "#__codelineno-5-52" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-53" name = "__codelineno-5-53" href = "#__codelineno-5-53" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-54" name = "__codelineno-5-54" href = "#__codelineno-5-54" > < / a >
< a id = "__codelineno-5-55" name = "__codelineno-5-55" href = "#__codelineno-5-55" > < / a > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-5-56" name = "__codelineno-5-56" href = "#__codelineno-5-56" > < / a > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-5-57" name = "__codelineno-5-57" href = "#__codelineno-5-57" > < / a > < span class = "kd" > func< / span > < span class = "nf" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > ,< / span > < span class = "n" > j< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-58" name = "__codelineno-5-58" href = "#__codelineno-5-58" > < / a > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-5-59" name = "__codelineno-5-59" href = "#__codelineno-5-59" > < / a > < span class = "k" > if< / span > < span class = "n" > i< / span > < span class = "o" > < < / span > < span class = "mi" > 0< / span > < span class = "o" > ||< / span > < span class = "n" > j< / span > < span class = "o" > < < / span > < span class = "mi" > 0< / span > < span class = "o" > ||< / span > < span class = "n" > i< / span > < span class = "o" > > =< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "o" > ||< / span > < span class = "n" > j< / span > < span class = "o" > > =< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "o" > ||< / span > < span class = "n" > i< / span > < span class = "p" > ==< / span > < span class = "n" > j< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-60" name = "__codelineno-5-60" href = "#__codelineno-5-60" > < / a > < span class = "bp" > fatalError< / span > < span class = "p" > (< / span > < span class = "s" > " 越界" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-61" name = "__codelineno-5-61" href = "#__codelineno-5-61" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-62" name = "__codelineno-5-62" href = "#__codelineno-5-62" > < / a > < span class = "c1" > // 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) == (j, i)< / span >
< a id = "__codelineno-5-63" name = "__codelineno-5-63" href = "#__codelineno-5-63" > < / a > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "mi" > 1< / span >
< a id = "__codelineno-5-64" name = "__codelineno-5-64" href = "#__codelineno-5-64" > < / a > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "mi" > 1< / span >
< a id = "__codelineno-5-65" name = "__codelineno-5-65" href = "#__codelineno-5-65" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-66" name = "__codelineno-5-66" href = "#__codelineno-5-66" > < / a >
< a id = "__codelineno-5-67" name = "__codelineno-5-67" href = "#__codelineno-5-67" > < / a > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-5-68" name = "__codelineno-5-68" href = "#__codelineno-5-68" > < / a > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-5-69" name = "__codelineno-5-69" href = "#__codelineno-5-69" > < / a > < span class = "kd" > func< / span > < span class = "nf" > removeEdge< / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > ,< / span > < span class = "n" > j< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-70" name = "__codelineno-5-70" href = "#__codelineno-5-70" > < / a > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-5-71" name = "__codelineno-5-71" href = "#__codelineno-5-71" > < / a > < span class = "k" > if< / span > < span class = "n" > i< / span > < span class = "o" > < < / span > < span class = "mi" > 0< / span > < span class = "o" > ||< / span > < span class = "n" > j< / span > < span class = "o" > < < / span > < span class = "mi" > 0< / span > < span class = "o" > ||< / span > < span class = "n" > i< / span > < span class = "o" > > =< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "o" > ||< / span > < span class = "n" > j< / span > < span class = "o" > > =< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "o" > ||< / span > < span class = "n" > i< / span > < span class = "p" > ==< / span > < span class = "n" > j< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-72" name = "__codelineno-5-72" href = "#__codelineno-5-72" > < / a > < span class = "bp" > fatalError< / span > < span class = "p" > (< / span > < span class = "s" > " 越界" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-73" name = "__codelineno-5-73" href = "#__codelineno-5-73" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-74" name = "__codelineno-5-74" href = "#__codelineno-5-74" > < / a > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "mi" > 0< / span >
< a id = "__codelineno-5-75" name = "__codelineno-5-75" href = "#__codelineno-5-75" > < / a > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "mi" > 0< / span >
< a id = "__codelineno-5-76" name = "__codelineno-5-76" href = "#__codelineno-5-76" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-77" name = "__codelineno-5-77" href = "#__codelineno-5-77" > < / a >
< a id = "__codelineno-5-78" name = "__codelineno-5-78" href = "#__codelineno-5-78" > < / a > < span class = "cm" > /* 打印邻接矩阵 */< / span >
< a id = "__codelineno-5-79" name = "__codelineno-5-79" href = "#__codelineno-5-79" > < / a > < span class = "kd" > func< / span > < span class = "nf" > print< / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< a id = "__codelineno-5-80" name = "__codelineno-5-80" href = "#__codelineno-5-80" > < / a > < span class = "n" > Swift< / span > < span class = "p" > .< / span > < span class = "bp" > print< / span > < span class = "p" > (< / span > < span class = "s" > " 顶点列表 = " < / span > < span class = "p" > ,< / span > < span class = "n" > terminator< / span > < span class = "p" > :< / span > < span class = "s" > " " < / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-81" name = "__codelineno-5-81" href = "#__codelineno-5-81" > < / a > < span class = "n" > Swift< / span > < span class = "p" > .< / span > < span class = "bp" > print< / span > < span class = "p" > (< / span > < span class = "n" > vertices< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-82" name = "__codelineno-5-82" href = "#__codelineno-5-82" > < / a > < span class = "n" > Swift< / span > < span class = "p" > .< / span > < span class = "bp" > print< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接矩阵 =" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-83" name = "__codelineno-5-83" href = "#__codelineno-5-83" > < / a > < span class = "n" > PrintUtil< / span > < span class = "p" > .< / span > < span class = "n" > printMatrix< / span > < span class = "p" > (< / span > < span class = "n" > matrix< / span > < span class = "p" > :< / span > < span class = "n" > adjMat< / span > < span class = "p" > )< / span >
< a id = "__codelineno-5-84" name = "__codelineno-5-84" href = "#__codelineno-5-84" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-5-85" name = "__codelineno-5-85" href = "#__codelineno-5-85" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.js< / span > < pre > < span > < / span > < code > < a id = "__codelineno-6-1" name = "__codelineno-6-1" href = "#__codelineno-6-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图类 */< / span >
< a id = "__codelineno-6-2" name = "__codelineno-6-2" href = "#__codelineno-6-2" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nx" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-3" name = "__codelineno-6-3" href = "#__codelineno-6-3" > < / a > < span class = "w" > < / span > < span class = "nx" > vertices< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 顶点列表，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-6-4" name = "__codelineno-6-4" href = "#__codelineno-6-4" > < / a > < span class = "w" > < / span > < span class = "nx" > adjMat< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 邻接矩阵，行列索引对应“顶点索引”< / span >
< a id = "__codelineno-6-5" name = "__codelineno-6-5" href = "#__codelineno-6-5" > < / a >
< a id = "__codelineno-6-6" name = "__codelineno-6-6" href = "#__codelineno-6-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造函数 */< / span >
< a id = "__codelineno-6-7" name = "__codelineno-6-7" href = "#__codelineno-6-7" > < / a > < span class = "w" > < / span > < span class = "kr" > constructor< / span > < span class = "p" > (< / span > < span class = "nx" > vertices< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-8" name = "__codelineno-6-8" href = "#__codelineno-6-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-6-9" name = "__codelineno-6-9" href = "#__codelineno-6-9" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-6-10" name = "__codelineno-6-10" href = "#__codelineno-6-10" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加顶点< / span >
< a id = "__codelineno-6-11" name = "__codelineno-6-11" href = "#__codelineno-6-11" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > vertices< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-12" name = "__codelineno-6-12" href = "#__codelineno-6-12" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-13" name = "__codelineno-6-13" href = "#__codelineno-6-13" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-14" name = "__codelineno-6-14" href = "#__codelineno-6-14" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边< / span >
< a id = "__codelineno-6-15" name = "__codelineno-6-15" href = "#__codelineno-6-15" > < / a > < span class = "w" > < / span > < span class = "c1" > // 请注意， < / span >
< a id = "__codelineno-6-16" name = "__codelineno-6-16" href = "#__codelineno-6-16" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > e< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-17" name = "__codelineno-6-17" href = "#__codelineno-6-17" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > e< / span > < span class = "p" > [< / span > < span class = "mf" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > e< / span > < span class = "p" > [< / span > < span class = "mf" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-6-18" name = "__codelineno-6-18" href = "#__codelineno-6-18" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-19" name = "__codelineno-6-19" href = "#__codelineno-6-19" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-20" name = "__codelineno-6-20" href = "#__codelineno-6-20" > < / a >
< a id = "__codelineno-6-21" name = "__codelineno-6-21" href = "#__codelineno-6-21" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-6-22" name = "__codelineno-6-22" href = "#__codelineno-6-22" > < / a > < span class = "w" > < / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-23" name = "__codelineno-6-23" href = "#__codelineno-6-23" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > .< / span > < span class = "nx" > length< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-6-24" name = "__codelineno-6-24" href = "#__codelineno-6-24" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-25" name = "__codelineno-6-25" href = "#__codelineno-6-25" > < / a >
< a id = "__codelineno-6-26" name = "__codelineno-6-26" href = "#__codelineno-6-26" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-6-27" name = "__codelineno-6-27" href = "#__codelineno-6-27" > < / a > < span class = "w" > < / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-28" name = "__codelineno-6-28" href = "#__codelineno-6-28" > < / a > < span class = "w" > < / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > n< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-6-29" name = "__codelineno-6-29" href = "#__codelineno-6-29" > < / a > < span class = "w" > < / span > < span class = "c1" > // 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-6-30" name = "__codelineno-6-30" href = "#__codelineno-6-30" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-31" name = "__codelineno-6-31" href = "#__codelineno-6-31" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一行< / span >
< a id = "__codelineno-6-32" name = "__codelineno-6-32" href = "#__codelineno-6-32" > < / a > < span class = "w" > < / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > newRow< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-6-33" name = "__codelineno-6-33" href = "#__codelineno-6-33" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "nx" > n< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-34" name = "__codelineno-6-34" href = "#__codelineno-6-34" > < / a > < span class = "w" > < / span > < span class = "nx" > newRow< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "mf" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-35" name = "__codelineno-6-35" href = "#__codelineno-6-35" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-36" name = "__codelineno-6-36" href = "#__codelineno-6-36" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > newRow< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-37" name = "__codelineno-6-37" href = "#__codelineno-6-37" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-6-38" name = "__codelineno-6-38" href = "#__codelineno-6-38" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > row< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-39" name = "__codelineno-6-39" href = "#__codelineno-6-39" > < / a > < span class = "w" > < / span > < span class = "nx" > row< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "mf" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-40" name = "__codelineno-6-40" href = "#__codelineno-6-40" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-41" name = "__codelineno-6-41" href = "#__codelineno-6-41" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-42" name = "__codelineno-6-42" href = "#__codelineno-6-42" > < / a >
< a id = "__codelineno-6-43" name = "__codelineno-6-43" href = "#__codelineno-6-43" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-6-44" name = "__codelineno-6-44" href = "#__codelineno-6-44" > < / a > < span class = "w" > < / span > < span class = "nx" > removeVertex< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-45" name = "__codelineno-6-45" href = "#__codelineno-6-45" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-46" name = "__codelineno-6-46" href = "#__codelineno-6-46" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > RangeError< / span > < span class = "p" > (< / span > < span class = "s1" > ' Index Out Of Bounds Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-47" name = "__codelineno-6-47" href = "#__codelineno-6-47" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-48" name = "__codelineno-6-48" href = "#__codelineno-6-48" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-6-49" name = "__codelineno-6-49" href = "#__codelineno-6-49" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > .< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-50" name = "__codelineno-6-50" href = "#__codelineno-6-50" > < / a >
< a id = "__codelineno-6-51" name = "__codelineno-6-51" href = "#__codelineno-6-51" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-6-52" name = "__codelineno-6-52" href = "#__codelineno-6-52" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > .< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-53" name = "__codelineno-6-53" href = "#__codelineno-6-53" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-6-54" name = "__codelineno-6-54" href = "#__codelineno-6-54" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > row< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-55" name = "__codelineno-6-55" href = "#__codelineno-6-55" > < / a > < span class = "w" > < / span > < span class = "nx" > row< / span > < span class = "p" > .< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-56" name = "__codelineno-6-56" href = "#__codelineno-6-56" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-57" name = "__codelineno-6-57" href = "#__codelineno-6-57" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-58" name = "__codelineno-6-58" href = "#__codelineno-6-58" > < / a >
< a id = "__codelineno-6-59" name = "__codelineno-6-59" href = "#__codelineno-6-59" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-6-60" name = "__codelineno-6-60" href = "#__codelineno-6-60" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-6-61" name = "__codelineno-6-61" href = "#__codelineno-6-61" > < / a > < span class = "w" > < / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-62" name = "__codelineno-6-62" href = "#__codelineno-6-62" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-6-63" name = "__codelineno-6-63" href = "#__codelineno-6-63" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-64" name = "__codelineno-6-64" href = "#__codelineno-6-64" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > RangeError< / span > < span class = "p" > (< / span > < span class = "s1" > ' Index Out Of Bounds Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-65" name = "__codelineno-6-65" href = "#__codelineno-6-65" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-66" name = "__codelineno-6-66" href = "#__codelineno-6-66" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) === (j, i)< / span >
< a id = "__codelineno-6-67" name = "__codelineno-6-67" href = "#__codelineno-6-67" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][< / span > < span class = "nx" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-6-68" name = "__codelineno-6-68" href = "#__codelineno-6-68" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > j< / span > < span class = "p" > ][< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-6-69" name = "__codelineno-6-69" href = "#__codelineno-6-69" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-70" name = "__codelineno-6-70" href = "#__codelineno-6-70" > < / a >
< a id = "__codelineno-6-71" name = "__codelineno-6-71" href = "#__codelineno-6-71" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-6-72" name = "__codelineno-6-72" href = "#__codelineno-6-72" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-6-73" name = "__codelineno-6-73" href = "#__codelineno-6-73" > < / a > < span class = "w" > < / span > < span class = "nx" > removeEdge< / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-74" name = "__codelineno-6-74" href = "#__codelineno-6-74" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-6-75" name = "__codelineno-6-75" href = "#__codelineno-6-75" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-76" name = "__codelineno-6-76" href = "#__codelineno-6-76" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > RangeError< / span > < span class = "p" > (< / span > < span class = "s1" > ' Index Out Of Bounds Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-77" name = "__codelineno-6-77" href = "#__codelineno-6-77" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-78" name = "__codelineno-6-78" href = "#__codelineno-6-78" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][< / span > < span class = "nx" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-6-79" name = "__codelineno-6-79" href = "#__codelineno-6-79" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > j< / span > < span class = "p" > ][< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-6-80" name = "__codelineno-6-80" href = "#__codelineno-6-80" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-81" name = "__codelineno-6-81" href = "#__codelineno-6-81" > < / a >
< a id = "__codelineno-6-82" name = "__codelineno-6-82" href = "#__codelineno-6-82" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接矩阵 */< / span >
< a id = "__codelineno-6-83" name = "__codelineno-6-83" href = "#__codelineno-6-83" > < / a > < span class = "w" > < / span > < span class = "nx" > print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-6-84" name = "__codelineno-6-84" href = "#__codelineno-6-84" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > log< / span > < span class = "p" > (< / span > < span class = "s1" > ' 顶点列表 = ' < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-85" name = "__codelineno-6-85" href = "#__codelineno-6-85" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > log< / span > < span class = "p" > (< / span > < span class = "s1" > ' 邻接矩阵 =' < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > );< / span >
< a id = "__codelineno-6-86" name = "__codelineno-6-86" href = "#__codelineno-6-86" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-6-87" name = "__codelineno-6-87" href = "#__codelineno-6-87" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.ts< / span > < pre > < span > < / span > < code > < a id = "__codelineno-7-1" name = "__codelineno-7-1" href = "#__codelineno-7-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图类 */< / span >
< a id = "__codelineno-7-2" name = "__codelineno-7-2" href = "#__codelineno-7-2" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nx" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-3" name = "__codelineno-7-3" href = "#__codelineno-7-3" > < / a > < span class = "w" > < / span > < span class = "nx" > vertices< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > [];< / span > < span class = "w" > < / span > < span class = "c1" > // 顶点列表，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-7-4" name = "__codelineno-7-4" href = "#__codelineno-7-4" > < / a > < span class = "w" > < / span > < span class = "nx" > adjMat< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > [][];< / span > < span class = "w" > < / span > < span class = "c1" > // 邻接矩阵，行列索引对应“顶点索引”< / span >
< a id = "__codelineno-7-5" name = "__codelineno-7-5" href = "#__codelineno-7-5" > < / a >
< a id = "__codelineno-7-6" name = "__codelineno-7-6" href = "#__codelineno-7-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造函数 */< / span >
< a id = "__codelineno-7-7" name = "__codelineno-7-7" href = "#__codelineno-7-7" > < / a > < span class = "w" > < / span > < span class = "kr" > constructor< / span > < span class = "p" > (< / span > < span class = "nx" > vertices< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > [],< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > [][])< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-8" name = "__codelineno-7-8" href = "#__codelineno-7-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-7-9" name = "__codelineno-7-9" href = "#__codelineno-7-9" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-7-10" name = "__codelineno-7-10" href = "#__codelineno-7-10" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加顶点< / span >
< a id = "__codelineno-7-11" name = "__codelineno-7-11" href = "#__codelineno-7-11" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > vertices< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-12" name = "__codelineno-7-12" href = "#__codelineno-7-12" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-13" name = "__codelineno-7-13" href = "#__codelineno-7-13" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-14" name = "__codelineno-7-14" href = "#__codelineno-7-14" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边< / span >
< a id = "__codelineno-7-15" name = "__codelineno-7-15" href = "#__codelineno-7-15" > < / a > < span class = "w" > < / span > < span class = "c1" > // 请注意， < / span >
< a id = "__codelineno-7-16" name = "__codelineno-7-16" href = "#__codelineno-7-16" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > e< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-17" name = "__codelineno-7-17" href = "#__codelineno-7-17" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > e< / span > < span class = "p" > [< / span > < span class = "mf" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > e< / span > < span class = "p" > [< / span > < span class = "mf" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-7-18" name = "__codelineno-7-18" href = "#__codelineno-7-18" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-19" name = "__codelineno-7-19" href = "#__codelineno-7-19" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-20" name = "__codelineno-7-20" href = "#__codelineno-7-20" > < / a >
< a id = "__codelineno-7-21" name = "__codelineno-7-21" href = "#__codelineno-7-21" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-7-22" name = "__codelineno-7-22" href = "#__codelineno-7-22" > < / a > < span class = "w" > < / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-23" name = "__codelineno-7-23" href = "#__codelineno-7-23" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > .< / span > < span class = "nx" > length< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-7-24" name = "__codelineno-7-24" href = "#__codelineno-7-24" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-25" name = "__codelineno-7-25" href = "#__codelineno-7-25" > < / a >
< a id = "__codelineno-7-26" name = "__codelineno-7-26" href = "#__codelineno-7-26" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-7-27" name = "__codelineno-7-27" href = "#__codelineno-7-27" > < / a > < span class = "w" > < / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > val< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > )< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-28" name = "__codelineno-7-28" href = "#__codelineno-7-28" > < / a > < span class = "w" > < / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > n< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-7-29" name = "__codelineno-7-29" href = "#__codelineno-7-29" > < / a > < span class = "w" > < / span > < span class = "c1" > // 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-7-30" name = "__codelineno-7-30" href = "#__codelineno-7-30" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-31" name = "__codelineno-7-31" href = "#__codelineno-7-31" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一行< / span >
< a id = "__codelineno-7-32" name = "__codelineno-7-32" href = "#__codelineno-7-32" > < / a > < span class = "w" > < / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > newRow< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > []< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-7-33" name = "__codelineno-7-33" href = "#__codelineno-7-33" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "nx" > n< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-34" name = "__codelineno-7-34" href = "#__codelineno-7-34" > < / a > < span class = "w" > < / span > < span class = "nx" > newRow< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "mf" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-35" name = "__codelineno-7-35" href = "#__codelineno-7-35" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-36" name = "__codelineno-7-36" href = "#__codelineno-7-36" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > newRow< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-37" name = "__codelineno-7-37" href = "#__codelineno-7-37" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-7-38" name = "__codelineno-7-38" href = "#__codelineno-7-38" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > row< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-39" name = "__codelineno-7-39" href = "#__codelineno-7-39" > < / a > < span class = "w" > < / span > < span class = "nx" > row< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "mf" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-40" name = "__codelineno-7-40" href = "#__codelineno-7-40" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-41" name = "__codelineno-7-41" href = "#__codelineno-7-41" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-42" name = "__codelineno-7-42" href = "#__codelineno-7-42" > < / a >
< a id = "__codelineno-7-43" name = "__codelineno-7-43" href = "#__codelineno-7-43" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-7-44" name = "__codelineno-7-44" href = "#__codelineno-7-44" > < / a > < span class = "w" > < / span > < span class = "nx" > removeVertex< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > )< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-45" name = "__codelineno-7-45" href = "#__codelineno-7-45" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-46" name = "__codelineno-7-46" href = "#__codelineno-7-46" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > RangeError< / span > < span class = "p" > (< / span > < span class = "s1" > ' Index Out Of Bounds Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-47" name = "__codelineno-7-47" href = "#__codelineno-7-47" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-48" name = "__codelineno-7-48" href = "#__codelineno-7-48" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-7-49" name = "__codelineno-7-49" href = "#__codelineno-7-49" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > .< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-50" name = "__codelineno-7-50" href = "#__codelineno-7-50" > < / a >
< a id = "__codelineno-7-51" name = "__codelineno-7-51" href = "#__codelineno-7-51" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-7-52" name = "__codelineno-7-52" href = "#__codelineno-7-52" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > .< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-53" name = "__codelineno-7-53" href = "#__codelineno-7-53" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-7-54" name = "__codelineno-7-54" href = "#__codelineno-7-54" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > row< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-55" name = "__codelineno-7-55" href = "#__codelineno-7-55" > < / a > < span class = "w" > < / span > < span class = "nx" > row< / span > < span class = "p" > .< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-56" name = "__codelineno-7-56" href = "#__codelineno-7-56" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-57" name = "__codelineno-7-57" href = "#__codelineno-7-57" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-58" name = "__codelineno-7-58" href = "#__codelineno-7-58" > < / a >
< a id = "__codelineno-7-59" name = "__codelineno-7-59" href = "#__codelineno-7-59" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-7-60" name = "__codelineno-7-60" href = "#__codelineno-7-60" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-7-61" name = "__codelineno-7-61" href = "#__codelineno-7-61" > < / a > < span class = "w" > < / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > )< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-62" name = "__codelineno-7-62" href = "#__codelineno-7-62" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-7-63" name = "__codelineno-7-63" href = "#__codelineno-7-63" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-64" name = "__codelineno-7-64" href = "#__codelineno-7-64" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > RangeError< / span > < span class = "p" > (< / span > < span class = "s1" > ' Index Out Of Bounds Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-65" name = "__codelineno-7-65" href = "#__codelineno-7-65" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-66" name = "__codelineno-7-66" href = "#__codelineno-7-66" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) === (j, i)< / span >
< a id = "__codelineno-7-67" name = "__codelineno-7-67" href = "#__codelineno-7-67" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][< / span > < span class = "nx" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-7-68" name = "__codelineno-7-68" href = "#__codelineno-7-68" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > j< / span > < span class = "p" > ][< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-7-69" name = "__codelineno-7-69" href = "#__codelineno-7-69" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-70" name = "__codelineno-7-70" href = "#__codelineno-7-70" > < / a >
< a id = "__codelineno-7-71" name = "__codelineno-7-71" href = "#__codelineno-7-71" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-7-72" name = "__codelineno-7-72" href = "#__codelineno-7-72" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-7-73" name = "__codelineno-7-73" href = "#__codelineno-7-73" > < / a > < span class = "w" > < / span > < span class = "nx" > removeEdge< / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > )< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-74" name = "__codelineno-7-74" href = "#__codelineno-7-74" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-7-75" name = "__codelineno-7-75" href = "#__codelineno-7-75" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "nx" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-76" name = "__codelineno-7-76" href = "#__codelineno-7-76" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > RangeError< / span > < span class = "p" > (< / span > < span class = "s1" > ' Index Out Of Bounds Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-77" name = "__codelineno-7-77" href = "#__codelineno-7-77" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-78" name = "__codelineno-7-78" href = "#__codelineno-7-78" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ][< / span > < span class = "nx" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-7-79" name = "__codelineno-7-79" href = "#__codelineno-7-79" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > [< / span > < span class = "nx" > j< / span > < span class = "p" > ][< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mf" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-7-80" name = "__codelineno-7-80" href = "#__codelineno-7-80" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-81" name = "__codelineno-7-81" href = "#__codelineno-7-81" > < / a >
< a id = "__codelineno-7-82" name = "__codelineno-7-82" href = "#__codelineno-7-82" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接矩阵 */< / span >
< a id = "__codelineno-7-83" name = "__codelineno-7-83" href = "#__codelineno-7-83" > < / a > < span class = "w" > < / span > < span class = "nx" > print< / span > < span class = "p" > ()< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-7-84" name = "__codelineno-7-84" href = "#__codelineno-7-84" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > log< / span > < span class = "p" > (< / span > < span class = "s1" > ' 顶点列表 = ' < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > vertices< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-85" name = "__codelineno-7-85" href = "#__codelineno-7-85" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > log< / span > < span class = "p" > (< / span > < span class = "s1" > ' 邻接矩阵 =' < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjMat< / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-86" name = "__codelineno-7-86" href = "#__codelineno-7-86" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-7-87" name = "__codelineno-7-87" href = "#__codelineno-7-87" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.dart< / span > < pre > < span > < / span > < code > < a id = "__codelineno-8-1" name = "__codelineno-8-1" href = "#__codelineno-8-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图类 */< / span >
< a id = "__codelineno-8-2" name = "__codelineno-8-2" href = "#__codelineno-8-2" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nc" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-3" name = "__codelineno-8-3" href = "#__codelineno-8-3" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span > < span class = "w" > < / span > < span class = "c1" > // 顶点元素，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-8-4" name = "__codelineno-8-4" href = "#__codelineno-8-4" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span > < span class = "w" > < / span > < span class = "c1" > //邻接矩阵，行列索引对应“顶点索引”< / span >
< a id = "__codelineno-8-5" name = "__codelineno-8-5" href = "#__codelineno-8-5" > < / a >
< a id = "__codelineno-8-6" name = "__codelineno-8-6" href = "#__codelineno-8-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-8-7" name = "__codelineno-8-7" href = "#__codelineno-8-7" > < / a > < span class = "w" > < / span > < span class = "n" > GraphAdjMat< / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-8" name = "__codelineno-8-8" href = "#__codelineno-8-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "n" > vertices< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-8-9" name = "__codelineno-8-9" href = "#__codelineno-8-9" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "n" > adjMat< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-8-10" name = "__codelineno-8-10" href = "#__codelineno-8-10" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加顶点< / span >
< a id = "__codelineno-8-11" name = "__codelineno-8-11" href = "#__codelineno-8-11" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-12" name = "__codelineno-8-12" href = "#__codelineno-8-12" > < / a > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-13" name = "__codelineno-8-13" href = "#__codelineno-8-13" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-14" name = "__codelineno-8-14" href = "#__codelineno-8-14" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边< / span >
< a id = "__codelineno-8-15" name = "__codelineno-8-15" href = "#__codelineno-8-15" > < / a > < span class = "w" > < / span > < span class = "c1" > // 请注意， < / span >
< a id = "__codelineno-8-16" name = "__codelineno-8-16" href = "#__codelineno-8-16" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > e< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-17" name = "__codelineno-8-17" href = "#__codelineno-8-17" > < / a > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > e< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > e< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-8-18" name = "__codelineno-8-18" href = "#__codelineno-8-18" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-19" name = "__codelineno-8-19" href = "#__codelineno-8-19" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-20" name = "__codelineno-8-20" href = "#__codelineno-8-20" > < / a >
< a id = "__codelineno-8-21" name = "__codelineno-8-21" href = "#__codelineno-8-21" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-8-22" name = "__codelineno-8-22" href = "#__codelineno-8-22" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-23" name = "__codelineno-8-23" href = "#__codelineno-8-23" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > length< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-8-24" name = "__codelineno-8-24" href = "#__codelineno-8-24" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-25" name = "__codelineno-8-25" href = "#__codelineno-8-25" > < / a >
< a id = "__codelineno-8-26" name = "__codelineno-8-26" href = "#__codelineno-8-26" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-8-27" name = "__codelineno-8-27" href = "#__codelineno-8-27" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-28" name = "__codelineno-8-28" href = "#__codelineno-8-28" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-8-29" name = "__codelineno-8-29" href = "#__codelineno-8-29" > < / a > < span class = "w" > < / span > < span class = "c1" > // 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-8-30" name = "__codelineno-8-30" href = "#__codelineno-8-30" > < / a > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-31" name = "__codelineno-8-31" href = "#__codelineno-8-31" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一行< / span >
< a id = "__codelineno-8-32" name = "__codelineno-8-32" href = "#__codelineno-8-32" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > newRow< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "p" > .< / span > < span class = "n" > filled< / span > < span class = "p" > (< / span > < span class = "n" > n< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nl" > growable:< / span > < span class = "w" > < / span > < span class = "kc" > true< / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-33" name = "__codelineno-8-33" href = "#__codelineno-8-33" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > newRow< / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-34" name = "__codelineno-8-34" href = "#__codelineno-8-34" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-8-35" name = "__codelineno-8-35" href = "#__codelineno-8-35" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-36" name = "__codelineno-8-36" href = "#__codelineno-8-36" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "m" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-37" name = "__codelineno-8-37" href = "#__codelineno-8-37" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-38" name = "__codelineno-8-38" href = "#__codelineno-8-38" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-39" name = "__codelineno-8-39" href = "#__codelineno-8-39" > < / a >
< a id = "__codelineno-8-40" name = "__codelineno-8-40" href = "#__codelineno-8-40" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-8-41" name = "__codelineno-8-41" href = "#__codelineno-8-41" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > removeVertex< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-42" name = "__codelineno-8-42" href = "#__codelineno-8-42" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-43" name = "__codelineno-8-43" href = "#__codelineno-8-43" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > IndexError< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-8-44" name = "__codelineno-8-44" href = "#__codelineno-8-44" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-45" name = "__codelineno-8-45" href = "#__codelineno-8-45" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-8-46" name = "__codelineno-8-46" href = "#__codelineno-8-46" > < / a > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > removeAt< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-47" name = "__codelineno-8-47" href = "#__codelineno-8-47" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-8-48" name = "__codelineno-8-48" href = "#__codelineno-8-48" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > .< / span > < span class = "n" > removeAt< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-49" name = "__codelineno-8-49" href = "#__codelineno-8-49" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-8-50" name = "__codelineno-8-50" href = "#__codelineno-8-50" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-51" name = "__codelineno-8-51" href = "#__codelineno-8-51" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "n" > removeAt< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-52" name = "__codelineno-8-52" href = "#__codelineno-8-52" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-53" name = "__codelineno-8-53" href = "#__codelineno-8-53" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-54" name = "__codelineno-8-54" href = "#__codelineno-8-54" > < / a >
< a id = "__codelineno-8-55" name = "__codelineno-8-55" href = "#__codelineno-8-55" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-8-56" name = "__codelineno-8-56" href = "#__codelineno-8-56" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-8-57" name = "__codelineno-8-57" href = "#__codelineno-8-57" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-58" name = "__codelineno-8-58" href = "#__codelineno-8-58" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-8-59" name = "__codelineno-8-59" href = "#__codelineno-8-59" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-60" name = "__codelineno-8-60" href = "#__codelineno-8-60" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > IndexError< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-8-61" name = "__codelineno-8-61" href = "#__codelineno-8-61" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-62" name = "__codelineno-8-62" href = "#__codelineno-8-62" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) == (j, i)< / span >
< a id = "__codelineno-8-63" name = "__codelineno-8-63" href = "#__codelineno-8-63" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "m" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-8-64" name = "__codelineno-8-64" href = "#__codelineno-8-64" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "m" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-8-65" name = "__codelineno-8-65" href = "#__codelineno-8-65" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-66" name = "__codelineno-8-66" href = "#__codelineno-8-66" > < / a >
< a id = "__codelineno-8-67" name = "__codelineno-8-67" href = "#__codelineno-8-67" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-8-68" name = "__codelineno-8-68" href = "#__codelineno-8-68" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-8-69" name = "__codelineno-8-69" href = "#__codelineno-8-69" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > removeEdge< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-70" name = "__codelineno-8-70" href = "#__codelineno-8-70" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-8-71" name = "__codelineno-8-71" href = "#__codelineno-8-71" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-72" name = "__codelineno-8-72" href = "#__codelineno-8-72" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > IndexError< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-8-73" name = "__codelineno-8-73" href = "#__codelineno-8-73" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-74" name = "__codelineno-8-74" href = "#__codelineno-8-74" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-8-75" name = "__codelineno-8-75" href = "#__codelineno-8-75" > < / a > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "m" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-8-76" name = "__codelineno-8-76" href = "#__codelineno-8-76" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-77" name = "__codelineno-8-77" href = "#__codelineno-8-77" > < / a >
< a id = "__codelineno-8-78" name = "__codelineno-8-78" href = "#__codelineno-8-78" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接矩阵 */< / span >
< a id = "__codelineno-8-79" name = "__codelineno-8-79" href = "#__codelineno-8-79" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > printAdjMat< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-8-80" name = "__codelineno-8-80" href = "#__codelineno-8-80" > < / a > < span class = "w" > < / span > < span class = "n" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " 顶点列表 = < / span > < span class = "si" > $< / span > < span class = "n" > vertices< / span > < span class = "s2" > " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-81" name = "__codelineno-8-81" href = "#__codelineno-8-81" > < / a > < span class = "w" > < / span > < span class = "n" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " 邻接矩阵 = " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-82" name = "__codelineno-8-82" href = "#__codelineno-8-82" > < / a > < span class = "w" > < / span > < span class = "n" > printMatrix< / span > < span class = "p" > (< / span > < span class = "n" > adjMat< / span > < span class = "p" > );< / span >
< a id = "__codelineno-8-83" name = "__codelineno-8-83" href = "#__codelineno-8-83" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-8-84" name = "__codelineno-8-84" href = "#__codelineno-8-84" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.rs< / span > < pre > < span > < / span > < code > < a id = "__codelineno-9-1" name = "__codelineno-9-1" href = "#__codelineno-9-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图类型 */< / span >
< a id = "__codelineno-9-2" name = "__codelineno-9-2" href = "#__codelineno-9-2" > < / a > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > struct< / span > < span class = "nc" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-3" name = "__codelineno-9-3" href = "#__codelineno-9-3" > < / a > < span class = "w" > < / span > < span class = "c1" > // 顶点列表，元素代表“顶点值”，索引代表“顶点索引”< / span >
< a id = "__codelineno-9-4" name = "__codelineno-9-4" href = "#__codelineno-9-4" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > : < span class = "nb" > Vec< / span > < span class = "o" > < < / span > < span class = "kt" > i32< / span > < span class = "o" > > < / span > < span class = "p" > ,< / span >
< a id = "__codelineno-9-5" name = "__codelineno-9-5" href = "#__codelineno-9-5" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接矩阵，行列索引对应“顶点索引”< / span >
< a id = "__codelineno-9-6" name = "__codelineno-9-6" href = "#__codelineno-9-6" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "n" > adj_mat< / span > : < span class = "nb" > Vec< / span > < span class = "o" > < < / span > < span class = "nb" > Vec< / span > < span class = "o" > < < / span > < span class = "kt" > i32< / span > < span class = "o" > > > < / span > < span class = "p" > ,< / span >
< a id = "__codelineno-9-7" name = "__codelineno-9-7" href = "#__codelineno-9-7" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-9-8" name = "__codelineno-9-8" href = "#__codelineno-9-8" > < / a >
< a id = "__codelineno-9-9" name = "__codelineno-9-9" href = "#__codelineno-9-9" > < / a > < span class = "k" > impl< / span > < span class = "w" > < / span > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-10" name = "__codelineno-9-10" href = "#__codelineno-9-10" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-9-11" name = "__codelineno-9-11" href = "#__codelineno-9-11" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > new< / span > < span class = "p" > (< / span > < span class = "n" > vertices< / span > : < span class = "nb" > Vec< / span > < span class = "o" > < < / span > < span class = "kt" > i32< / span > < span class = "o" > > < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > : < span class = "nb" > Vec< / span > < span class = "o" > < < / span > < span class = "p" > [< / span > < span class = "kt" > usize< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "mi" > 2< / span > < span class = "p" > ]< / span > < span class = "o" > > < / span > < span class = "p" > )< / span > < span class = "w" > < / span > -> < span class = "nc" > Self< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-12" name = "__codelineno-9-12" href = "#__codelineno-9-12" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-13" name = "__codelineno-9-13" href = "#__codelineno-9-13" > < / a > < span class = "w" > < / span > < span class = "n" > vertices< / span > : < span class = "nc" > vec< / span > < span class = "o" > !< / span > < span class = "p" > [],< / span >
< a id = "__codelineno-9-14" name = "__codelineno-9-14" href = "#__codelineno-9-14" > < / a > < span class = "w" > < / span > < span class = "n" > adj_mat< / span > : < span class = "nc" > vec< / span > < span class = "o" > !< / span > < span class = "p" > [],< / span >
< a id = "__codelineno-9-15" name = "__codelineno-9-15" href = "#__codelineno-9-15" > < / a > < span class = "w" > < / span > < span class = "p" > };< / span >
< a id = "__codelineno-9-16" name = "__codelineno-9-16" href = "#__codelineno-9-16" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加顶点< / span >
< a id = "__codelineno-9-17" name = "__codelineno-9-17" href = "#__codelineno-9-17" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-18" name = "__codelineno-9-18" href = "#__codelineno-9-18" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "p" > .< / span > < span class = "n" > add_vertex< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-19" name = "__codelineno-9-19" href = "#__codelineno-9-19" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-20" name = "__codelineno-9-20" href = "#__codelineno-9-20" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边< / span >
< a id = "__codelineno-9-21" name = "__codelineno-9-21" href = "#__codelineno-9-21" > < / a > < span class = "w" > < / span > < span class = "c1" > // 请注意， < / span >
< a id = "__codelineno-9-22" name = "__codelineno-9-22" href = "#__codelineno-9-22" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-23" name = "__codelineno-9-23" href = "#__codelineno-9-23" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "p" > .< / span > < span class = "n" > add_edge< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-9-24" name = "__codelineno-9-24" href = "#__codelineno-9-24" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-25" name = "__codelineno-9-25" href = "#__codelineno-9-25" > < / a >
< a id = "__codelineno-9-26" name = "__codelineno-9-26" href = "#__codelineno-9-26" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span >
< a id = "__codelineno-9-27" name = "__codelineno-9-27" href = "#__codelineno-9-27" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-28" name = "__codelineno-9-28" href = "#__codelineno-9-28" > < / a >
< a id = "__codelineno-9-29" name = "__codelineno-9-29" href = "#__codelineno-9-29" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-9-30" name = "__codelineno-9-30" href = "#__codelineno-9-30" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > size< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "w" > < / span > -> < span class = "kt" > usize< / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-31" name = "__codelineno-9-31" href = "#__codelineno-9-31" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > len< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-9-32" name = "__codelineno-9-32" href = "#__codelineno-9-32" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-33" name = "__codelineno-9-33" href = "#__codelineno-9-33" > < / a >
< a id = "__codelineno-9-34" name = "__codelineno-9-34" href = "#__codelineno-9-34" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-9-35" name = "__codelineno-9-35" href = "#__codelineno-9-35" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > add_vertex< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > val< / span > : < span class = "kt" > i32< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-36" name = "__codelineno-9-36" href = "#__codelineno-9-36" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-9-37" name = "__codelineno-9-37" href = "#__codelineno-9-37" > < / a > < span class = "w" > < / span > < span class = "c1" > // 向顶点列表中添加新顶点的值< / span >
< a id = "__codelineno-9-38" name = "__codelineno-9-38" href = "#__codelineno-9-38" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > push< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-39" name = "__codelineno-9-39" href = "#__codelineno-9-39" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一行< / span >
< a id = "__codelineno-9-40" name = "__codelineno-9-40" href = "#__codelineno-9-40" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > .< / span > < span class = "n" > push< / span > < span class = "p" > (< / span > < span class = "fm" > vec!< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-9-41" name = "__codelineno-9-41" href = "#__codelineno-9-41" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中添加一列< / span >
< a id = "__codelineno-9-42" name = "__codelineno-9-42" href = "#__codelineno-9-42" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_mat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-43" name = "__codelineno-9-43" href = "#__codelineno-9-43" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "n" > push< / span > < span class = "p" > (< / span > < span class = "mi" > 0< / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-44" name = "__codelineno-9-44" href = "#__codelineno-9-44" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-45" name = "__codelineno-9-45" href = "#__codelineno-9-45" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-46" name = "__codelineno-9-46" href = "#__codelineno-9-46" > < / a >
< a id = "__codelineno-9-47" name = "__codelineno-9-47" href = "#__codelineno-9-47" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-9-48" name = "__codelineno-9-48" href = "#__codelineno-9-48" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > remove_vertex< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > index< / span > : < span class = "kt" > usize< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-49" name = "__codelineno-9-49" href = "#__codelineno-9-49" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-50" name = "__codelineno-9-50" href = "#__codelineno-9-50" > < / a > < span class = "w" > < / span > < span class = "fm" > panic!< / span > < span class = "p" > (< / span > < span class = "s" > " index error" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-9-51" name = "__codelineno-9-51" href = "#__codelineno-9-51" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-52" name = "__codelineno-9-52" href = "#__codelineno-9-52" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-9-53" name = "__codelineno-9-53" href = "#__codelineno-9-53" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > vertices< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-54" name = "__codelineno-9-54" href = "#__codelineno-9-54" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-9-55" name = "__codelineno-9-55" href = "#__codelineno-9-55" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-56" name = "__codelineno-9-56" href = "#__codelineno-9-56" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-9-57" name = "__codelineno-9-57" href = "#__codelineno-9-57" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_mat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-58" name = "__codelineno-9-58" href = "#__codelineno-9-58" > < / a > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-59" name = "__codelineno-9-59" href = "#__codelineno-9-59" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-60" name = "__codelineno-9-60" href = "#__codelineno-9-60" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-61" name = "__codelineno-9-61" href = "#__codelineno-9-61" > < / a >
< a id = "__codelineno-9-62" name = "__codelineno-9-62" href = "#__codelineno-9-62" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-9-63" name = "__codelineno-9-63" href = "#__codelineno-9-63" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > add_edge< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > i< / span > : < span class = "kt" > usize< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > j< / span > : < span class = "kt" > usize< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-64" name = "__codelineno-9-64" href = "#__codelineno-9-64" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-9-65" name = "__codelineno-9-65" href = "#__codelineno-9-65" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-9-66" name = "__codelineno-9-66" href = "#__codelineno-9-66" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-67" name = "__codelineno-9-67" href = "#__codelineno-9-67" > < / a > < span class = "w" > < / span > < span class = "fm" > panic!< / span > < span class = "p" > (< / span > < span class = "s" > " index error" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-9-68" name = "__codelineno-9-68" href = "#__codelineno-9-68" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-69" name = "__codelineno-9-69" href = "#__codelineno-9-69" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在无向图中，邻接矩阵沿主对角线对称，即满足 (i, j) == (j, i)< / span >
< a id = "__codelineno-9-70" name = "__codelineno-9-70" href = "#__codelineno-9-70" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-9-71" name = "__codelineno-9-71" href = "#__codelineno-9-71" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-9-72" name = "__codelineno-9-72" href = "#__codelineno-9-72" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-73" name = "__codelineno-9-73" href = "#__codelineno-9-73" > < / a >
< a id = "__codelineno-9-74" name = "__codelineno-9-74" href = "#__codelineno-9-74" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-9-75" name = "__codelineno-9-75" href = "#__codelineno-9-75" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-9-76" name = "__codelineno-9-76" href = "#__codelineno-9-76" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > remove_edge< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > i< / span > : < span class = "kt" > usize< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > j< / span > : < span class = "kt" > usize< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-77" name = "__codelineno-9-77" href = "#__codelineno-9-77" > < / a > < span class = "w" > < / span > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-9-78" name = "__codelineno-9-78" href = "#__codelineno-9-78" > < / a > < span class = "w" > < / span > < span class = "c1" > // 索引越界与相等处理< / span >
< a id = "__codelineno-9-79" name = "__codelineno-9-79" href = "#__codelineno-9-79" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-80" name = "__codelineno-9-80" href = "#__codelineno-9-80" > < / a > < span class = "w" > < / span > < span class = "fm" > panic!< / span > < span class = "p" > (< / span > < span class = "s" > " index error" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-9-81" name = "__codelineno-9-81" href = "#__codelineno-9-81" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-82" name = "__codelineno-9-82" href = "#__codelineno-9-82" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-9-83" name = "__codelineno-9-83" href = "#__codelineno-9-83" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_mat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-9-84" name = "__codelineno-9-84" href = "#__codelineno-9-84" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-85" name = "__codelineno-9-85" href = "#__codelineno-9-85" > < / a >
< a id = "__codelineno-9-86" name = "__codelineno-9-86" href = "#__codelineno-9-86" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接矩阵 */< / span >
< a id = "__codelineno-9-87" name = "__codelineno-9-87" href = "#__codelineno-9-87" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > print< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-88" name = "__codelineno-9-88" href = "#__codelineno-9-88" > < / a > < span class = "w" > < / span > < span class = "fm" > println!< / span > < span class = "p" > (< / span > < span class = "s" > " 顶点列表 = {:?}" < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > vertices< / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-89" name = "__codelineno-9-89" href = "#__codelineno-9-89" > < / a > < span class = "w" > < / span > < span class = "fm" > println!< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接矩阵 =" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-90" name = "__codelineno-9-90" href = "#__codelineno-9-90" > < / a > < span class = "w" > < / span > < span class = "fm" > println!< / span > < span class = "p" > (< / span > < span class = "s" > " [" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-91" name = "__codelineno-9-91" href = "#__codelineno-9-91" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_mat< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-9-92" name = "__codelineno-9-92" href = "#__codelineno-9-92" > < / a > < span class = "w" > < / span > < span class = "fm" > println!< / span > < span class = "p" > (< / span > < span class = "s" > " {:?}," < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > row< / span > < span class = "p" > );< / span >
< a id = "__codelineno-9-93" name = "__codelineno-9-93" href = "#__codelineno-9-93" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-94" name = "__codelineno-9-94" href = "#__codelineno-9-94" > < / a > < span class = "w" > < / span > < span class = "fm" > println!< / span > < span class = "p" > (< / span > < span class = "s" > " ]" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-9-95" name = "__codelineno-9-95" href = "#__codelineno-9-95" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-9-96" name = "__codelineno-9-96" href = "#__codelineno-9-96" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
2023-06-02 02:38:32 +08:00
< div class = "tabbed-block" >
2023-10-29 20:01:38 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.c< / span > < pre > < span > < / span > < code > < a id = "__codelineno-10-1" name = "__codelineno-10-1" href = "#__codelineno-10-1" > < / a > < span class = "cm" > /* 基于邻接矩阵实现的无向图结构体 */< / span >
2023-10-18 02:17:09 +08:00
< a id = "__codelineno-10-2" name = "__codelineno-10-2" href = "#__codelineno-10-2" > < / a > < span class = "k" > typedef< / span > < span class = "w" > < / span > < span class = "k" > struct< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-29 20:01:38 +08:00
< a id = "__codelineno-10-3" name = "__codelineno-10-3" href = "#__codelineno-10-3" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > vertices< / span > < span class = "p" > [< / span > < span class = "n" > MAX_SIZE< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-10-4" name = "__codelineno-10-4" href = "#__codelineno-10-4" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > MAX_SIZE< / span > < span class = "p" > ][< / span > < span class = "n" > MAX_SIZE< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-10-5" name = "__codelineno-10-5" href = "#__codelineno-10-5" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-6" name = "__codelineno-10-6" href = "#__codelineno-10-6" > < / a > < span class = "p" > }< / span > < span class = "w" > < / span > < span class = "n" > GraphAdjMat< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-7" name = "__codelineno-10-7" href = "#__codelineno-10-7" > < / a >
< a id = "__codelineno-10-8" name = "__codelineno-10-8" href = "#__codelineno-10-8" > < / a > < span class = "cm" > /* 构造函数 */< / span >
< a id = "__codelineno-10-9" name = "__codelineno-10-9" href = "#__codelineno-10-9" > < / a > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nf" > newGraphAdjMat< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-10" name = "__codelineno-10-10" href = "#__codelineno-10-10" > < / a > < span class = "w" > < / span > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "p" > )< / span > < span class = "n" > malloc< / span > < span class = "p" > (< / span > < span class = "k" > sizeof< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjMat< / span > < span class = "p" > ));< / span >
< a id = "__codelineno-10-11" name = "__codelineno-10-11" href = "#__codelineno-10-11" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-12" name = "__codelineno-10-12" href = "#__codelineno-10-12" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > MAX_SIZE< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-13" name = "__codelineno-10-13" href = "#__codelineno-10-13" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > MAX_SIZE< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-14" name = "__codelineno-10-14" href = "#__codelineno-10-14" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-15" name = "__codelineno-10-15" href = "#__codelineno-10-15" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
2023-10-18 02:17:09 +08:00
< a id = "__codelineno-10-16" name = "__codelineno-10-16" href = "#__codelineno-10-16" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
2023-10-29 20:01:38 +08:00
< a id = "__codelineno-10-17" name = "__codelineno-10-17" href = "#__codelineno-10-17" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-18" name = "__codelineno-10-18" href = "#__codelineno-10-18" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-10-19" name = "__codelineno-10-19" href = "#__codelineno-10-19" > < / a >
< a id = "__codelineno-10-20" name = "__codelineno-10-20" href = "#__codelineno-10-20" > < / a > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-10-21" name = "__codelineno-10-21" href = "#__codelineno-10-21" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-22" name = "__codelineno-10-22" href = "#__codelineno-10-22" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > MAX_SIZE< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-23" name = "__codelineno-10-23" href = "#__codelineno-10-23" > < / a > < span class = "w" > < / span > < span class = "n" > fprintf< / span > < span class = "p" > (< / span > < span class = "n" > stderr< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 图的顶点数量已达最大值< / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-24" name = "__codelineno-10-24" href = "#__codelineno-10-24" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-25" name = "__codelineno-10-25" href = "#__codelineno-10-25" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-26" name = "__codelineno-10-26" href = "#__codelineno-10-26" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加第 n 个顶点，并将第 n 行和列置零< / span >
< a id = "__codelineno-10-27" name = "__codelineno-10-27" href = "#__codelineno-10-27" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-28" name = "__codelineno-10-28" href = "#__codelineno-10-28" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > vertices< / span > < span class = "p" > [< / span > < span class = "n" > n< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-29" name = "__codelineno-10-29" href = "#__codelineno-10-29" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < =< / span > < span class = "w" > < / span > < span class = "n" > n< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-30" name = "__codelineno-10-30" href = "#__codelineno-10-30" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > n< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > n< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-31" name = "__codelineno-10-31" href = "#__codelineno-10-31" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-32" name = "__codelineno-10-32" href = "#__codelineno-10-32" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "o" > ++< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-33" name = "__codelineno-10-33" href = "#__codelineno-10-33" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-10-34" name = "__codelineno-10-34" href = "#__codelineno-10-34" > < / a >
< a id = "__codelineno-10-35" name = "__codelineno-10-35" href = "#__codelineno-10-35" > < / a > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-10-36" name = "__codelineno-10-36" href = "#__codelineno-10-36" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > removeVertex< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-37" name = "__codelineno-10-37" href = "#__codelineno-10-37" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-38" name = "__codelineno-10-38" href = "#__codelineno-10-38" > < / a > < span class = "w" > < / span > < span class = "n" > fprintf< / span > < span class = "p" > (< / span > < span class = "n" > stderr< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 顶点索引越界< / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-39" name = "__codelineno-10-39" href = "#__codelineno-10-39" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-40" name = "__codelineno-10-40" href = "#__codelineno-10-40" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-41" name = "__codelineno-10-41" href = "#__codelineno-10-41" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在顶点列表中移除索引 index 的顶点< / span >
< a id = "__codelineno-10-42" name = "__codelineno-10-42" href = "#__codelineno-10-42" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > -< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-43" name = "__codelineno-10-43" href = "#__codelineno-10-43" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > vertices< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > vertices< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-10-44" name = "__codelineno-10-44" href = "#__codelineno-10-44" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-45" name = "__codelineno-10-45" href = "#__codelineno-10-45" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的行< / span >
< a id = "__codelineno-10-46" name = "__codelineno-10-46" href = "#__codelineno-10-46" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > -< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-47" name = "__codelineno-10-47" href = "#__codelineno-10-47" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-48" name = "__codelineno-10-48" href = "#__codelineno-10-48" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-10-49" name = "__codelineno-10-49" href = "#__codelineno-10-49" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-50" name = "__codelineno-10-50" href = "#__codelineno-10-50" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-51" name = "__codelineno-10-51" href = "#__codelineno-10-51" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接矩阵中删除索引 index 的列< / span >
< a id = "__codelineno-10-52" name = "__codelineno-10-52" href = "#__codelineno-10-52" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-53" name = "__codelineno-10-53" href = "#__codelineno-10-53" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > -< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-54" name = "__codelineno-10-54" href = "#__codelineno-10-54" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-10-55" name = "__codelineno-10-55" href = "#__codelineno-10-55" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-56" name = "__codelineno-10-56" href = "#__codelineno-10-56" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-57" name = "__codelineno-10-57" href = "#__codelineno-10-57" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "o" > --< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-58" name = "__codelineno-10-58" href = "#__codelineno-10-58" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-10-59" name = "__codelineno-10-59" href = "#__codelineno-10-59" > < / a >
< a id = "__codelineno-10-60" name = "__codelineno-10-60" href = "#__codelineno-10-60" > < / a > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-10-61" name = "__codelineno-10-61" href = "#__codelineno-10-61" > < / a > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-10-62" name = "__codelineno-10-62" href = "#__codelineno-10-62" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-63" name = "__codelineno-10-63" href = "#__codelineno-10-63" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-64" name = "__codelineno-10-64" href = "#__codelineno-10-64" > < / a > < span class = "w" > < / span > < span class = "n" > fprintf< / span > < span class = "p" > (< / span > < span class = "n" > stderr< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 边索引越界或相等< / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-65" name = "__codelineno-10-65" href = "#__codelineno-10-65" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-66" name = "__codelineno-10-66" href = "#__codelineno-10-66" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-67" name = "__codelineno-10-67" href = "#__codelineno-10-67" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-68" name = "__codelineno-10-68" href = "#__codelineno-10-68" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-69" name = "__codelineno-10-69" href = "#__codelineno-10-69" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-10-70" name = "__codelineno-10-70" href = "#__codelineno-10-70" > < / a >
< a id = "__codelineno-10-71" name = "__codelineno-10-71" href = "#__codelineno-10-71" > < / a > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-10-72" name = "__codelineno-10-72" href = "#__codelineno-10-72" > < / a > < span class = "c1" > // 参数 i, j 对应 vertices 元素索引< / span >
< a id = "__codelineno-10-73" name = "__codelineno-10-73" href = "#__codelineno-10-73" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > removeEdge< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-74" name = "__codelineno-10-74" href = "#__codelineno-10-74" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-75" name = "__codelineno-10-75" href = "#__codelineno-10-75" > < / a > < span class = "w" > < / span > < span class = "n" > fprintf< / span > < span class = "p" > (< / span > < span class = "n" > stderr< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 边索引越界或相等< / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-76" name = "__codelineno-10-76" href = "#__codelineno-10-76" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-77" name = "__codelineno-10-77" href = "#__codelineno-10-77" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-78" name = "__codelineno-10-78" href = "#__codelineno-10-78" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ][< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-79" name = "__codelineno-10-79" href = "#__codelineno-10-79" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ][< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-10-80" name = "__codelineno-10-80" href = "#__codelineno-10-80" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-10-81" name = "__codelineno-10-81" href = "#__codelineno-10-81" > < / a >
< a id = "__codelineno-10-82" name = "__codelineno-10-82" href = "#__codelineno-10-82" > < / a > < span class = "cm" > /* 打印邻接矩阵 */< / span >
< a id = "__codelineno-10-83" name = "__codelineno-10-83" href = "#__codelineno-10-83" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > printGraphAdjMat< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjMat< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-84" name = "__codelineno-10-84" href = "#__codelineno-10-84" > < / a > < span class = "w" > < / span > < span class = "n" > printf< / span > < span class = "p" > (< / span > < span class = "s" > " 顶点列表 = " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-85" name = "__codelineno-10-85" href = "#__codelineno-10-85" > < / a > < span class = "w" > < / span > < span class = "n" > printArray< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > vertices< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-86" name = "__codelineno-10-86" href = "#__codelineno-10-86" > < / a > < span class = "w" > < / span > < span class = "n" > printf< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接矩阵 =< / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-87" name = "__codelineno-10-87" href = "#__codelineno-10-87" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-88" name = "__codelineno-10-88" href = "#__codelineno-10-88" > < / a > < span class = "w" > < / span > < span class = "n" > printArray< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > adjMat< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-89" name = "__codelineno-10-89" href = "#__codelineno-10-89" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-10-90" name = "__codelineno-10-90" href = "#__codelineno-10-90" > < / a > < span class = "p" > }< / span >
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< / code > < / pre > < / div >
< / div >
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< div class = "tabbed-block" >
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< div class = "highlight" > < span class = "filename" > graph_adjacency_matrix.zig< / span > < pre > < span > < / span > < code > < a id = "__codelineno-11-1" name = "__codelineno-11-1" href = "#__codelineno-11-1" > < / a > < span class = "p" > [< / span > < span class = "n" > class< / span > < span class = "p" > ]{< / span > < span class = "n" > GraphAdjMat< / span > < span class = "p" > }< / span > < span class = "o" > -< / span > < span class = "p" > [< / span > < span class = "n" > func< / span > < span class = "p" > ]{}< / span >
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< / code > < / pre > < / div >
< / div >
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< / div >
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< h2 id = "922" > 9.2.2 基于邻接表的实现< a class = "headerlink" href = "#922" title = "Permanent link" > ¶ < / a > < / h2 >
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< p > 设无向图的顶点总数为 < span class = "arithmatex" > \(n\)< / span > 、边总数为 < span class = "arithmatex" > \(m\)< / span > ，则可根据图 9-8 所示的方法实现各种操作。< / p >
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< ul >
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< li > < strong > 添加边< / strong > ：在顶点对应链表的末尾添加边即可，使用 < span class = "arithmatex" > \(O(1)\)< / span > 时间。因为是无向图，所以需要同时添加两个方向的边。< / li >
< li > < strong > 删除边< / strong > ：在顶点对应链表中查找并删除指定边，使用 < span class = "arithmatex" > \(O(m)\)< / span > 时间。在无向图中，需要同时删除两个方向的边。< / li >
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< li > < strong > 添加顶点< / strong > ：在邻接表中添加一个链表，并将新增顶点作为链表头节点，使用 < span class = "arithmatex" > \(O(1)\)< / span > 时间。< / li >
2023-05-27 17:14:16 +08:00
< li > < strong > 删除顶点< / strong > ：需遍历整个邻接表，删除包含指定顶点的所有边，使用 < span class = "arithmatex" > \(O(n + m)\)< / span > 时间。< / li >
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< li > < strong > 初始化< / strong > ：在邻接表中创建 < span class = "arithmatex" > \(n\)< / span > 个顶点和 < span class = "arithmatex" > \(2m\)< / span > 条边，使用 < span class = "arithmatex" > \(O(n + m)\)< / span > 时间。< / li >
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< / ul >
< div class = "tabbed-set tabbed-alternate" data-tabs = "3:5" > < input checked = "checked" id = "__tabbed_3_1" name = "__tabbed_3" type = "radio" / > < input id = "__tabbed_3_2" name = "__tabbed_3" type = "radio" / > < input id = "__tabbed_3_3" name = "__tabbed_3" type = "radio" / > < input id = "__tabbed_3_4" name = "__tabbed_3" type = "radio" / > < input id = "__tabbed_3_5" name = "__tabbed_3" type = "radio" / > < div class = "tabbed-labels" > < label for = "__tabbed_3_1" > 初始化邻接表< / label > < label for = "__tabbed_3_2" > 添加边< / label > < label for = "__tabbed_3_3" > 删除边< / label > < label for = "__tabbed_3_4" > 添加顶点< / label > < label for = "__tabbed_3_5" > 删除顶点< / label > < / div >
< div class = "tabbed-content" >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_list_initialization.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "邻接表的初始化、增删边、增删顶点" src = "../graph_operations.assets/adjacency_list_initialization.png" / > < / a > < / p >
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< / div >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_list_add_edge.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "adjacency_list_add_edge" src = "../graph_operations.assets/adjacency_list_add_edge.png" / > < / a > < / p >
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< / div >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_list_remove_edge.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "adjacency_list_remove_edge" src = "../graph_operations.assets/adjacency_list_remove_edge.png" / > < / a > < / p >
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< / div >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_list_add_vertex.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "adjacency_list_add_vertex" src = "../graph_operations.assets/adjacency_list_add_vertex.png" / > < / a > < / p >
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< / div >
< div class = "tabbed-block" >
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< p > < a class = "glightbox" href = "../graph_operations.assets/adjacency_list_remove_vertex.png" data-type = "image" data-width = "100%" data-height = "auto" data-desc-position = "bottom" > < img alt = "adjacency_list_remove_vertex" src = "../graph_operations.assets/adjacency_list_remove_vertex.png" / > < / a > < / p >
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< / div >
< / div >
< / div >
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< p align = "center" > 图 9-8 邻接表的初始化、增删边、增删顶点 < / p >
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< p > 以下是邻接表的代码实现。对比图 9-8 ，实际代码有以下不同。< / p >
< ul >
< li > 为了方便添加与删除顶点，以及简化代码，我们使用列表（动态数组）来代替链表。< / li >
< li > 使用哈希表来存储邻接表，< code > key< / code > 为顶点实例，< code > value< / code > 为该顶点的邻接顶点列表（链表）。< / li >
< / ul >
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< p > 另外，我们在邻接表中使用 < code > Vertex< / code > 类来表示顶点，这样做的原因是：如果与邻接矩阵一样，用列表索引来区分不同顶点，那么假设要删除索引为 < span class = "arithmatex" > \(i\)< / span > 的顶点，则需遍历整个邻接表，将所有大于 < span class = "arithmatex" > \(i\)< / span > 的索引全部减 < span class = "arithmatex" > \(1\)< / span > ，效率很低。而如果每个顶点都是唯一的 < code > Vertex< / code > 实例，删除某一顶点之后就无须改动其他顶点了。< / p >
2023-09-04 03:17:06 +08:00
< div class = "tabbed-set tabbed-alternate" data-tabs = "4:12" > < input checked = "checked" id = "__tabbed_4_1" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_2" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_3" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_4" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_5" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_6" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_7" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_8" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_9" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_10" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_11" name = "__tabbed_4" type = "radio" / > < input id = "__tabbed_4_12" name = "__tabbed_4" type = "radio" / > < div class = "tabbed-labels" > < label for = "__tabbed_4_1" > Python< / label > < label for = "__tabbed_4_2" > C++< / label > < label for = "__tabbed_4_3" > Java< / label > < label for = "__tabbed_4_4" > C#< / label > < label for = "__tabbed_4_5" > Go< / label > < label for = "__tabbed_4_6" > Swift< / label > < label for = "__tabbed_4_7" > JS< / label > < label for = "__tabbed_4_8" > TS< / label > < label for = "__tabbed_4_9" > Dart< / label > < label for = "__tabbed_4_10" > Rust< / label > < label for = "__tabbed_4_11" > C< / label > < label for = "__tabbed_4_12" > Zig< / label > < / div >
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< div class = "tabbed-content" >
< div class = "tabbed-block" >
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< div class = "highlight" > < span class = "filename" > graph_adjacency_list.py< / span > < pre > < span > < / span > < code > < a id = "__codelineno-12-1" name = "__codelineno-12-1" href = "#__codelineno-12-1" > < / a > < span class = "k" > class< / span > < span class = "nc" > GraphAdjList< / span > < span class = "p" > :< / span >
< a id = "__codelineno-12-2" name = "__codelineno-12-2" href = "#__codelineno-12-2" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 基于邻接表实现的无向图类" " " < / span >
< a id = "__codelineno-12-3" name = "__codelineno-12-3" href = "#__codelineno-12-3" > < / a >
< a id = "__codelineno-12-4" name = "__codelineno-12-4" href = "#__codelineno-12-4" > < / a > < span class = "k" > def< / span > < span class = "fm" > __init__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > edges< / span > < span class = "p" > :< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "n" > Vertex< / span > < span class = "p" > ]]):< / span >
< a id = "__codelineno-12-5" name = "__codelineno-12-5" href = "#__codelineno-12-5" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 构造方法" " " < / span >
< a id = "__codelineno-12-6" name = "__codelineno-12-6" href = "#__codelineno-12-6" > < / a > < span class = "c1" > # 邻接表， ， ： < / span >
< a id = "__codelineno-12-7" name = "__codelineno-12-7" href = "#__codelineno-12-7" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "o" > =< / span > < span class = "nb" > dict< / span > < span class = "p" > [< / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "n" > Vertex< / span > < span class = "p" > ]]()< / span >
< a id = "__codelineno-12-8" name = "__codelineno-12-8" href = "#__codelineno-12-8" > < / a > < span class = "c1" > # 添加所有顶点和边< / span >
< a id = "__codelineno-12-9" name = "__codelineno-12-9" href = "#__codelineno-12-9" > < / a > < span class = "k" > for< / span > < span class = "n" > edge< / span > < span class = "ow" > in< / span > < span class = "n" > edges< / span > < span class = "p" > :< / span >
< a id = "__codelineno-12-10" name = "__codelineno-12-10" href = "#__codelineno-12-10" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > add_vertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-12-11" name = "__codelineno-12-11" href = "#__codelineno-12-11" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > add_vertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-12-12" name = "__codelineno-12-12" href = "#__codelineno-12-12" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > add_edge< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-12-13" name = "__codelineno-12-13" href = "#__codelineno-12-13" > < / a >
< a id = "__codelineno-12-14" name = "__codelineno-12-14" href = "#__codelineno-12-14" > < / a > < span class = "k" > def< / span > < span class = "nf" > size< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "nb" > int< / span > < span class = "p" > :< / span >
< a id = "__codelineno-12-15" name = "__codelineno-12-15" href = "#__codelineno-12-15" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 获取顶点数量" " " < / span >
< a id = "__codelineno-12-16" name = "__codelineno-12-16" href = "#__codelineno-12-16" > < / a > < span class = "k" > return< / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-17" name = "__codelineno-12-17" href = "#__codelineno-12-17" > < / a >
< a id = "__codelineno-12-18" name = "__codelineno-12-18" href = "#__codelineno-12-18" > < / a > < span class = "k" > def< / span > < span class = "nf" > add_edge< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > vet1< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "n" > vet2< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-12-19" name = "__codelineno-12-19" href = "#__codelineno-12-19" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 添加边" " " < / span >
< a id = "__codelineno-12-20" name = "__codelineno-12-20" href = "#__codelineno-12-20" > < / a > < span class = "k" > if< / span > < span class = "n" > vet1< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "ow" > or< / span > < span class = "n" > vet2< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "ow" > or< / span > < span class = "n" > vet1< / span > < span class = "o" > ==< / span > < span class = "n" > vet2< / span > < span class = "p" > :< / span >
< a id = "__codelineno-12-21" name = "__codelineno-12-21" href = "#__codelineno-12-21" > < / a > < span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-12-22" name = "__codelineno-12-22" href = "#__codelineno-12-22" > < / a > < span class = "c1" > # 添加边 vet1 - vet2< / span >
< a id = "__codelineno-12-23" name = "__codelineno-12-23" href = "#__codelineno-12-23" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-24" name = "__codelineno-12-24" href = "#__codelineno-12-24" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-25" name = "__codelineno-12-25" href = "#__codelineno-12-25" > < / a >
< a id = "__codelineno-12-26" name = "__codelineno-12-26" href = "#__codelineno-12-26" > < / a > < span class = "k" > def< / span > < span class = "nf" > remove_edge< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > vet1< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "n" > vet2< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-12-27" name = "__codelineno-12-27" href = "#__codelineno-12-27" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 删除边" " " < / span >
< a id = "__codelineno-12-28" name = "__codelineno-12-28" href = "#__codelineno-12-28" > < / a > < span class = "k" > if< / span > < span class = "n" > vet1< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "ow" > or< / span > < span class = "n" > vet2< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "ow" > or< / span > < span class = "n" > vet1< / span > < span class = "o" > ==< / span > < span class = "n" > vet2< / span > < span class = "p" > :< / span >
< a id = "__codelineno-12-29" name = "__codelineno-12-29" href = "#__codelineno-12-29" > < / a > < span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-12-30" name = "__codelineno-12-30" href = "#__codelineno-12-30" > < / a > < span class = "c1" > # 删除边 vet1 - vet2< / span >
< a id = "__codelineno-12-31" name = "__codelineno-12-31" href = "#__codelineno-12-31" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-32" name = "__codelineno-12-32" href = "#__codelineno-12-32" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-33" name = "__codelineno-12-33" href = "#__codelineno-12-33" > < / a >
< a id = "__codelineno-12-34" name = "__codelineno-12-34" href = "#__codelineno-12-34" > < / a > < span class = "k" > def< / span > < span class = "nf" > add_vertex< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > vet< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-12-35" name = "__codelineno-12-35" href = "#__codelineno-12-35" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 添加顶点" " " < / span >
< a id = "__codelineno-12-36" name = "__codelineno-12-36" href = "#__codelineno-12-36" > < / a > < span class = "k" > if< / span > < span class = "n" > vet< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > :< / span >
< a id = "__codelineno-12-37" name = "__codelineno-12-37" href = "#__codelineno-12-37" > < / a > < span class = "k" > return< / span >
< a id = "__codelineno-12-38" name = "__codelineno-12-38" href = "#__codelineno-12-38" > < / a > < span class = "c1" > # 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-12-39" name = "__codelineno-12-39" href = "#__codelineno-12-39" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > [< / span > < span class = "n" > vet< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< a id = "__codelineno-12-40" name = "__codelineno-12-40" href = "#__codelineno-12-40" > < / a >
< a id = "__codelineno-12-41" name = "__codelineno-12-41" href = "#__codelineno-12-41" > < / a > < span class = "k" > def< / span > < span class = "nf" > remove_vertex< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > vet< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-12-42" name = "__codelineno-12-42" href = "#__codelineno-12-42" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 删除顶点" " " < / span >
< a id = "__codelineno-12-43" name = "__codelineno-12-43" href = "#__codelineno-12-43" > < / a > < span class = "k" > if< / span > < span class = "n" > vet< / span > < span class = "ow" > not< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > :< / span >
< a id = "__codelineno-12-44" name = "__codelineno-12-44" href = "#__codelineno-12-44" > < / a > < span class = "k" > raise< / span > < span class = "ne" > ValueError< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-12-45" name = "__codelineno-12-45" href = "#__codelineno-12-45" > < / a > < span class = "c1" > # 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-12-46" name = "__codelineno-12-46" href = "#__codelineno-12-46" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-47" name = "__codelineno-12-47" href = "#__codelineno-12-47" > < / a > < span class = "c1" > # 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-12-48" name = "__codelineno-12-48" href = "#__codelineno-12-48" > < / a > < span class = "k" > for< / span > < span class = "n" > vertex< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > :< / span >
< a id = "__codelineno-12-49" name = "__codelineno-12-49" href = "#__codelineno-12-49" > < / a > < span class = "k" > if< / span > < span class = "n" > vet< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > [< / span > < span class = "n" > vertex< / span > < span class = "p" > ]:< / span >
< a id = "__codelineno-12-50" name = "__codelineno-12-50" href = "#__codelineno-12-50" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > [< / span > < span class = "n" > vertex< / span > < span class = "p" > ]< / span > < span class = "o" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-51" name = "__codelineno-12-51" href = "#__codelineno-12-51" > < / a >
< a id = "__codelineno-12-52" name = "__codelineno-12-52" href = "#__codelineno-12-52" > < / a > < span class = "k" > def< / span > < span class = "nf" > print< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-12-53" name = "__codelineno-12-53" href = "#__codelineno-12-53" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 打印邻接表" " " < / span >
< a id = "__codelineno-12-54" name = "__codelineno-12-54" href = "#__codelineno-12-54" > < / a > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " 邻接表 =" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-55" name = "__codelineno-12-55" href = "#__codelineno-12-55" > < / a > < span class = "k" > for< / span > < span class = "n" > vertex< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > :< / span >
< a id = "__codelineno-12-56" name = "__codelineno-12-56" href = "#__codelineno-12-56" > < / a > < span class = "n" > tmp< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "n" > v< / span > < span class = "o" > .< / span > < span class = "n" > val< / span > < span class = "k" > for< / span > < span class = "n" > v< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > [< / span > < span class = "n" > vertex< / span > < span class = "p" > ]]< / span >
< a id = "__codelineno-12-57" name = "__codelineno-12-57" href = "#__codelineno-12-57" > < / a > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "sa" > f< / span > < span class = "s2" > " < / span > < span class = "si" > {< / span > < span class = "n" > vertex< / span > < span class = "o" > .< / span > < span class = "n" > val< / span > < span class = "si" > }< / span > < span class = "s2" > : < / span > < span class = "si" > {< / span > < span class = "n" > tmp< / span > < span class = "si" > }< / span > < span class = "s2" > ," < / span > < span class = "p" > )< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.cpp< / span > < pre > < span > < / span > < code > < a id = "__codelineno-13-1" name = "__codelineno-13-1" href = "#__codelineno-13-1" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类 */< / span >
< a id = "__codelineno-13-2" name = "__codelineno-13-2" href = "#__codelineno-13-2" > < / a > < span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-3" name = "__codelineno-13-3" href = "#__codelineno-13-3" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "o" > :< / span >
< a id = "__codelineno-13-4" name = "__codelineno-13-4" href = "#__codelineno-13-4" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接表， ， ： < / span >
< a id = "__codelineno-13-5" name = "__codelineno-13-5" href = "#__codelineno-13-5" > < / a > < span class = "w" > < / span > < span class = "n" > unordered_map< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *> > < / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-13-6" name = "__codelineno-13-6" href = "#__codelineno-13-6" > < / a >
< a id = "__codelineno-13-7" name = "__codelineno-13-7" href = "#__codelineno-13-7" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 在 vector 中删除指定节点 */< / span >
< a id = "__codelineno-13-8" name = "__codelineno-13-8" href = "#__codelineno-13-8" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *> < / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > vec< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-9" name = "__codelineno-13-9" href = "#__codelineno-13-9" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > vec< / span > < span class = "p" > .< / span > < span class = "n" > size< / span > < span class = "p" > ();< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-10" name = "__codelineno-13-10" href = "#__codelineno-13-10" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > vec< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-11" name = "__codelineno-13-11" href = "#__codelineno-13-11" > < / a > < span class = "w" > < / span > < span class = "n" > vec< / span > < span class = "p" > .< / span > < span class = "n" > erase< / span > < span class = "p" > (< / span > < span class = "n" > vec< / span > < span class = "p" > .< / span > < span class = "n" > begin< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-12" name = "__codelineno-13-12" href = "#__codelineno-13-12" > < / a > < span class = "w" > < / span > < span class = "k" > break< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-13-13" name = "__codelineno-13-13" href = "#__codelineno-13-13" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-14" name = "__codelineno-13-14" href = "#__codelineno-13-14" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-15" name = "__codelineno-13-15" href = "#__codelineno-13-15" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-16" name = "__codelineno-13-16" href = "#__codelineno-13-16" > < / a >
< a id = "__codelineno-13-17" name = "__codelineno-13-17" href = "#__codelineno-13-17" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-13-18" name = "__codelineno-13-18" href = "#__codelineno-13-18" > < / a > < span class = "w" > < / span > < span class = "n" > GraphAdjList< / span > < span class = "p" > (< / span > < span class = "k" > const< / span > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *> > < / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-19" name = "__codelineno-13-19" href = "#__codelineno-13-19" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加所有顶点和边< / span >
< a id = "__codelineno-13-20" name = "__codelineno-13-20" href = "#__codelineno-13-20" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "k" > const< / span > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *> < / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > edge< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-21" name = "__codelineno-13-21" href = "#__codelineno-13-21" > < / a > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-13-22" name = "__codelineno-13-22" href = "#__codelineno-13-22" > < / a > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-13-23" name = "__codelineno-13-23" href = "#__codelineno-13-23" > < / a > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-13-24" name = "__codelineno-13-24" href = "#__codelineno-13-24" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-25" name = "__codelineno-13-25" href = "#__codelineno-13-25" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-26" name = "__codelineno-13-26" href = "#__codelineno-13-26" > < / a >
< a id = "__codelineno-13-27" name = "__codelineno-13-27" href = "#__codelineno-13-27" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-13-28" name = "__codelineno-13-28" href = "#__codelineno-13-28" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-29" name = "__codelineno-13-29" href = "#__codelineno-13-29" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-13-30" name = "__codelineno-13-30" href = "#__codelineno-13-30" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-31" name = "__codelineno-13-31" href = "#__codelineno-13-31" > < / a >
< a id = "__codelineno-13-32" name = "__codelineno-13-32" href = "#__codelineno-13-32" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-13-33" name = "__codelineno-13-33" href = "#__codelineno-13-33" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-34" name = "__codelineno-13-34" href = "#__codelineno-13-34" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > count< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > count< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-13-35" name = "__codelineno-13-35" href = "#__codelineno-13-35" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > invalid_argument< / span > < span class = "p" > (< / span > < span class = "s" > " 不存在顶点" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-36" name = "__codelineno-13-36" href = "#__codelineno-13-36" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边 vet1 - vet2< / span >
< a id = "__codelineno-13-37" name = "__codelineno-13-37" href = "#__codelineno-13-37" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ].< / span > < span class = "n" > push_back< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-38" name = "__codelineno-13-38" href = "#__codelineno-13-38" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ].< / span > < span class = "n" > push_back< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-39" name = "__codelineno-13-39" href = "#__codelineno-13-39" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-40" name = "__codelineno-13-40" href = "#__codelineno-13-40" > < / a >
< a id = "__codelineno-13-41" name = "__codelineno-13-41" href = "#__codelineno-13-41" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-13-42" name = "__codelineno-13-42" href = "#__codelineno-13-42" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > removeEdge< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-43" name = "__codelineno-13-43" href = "#__codelineno-13-43" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > count< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > count< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-13-44" name = "__codelineno-13-44" href = "#__codelineno-13-44" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > invalid_argument< / span > < span class = "p" > (< / span > < span class = "s" > " 不存在顶点" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-45" name = "__codelineno-13-45" href = "#__codelineno-13-45" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-13-46" name = "__codelineno-13-46" href = "#__codelineno-13-46" > < / a > < span class = "w" > < / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-47" name = "__codelineno-13-47" href = "#__codelineno-13-47" > < / a > < span class = "w" > < / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-48" name = "__codelineno-13-48" href = "#__codelineno-13-48" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-49" name = "__codelineno-13-49" href = "#__codelineno-13-49" > < / a >
< a id = "__codelineno-13-50" name = "__codelineno-13-50" href = "#__codelineno-13-50" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-13-51" name = "__codelineno-13-51" href = "#__codelineno-13-51" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-52" name = "__codelineno-13-52" href = "#__codelineno-13-52" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > count< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ))< / span >
< a id = "__codelineno-13-53" name = "__codelineno-13-53" href = "#__codelineno-13-53" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-13-54" name = "__codelineno-13-54" href = "#__codelineno-13-54" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-13-55" name = "__codelineno-13-55" href = "#__codelineno-13-55" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *> < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-13-56" name = "__codelineno-13-56" href = "#__codelineno-13-56" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-57" name = "__codelineno-13-57" href = "#__codelineno-13-57" > < / a >
< a id = "__codelineno-13-58" name = "__codelineno-13-58" href = "#__codelineno-13-58" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-13-59" name = "__codelineno-13-59" href = "#__codelineno-13-59" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > removeVertex< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-60" name = "__codelineno-13-60" href = "#__codelineno-13-60" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > count< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ))< / span >
< a id = "__codelineno-13-61" name = "__codelineno-13-61" href = "#__codelineno-13-61" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > invalid_argument< / span > < span class = "p" > (< / span > < span class = "s" > " 不存在顶点" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-62" name = "__codelineno-13-62" href = "#__codelineno-13-62" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-13-63" name = "__codelineno-13-63" href = "#__codelineno-13-63" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > erase< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-64" name = "__codelineno-13-64" href = "#__codelineno-13-64" > < / a > < span class = "w" > < / span > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-13-65" name = "__codelineno-13-65" href = "#__codelineno-13-65" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "k" > auto< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > adj< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-66" name = "__codelineno-13-66" href = "#__codelineno-13-66" > < / a > < span class = "w" > < / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > adj< / span > < span class = "p" > .< / span > < span class = "n" > second< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-13-67" name = "__codelineno-13-67" href = "#__codelineno-13-67" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-68" name = "__codelineno-13-68" href = "#__codelineno-13-68" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-69" name = "__codelineno-13-69" href = "#__codelineno-13-69" > < / a >
< a id = "__codelineno-13-70" name = "__codelineno-13-70" href = "#__codelineno-13-70" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接表 */< / span >
< a id = "__codelineno-13-71" name = "__codelineno-13-71" href = "#__codelineno-13-71" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-72" name = "__codelineno-13-72" href = "#__codelineno-13-72" > < / a > < span class = "w" > < / span > < span class = "n" > cout< / span > < span class = "w" > < / span > < span class = "o" > < < < / span > < span class = "w" > < / span > < span class = "s" > " 邻接表 =" < / span > < span class = "w" > < / span > < span class = "o" > < < < / span > < span class = "w" > < / span > < span class = "n" > endl< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-13-73" name = "__codelineno-13-73" href = "#__codelineno-13-73" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "k" > auto< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > adj< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-74" name = "__codelineno-13-74" href = "#__codelineno-13-74" > < / a > < span class = "w" > < / span > < span class = "k" > const< / span > < span class = "w" > < / span > < span class = "k" > auto< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > key< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > adj< / span > < span class = "p" > .< / span > < span class = "n" > first< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-13-75" name = "__codelineno-13-75" href = "#__codelineno-13-75" > < / a > < span class = "w" > < / span > < span class = "k" > const< / span > < span class = "w" > < / span > < span class = "k" > auto< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > vec< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > adj< / span > < span class = "p" > .< / span > < span class = "n" > second< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-13-76" name = "__codelineno-13-76" href = "#__codelineno-13-76" > < / a > < span class = "w" > < / span > < span class = "n" > cout< / span > < span class = "w" > < / span > < span class = "o" > < < < / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "o" > -> < / span > < span class = "n" > val< / span > < span class = "w" > < / span > < span class = "o" > < < < / span > < span class = "w" > < / span > < span class = "s" > " : " < / span > < span class = "p" > ;< / span >
< a id = "__codelineno-13-77" name = "__codelineno-13-77" href = "#__codelineno-13-77" > < / a > < span class = "w" > < / span > < span class = "n" > printVector< / span > < span class = "p" > (< / span > < span class = "n" > vetsToVals< / span > < span class = "p" > (< / span > < span class = "n" > vec< / span > < span class = "p" > ));< / span >
< a id = "__codelineno-13-78" name = "__codelineno-13-78" href = "#__codelineno-13-78" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-79" name = "__codelineno-13-79" href = "#__codelineno-13-79" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-13-80" name = "__codelineno-13-80" href = "#__codelineno-13-80" > < / a > < span class = "p" > };< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.java< / span > < pre > < span > < / span > < code > < a id = "__codelineno-14-1" name = "__codelineno-14-1" href = "#__codelineno-14-1" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类 */< / span >
< a id = "__codelineno-14-2" name = "__codelineno-14-2" href = "#__codelineno-14-2" > < / a > < span class = "kd" > class< / span > < span class = "nc" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-3" name = "__codelineno-14-3" href = "#__codelineno-14-3" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接表， ， ： < / span >
< a id = "__codelineno-14-4" name = "__codelineno-14-4" href = "#__codelineno-14-4" > < / a > < span class = "w" > < / span > < span class = "n" > Map< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-14-5" name = "__codelineno-14-5" href = "#__codelineno-14-5" > < / a >
< a id = "__codelineno-14-6" name = "__codelineno-14-6" href = "#__codelineno-14-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-14-7" name = "__codelineno-14-7" href = "#__codelineno-14-7" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "nf" > GraphAdjList< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "o" > [][]< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-8" name = "__codelineno-14-8" href = "#__codelineno-14-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "na" > adjList< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > HashMap< / span > < span class = "o" > < > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-14-9" name = "__codelineno-14-9" href = "#__codelineno-14-9" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加所有顶点和边< / span >
< a id = "__codelineno-14-10" name = "__codelineno-14-10" href = "#__codelineno-14-10" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "o" > []< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "w" > < / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-11" name = "__codelineno-14-11" href = "#__codelineno-14-11" > < / a > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "o" > [< / span > < span class = "mi" > 0< / span > < span class = "o" > ]< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-12" name = "__codelineno-14-12" href = "#__codelineno-14-12" > < / a > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "o" > [< / span > < span class = "mi" > 1< / span > < span class = "o" > ]< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-13" name = "__codelineno-14-13" href = "#__codelineno-14-13" > < / a > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "o" > [< / span > < span class = "mi" > 0< / span > < span class = "o" > ]< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "o" > [< / span > < span class = "mi" > 1< / span > < span class = "o" > ]< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-14" name = "__codelineno-14-14" href = "#__codelineno-14-14" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-15" name = "__codelineno-14-15" href = "#__codelineno-14-15" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-16" name = "__codelineno-14-16" href = "#__codelineno-14-16" > < / a >
< a id = "__codelineno-14-17" name = "__codelineno-14-17" href = "#__codelineno-14-17" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-14-18" name = "__codelineno-14-18" href = "#__codelineno-14-18" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "nf" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-19" name = "__codelineno-14-19" href = "#__codelineno-14-19" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > size< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-14-20" name = "__codelineno-14-20" href = "#__codelineno-14-20" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-21" name = "__codelineno-14-21" href = "#__codelineno-14-21" > < / a >
< a id = "__codelineno-14-22" name = "__codelineno-14-22" href = "#__codelineno-14-22" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-14-23" name = "__codelineno-14-23" href = "#__codelineno-14-23" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-24" name = "__codelineno-14-24" href = "#__codelineno-14-24" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-14-25" name = "__codelineno-14-25" href = "#__codelineno-14-25" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > IllegalArgumentException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-14-26" name = "__codelineno-14-26" href = "#__codelineno-14-26" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边 vet1 - vet2< / span >
< a id = "__codelineno-14-27" name = "__codelineno-14-27" href = "#__codelineno-14-27" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > ).< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-28" name = "__codelineno-14-28" href = "#__codelineno-14-28" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > ).< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-29" name = "__codelineno-14-29" href = "#__codelineno-14-29" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-30" name = "__codelineno-14-30" href = "#__codelineno-14-30" > < / a >
< a id = "__codelineno-14-31" name = "__codelineno-14-31" href = "#__codelineno-14-31" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-14-32" name = "__codelineno-14-32" href = "#__codelineno-14-32" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > removeEdge< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-33" name = "__codelineno-14-33" href = "#__codelineno-14-33" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-14-34" name = "__codelineno-14-34" href = "#__codelineno-14-34" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > IllegalArgumentException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-14-35" name = "__codelineno-14-35" href = "#__codelineno-14-35" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-14-36" name = "__codelineno-14-36" href = "#__codelineno-14-36" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > ).< / span > < span class = "na" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-37" name = "__codelineno-14-37" href = "#__codelineno-14-37" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > ).< / span > < span class = "na" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-38" name = "__codelineno-14-38" href = "#__codelineno-14-38" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-39" name = "__codelineno-14-39" href = "#__codelineno-14-39" > < / a >
< a id = "__codelineno-14-40" name = "__codelineno-14-40" href = "#__codelineno-14-40" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-14-41" name = "__codelineno-14-41" href = "#__codelineno-14-41" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-42" name = "__codelineno-14-42" href = "#__codelineno-14-42" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ))< / span >
< a id = "__codelineno-14-43" name = "__codelineno-14-43" href = "#__codelineno-14-43" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-14-44" name = "__codelineno-14-44" href = "#__codelineno-14-44" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-14-45" name = "__codelineno-14-45" href = "#__codelineno-14-45" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > put< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > ArrayList< / span > < span class = "o" > < > < / span > < span class = "p" > ());< / span >
< a id = "__codelineno-14-46" name = "__codelineno-14-46" href = "#__codelineno-14-46" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-47" name = "__codelineno-14-47" href = "#__codelineno-14-47" > < / a >
< a id = "__codelineno-14-48" name = "__codelineno-14-48" href = "#__codelineno-14-48" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-14-49" name = "__codelineno-14-49" href = "#__codelineno-14-49" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > removeVertex< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-50" name = "__codelineno-14-50" href = "#__codelineno-14-50" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ))< / span >
< a id = "__codelineno-14-51" name = "__codelineno-14-51" href = "#__codelineno-14-51" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > IllegalArgumentException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-14-52" name = "__codelineno-14-52" href = "#__codelineno-14-52" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-14-53" name = "__codelineno-14-53" href = "#__codelineno-14-53" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-54" name = "__codelineno-14-54" href = "#__codelineno-14-54" > < / a > < span class = "w" > < / span > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-14-55" name = "__codelineno-14-55" href = "#__codelineno-14-55" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "w" > < / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > values< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-56" name = "__codelineno-14-56" href = "#__codelineno-14-56" > < / a > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "p" > .< / span > < span class = "na" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-57" name = "__codelineno-14-57" href = "#__codelineno-14-57" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-58" name = "__codelineno-14-58" href = "#__codelineno-14-58" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-59" name = "__codelineno-14-59" href = "#__codelineno-14-59" > < / a >
< a id = "__codelineno-14-60" name = "__codelineno-14-60" href = "#__codelineno-14-60" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接表 */< / span >
< a id = "__codelineno-14-61" name = "__codelineno-14-61" href = "#__codelineno-14-61" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-62" name = "__codelineno-14-62" href = "#__codelineno-14-62" > < / a > < span class = "w" > < / span > < span class = "n" > System< / span > < span class = "p" > .< / span > < span class = "na" > out< / span > < span class = "p" > .< / span > < span class = "na" > println< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接表 =" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-63" name = "__codelineno-14-63" href = "#__codelineno-14-63" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Map< / span > < span class = "p" > .< / span > < span class = "na" > Entry< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "na" > entrySet< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-14-64" name = "__codelineno-14-64" href = "#__codelineno-14-64" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Integer< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > tmp< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > ArrayList< / span > < span class = "o" > < > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-14-65" name = "__codelineno-14-65" href = "#__codelineno-14-65" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vertex< / span > < span class = "w" > < / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "na" > getValue< / span > < span class = "p" > ())< / span >
< a id = "__codelineno-14-66" name = "__codelineno-14-66" href = "#__codelineno-14-66" > < / a > < span class = "w" > < / span > < span class = "n" > tmp< / span > < span class = "p" > .< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "n" > vertex< / span > < span class = "p" > .< / span > < span class = "na" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-67" name = "__codelineno-14-67" href = "#__codelineno-14-67" > < / a > < span class = "w" > < / span > < span class = "n" > System< / span > < span class = "p" > .< / span > < span class = "na" > out< / span > < span class = "p" > .< / span > < span class = "na" > println< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "na" > getKey< / span > < span class = "p" > ().< / span > < span class = "na" > val< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "s" > " : " < / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "n" > tmp< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "s" > " ," < / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-68" name = "__codelineno-14-68" href = "#__codelineno-14-68" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-69" name = "__codelineno-14-69" href = "#__codelineno-14-69" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-14-70" name = "__codelineno-14-70" href = "#__codelineno-14-70" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.cs< / span > < pre > < span > < / span > < code > < a id = "__codelineno-15-1" name = "__codelineno-15-1" href = "#__codelineno-15-1" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类 */< / span >
< a id = "__codelineno-15-2" name = "__codelineno-15-2" href = "#__codelineno-15-2" > < / a > < span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-15-3" name = "__codelineno-15-3" href = "#__codelineno-15-3" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接表， ， ： < / span >
< a id = "__codelineno-15-4" name = "__codelineno-15-4" href = "#__codelineno-15-4" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "n" > Dictionary< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-15-5" name = "__codelineno-15-5" href = "#__codelineno-15-5" > < / a >
< a id = "__codelineno-15-6" name = "__codelineno-15-6" href = "#__codelineno-15-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造函数 */< / span >
< a id = "__codelineno-15-7" name = "__codelineno-15-7" href = "#__codelineno-15-7" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nf" > GraphAdjList< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "p" > [][]< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-15-8" name = "__codelineno-15-8" href = "#__codelineno-15-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "n" > adjList< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > Dictionary< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-15-9" name = "__codelineno-15-9" href = "#__codelineno-15-9" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加所有顶点和边< / span >
< a id = "__codelineno-15-10" name = "__codelineno-15-10" href = "#__codelineno-15-10" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "p" > []< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-15-11" name = "__codelineno-15-11" href = "#__codelineno-15-11" > < / a > < span class = "w" > < / span > < span class = "n" > AddVertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-15-12" name = "__codelineno-15-12" href = "#__codelineno-15-12" > < / a > < span class = "w" > < / span > < span class = "n" > AddVertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-15-13" name = "__codelineno-15-13" href = "#__codelineno-15-13" > < / a > < span class = "w" > < / span > < span class = "n" > AddEdge< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ]);< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-15-14" name = "__codelineno-15-14" href = "#__codelineno-15-14" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-15" name = "__codelineno-15-15" href = "#__codelineno-15-15" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-16" name = "__codelineno-15-16" href = "#__codelineno-15-16" > < / a >
< a id = "__codelineno-15-17" name = "__codelineno-15-17" href = "#__codelineno-15-17" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-15-18" name = "__codelineno-15-18" href = "#__codelineno-15-18" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "nf" > Size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-15-19" name = "__codelineno-15-19" href = "#__codelineno-15-19" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > Count< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-15-20" name = "__codelineno-15-20" href = "#__codelineno-15-20" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-21" name = "__codelineno-15-21" href = "#__codelineno-15-21" > < / a >
< a id = "__codelineno-15-22" name = "__codelineno-15-22" href = "#__codelineno-15-22" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-15-23" name = "__codelineno-15-23" href = "#__codelineno-15-23" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > AddEdge< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-15-24" name = "__codelineno-15-24" href = "#__codelineno-15-24" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > ContainsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > ContainsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-15-25" name = "__codelineno-15-25" href = "#__codelineno-15-25" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "nf" > InvalidOperationException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-15-26" name = "__codelineno-15-26" href = "#__codelineno-15-26" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边 vet1 - vet2< / span >
< a id = "__codelineno-15-27" name = "__codelineno-15-27" href = "#__codelineno-15-27" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ].< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-28" name = "__codelineno-15-28" href = "#__codelineno-15-28" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ].< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-29" name = "__codelineno-15-29" href = "#__codelineno-15-29" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-30" name = "__codelineno-15-30" href = "#__codelineno-15-30" > < / a >
< a id = "__codelineno-15-31" name = "__codelineno-15-31" href = "#__codelineno-15-31" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-15-32" name = "__codelineno-15-32" href = "#__codelineno-15-32" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > RemoveEdge< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-15-33" name = "__codelineno-15-33" href = "#__codelineno-15-33" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > ContainsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > ContainsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-15-34" name = "__codelineno-15-34" href = "#__codelineno-15-34" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "nf" > InvalidOperationException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-15-35" name = "__codelineno-15-35" href = "#__codelineno-15-35" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-15-36" name = "__codelineno-15-36" href = "#__codelineno-15-36" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ].< / span > < span class = "n" > Remove< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-37" name = "__codelineno-15-37" href = "#__codelineno-15-37" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ].< / span > < span class = "n" > Remove< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-38" name = "__codelineno-15-38" href = "#__codelineno-15-38" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-39" name = "__codelineno-15-39" href = "#__codelineno-15-39" > < / a >
< a id = "__codelineno-15-40" name = "__codelineno-15-40" href = "#__codelineno-15-40" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-15-41" name = "__codelineno-15-41" href = "#__codelineno-15-41" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > AddVertex< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-15-42" name = "__codelineno-15-42" href = "#__codelineno-15-42" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > ContainsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ))< / span >
< a id = "__codelineno-15-43" name = "__codelineno-15-43" href = "#__codelineno-15-43" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-15-44" name = "__codelineno-15-44" href = "#__codelineno-15-44" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-15-45" name = "__codelineno-15-45" href = "#__codelineno-15-45" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > < / span > < span class = "p" > ());< / span >
< a id = "__codelineno-15-46" name = "__codelineno-15-46" href = "#__codelineno-15-46" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-47" name = "__codelineno-15-47" href = "#__codelineno-15-47" > < / a >
< a id = "__codelineno-15-48" name = "__codelineno-15-48" href = "#__codelineno-15-48" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-15-49" name = "__codelineno-15-49" href = "#__codelineno-15-49" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > RemoveVertex< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-15-50" name = "__codelineno-15-50" href = "#__codelineno-15-50" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > ContainsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ))< / span >
< a id = "__codelineno-15-51" name = "__codelineno-15-51" href = "#__codelineno-15-51" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "nf" > InvalidOperationException< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-15-52" name = "__codelineno-15-52" href = "#__codelineno-15-52" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-15-53" name = "__codelineno-15-53" href = "#__codelineno-15-53" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > Remove< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-54" name = "__codelineno-15-54" href = "#__codelineno-15-54" > < / a > < span class = "w" > < / span > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-15-55" name = "__codelineno-15-55" href = "#__codelineno-15-55" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > Values< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-15-56" name = "__codelineno-15-56" href = "#__codelineno-15-56" > < / a > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "p" > .< / span > < span class = "n" > Remove< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-57" name = "__codelineno-15-57" href = "#__codelineno-15-57" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-58" name = "__codelineno-15-58" href = "#__codelineno-15-58" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-59" name = "__codelineno-15-59" href = "#__codelineno-15-59" > < / a >
< a id = "__codelineno-15-60" name = "__codelineno-15-60" href = "#__codelineno-15-60" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接表 */< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-15-61" name = "__codelineno-15-61" href = "#__codelineno-15-61" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "k" > void< / span > < span class = "w" > < / span > < span class = "nf" > Print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-15-62" name = "__codelineno-15-62" href = "#__codelineno-15-62" > < / a > < span class = "w" > < / span > < span class = "n" > Console< / span > < span class = "p" > .< / span > < span class = "n" > WriteLine< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接表 =" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-63" name = "__codelineno-15-63" href = "#__codelineno-15-63" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > KeyValuePair< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-10-08 01:43:42 +08:00
< a id = "__codelineno-15-64" name = "__codelineno-15-64" href = "#__codelineno-15-64" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > tmp< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "p" > ();< / span >
2023-10-06 14:10:31 +08:00
< a id = "__codelineno-15-65" name = "__codelineno-15-65" href = "#__codelineno-15-65" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vertex< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "n" > Value< / span > < span class = "p" > )< / span >
< a id = "__codelineno-15-66" name = "__codelineno-15-66" href = "#__codelineno-15-66" > < / a > < span class = "w" > < / span > < span class = "n" > tmp< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "n" > vertex< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-67" name = "__codelineno-15-67" href = "#__codelineno-15-67" > < / a > < span class = "w" > < / span > < span class = "n" > Console< / span > < span class = "p" > .< / span > < span class = "n" > WriteLine< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "n" > Key< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "s" > " : [" < / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "p" > .< / span > < span class = "n" > Join< / span > < span class = "p" > (< / span > < span class = "s" > " , " < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > tmp< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "s" > " ]," < / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-68" name = "__codelineno-15-68" href = "#__codelineno-15-68" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-69" name = "__codelineno-15-69" href = "#__codelineno-15-69" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-15-70" name = "__codelineno-15-70" href = "#__codelineno-15-70" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.go< / span > < pre > < span > < / span > < code > < a id = "__codelineno-16-1" name = "__codelineno-16-1" href = "#__codelineno-16-1" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类 */< / span >
< a id = "__codelineno-16-2" name = "__codelineno-16-2" href = "#__codelineno-16-2" > < / a > < span class = "kd" > type< / span > < span class = "w" > < / span > < span class = "nx" > graphAdjList< / span > < span class = "w" > < / span > < span class = "kd" > struct< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-3" name = "__codelineno-16-3" href = "#__codelineno-16-3" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接表， ， ： < / span >
< a id = "__codelineno-16-4" name = "__codelineno-16-4" href = "#__codelineno-16-4" > < / a > < span class = "w" > < / span > < span class = "nx" > adjList< / span > < span class = "w" > < / span > < span class = "kd" > map< / span > < span class = "p" > [< / span > < span class = "nx" > Vertex< / span > < span class = "p" > ][]< / span > < span class = "nx" > Vertex< / span >
< a id = "__codelineno-16-5" name = "__codelineno-16-5" href = "#__codelineno-16-5" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-16-6" name = "__codelineno-16-6" href = "#__codelineno-16-6" > < / a >
< a id = "__codelineno-16-7" name = "__codelineno-16-7" href = "#__codelineno-16-7" > < / a > < span class = "cm" > /* 构造函数 */< / span >
< a id = "__codelineno-16-8" name = "__codelineno-16-8" href = "#__codelineno-16-8" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "nx" > newGraphAdjList< / span > < span class = "p" > (< / span > < span class = "nx" > edges< / span > < span class = "w" > < / span > < span class = "p" > [][]< / span > < span class = "nx" > Vertex< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-9" name = "__codelineno-16-9" href = "#__codelineno-16-9" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "nx" > graphAdjList< / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-10" name = "__codelineno-16-10" href = "#__codelineno-16-10" > < / a > < span class = "w" > < / span > < span class = "nx" > adjList< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "nb" > make< / span > < span class = "p" > (< / span > < span class = "kd" > map< / span > < span class = "p" > [< / span > < span class = "nx" > Vertex< / span > < span class = "p" > ][]< / span > < span class = "nx" > Vertex< / span > < span class = "p" > ),< / span >
< a id = "__codelineno-16-11" name = "__codelineno-16-11" href = "#__codelineno-16-11" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-16-12" name = "__codelineno-16-12" href = "#__codelineno-16-12" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加所有顶点和边< / span >
< a id = "__codelineno-16-13" name = "__codelineno-16-13" href = "#__codelineno-16-13" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > _< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > edge< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "k" > range< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-14" name = "__codelineno-16-14" href = "#__codelineno-16-14" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-16-15" name = "__codelineno-16-15" href = "#__codelineno-16-15" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-16-16" name = "__codelineno-16-16" href = "#__codelineno-16-16" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-16-17" name = "__codelineno-16-17" href = "#__codelineno-16-17" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-16-18" name = "__codelineno-16-18" href = "#__codelineno-16-18" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > g< / span >
< a id = "__codelineno-16-19" name = "__codelineno-16-19" href = "#__codelineno-16-19" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-16-20" name = "__codelineno-16-20" href = "#__codelineno-16-20" > < / a >
< a id = "__codelineno-16-21" name = "__codelineno-16-21" href = "#__codelineno-16-21" > < / a > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-16-22" name = "__codelineno-16-22" href = "#__codelineno-16-22" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-23" name = "__codelineno-16-23" href = "#__codelineno-16-23" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nb" > len< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-24" name = "__codelineno-16-24" href = "#__codelineno-16-24" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-16-25" name = "__codelineno-16-25" href = "#__codelineno-16-25" > < / a >
< a id = "__codelineno-16-26" name = "__codelineno-16-26" href = "#__codelineno-16-26" > < / a > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-16-27" name = "__codelineno-16-27" href = "#__codelineno-16-27" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "w" > < / span > < span class = "nx" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "w" > < / span > < span class = "nx" > Vertex< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-28" name = "__codelineno-16-28" href = "#__codelineno-16-28" > < / a > < span class = "w" > < / span > < span class = "nx" > _< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > ok1< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet1< / span > < span class = "p" > ]< / span >
< a id = "__codelineno-16-29" name = "__codelineno-16-29" href = "#__codelineno-16-29" > < / a > < span class = "w" > < / span > < span class = "nx" > _< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > ok2< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet2< / span > < span class = "p" > ]< / span >
< a id = "__codelineno-16-30" name = "__codelineno-16-30" href = "#__codelineno-16-30" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > !< / span > < span class = "nx" > ok1< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "p" > !< / span > < span class = "nx" > ok2< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-31" name = "__codelineno-16-31" href = "#__codelineno-16-31" > < / a > < span class = "w" > < / span > < span class = "nb" > panic< / span > < span class = "p" > (< / span > < span class = "s" > " error" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-32" name = "__codelineno-16-32" href = "#__codelineno-16-32" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-16-33" name = "__codelineno-16-33" href = "#__codelineno-16-33" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边 vet1 - vet2, 添加匿名 struct{},< / span >
< a id = "__codelineno-16-34" name = "__codelineno-16-34" href = "#__codelineno-16-34" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet1< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > append< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet1< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-35" name = "__codelineno-16-35" href = "#__codelineno-16-35" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet2< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > append< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet2< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > vet1< / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-36" name = "__codelineno-16-36" href = "#__codelineno-16-36" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-16-37" name = "__codelineno-16-37" href = "#__codelineno-16-37" > < / a >
< a id = "__codelineno-16-38" name = "__codelineno-16-38" href = "#__codelineno-16-38" > < / a > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-16-39" name = "__codelineno-16-39" href = "#__codelineno-16-39" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > removeEdge< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "w" > < / span > < span class = "nx" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "w" > < / span > < span class = "nx" > Vertex< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-40" name = "__codelineno-16-40" href = "#__codelineno-16-40" > < / a > < span class = "w" > < / span > < span class = "nx" > _< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > ok1< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet1< / span > < span class = "p" > ]< / span >
< a id = "__codelineno-16-41" name = "__codelineno-16-41" href = "#__codelineno-16-41" > < / a > < span class = "w" > < / span > < span class = "nx" > _< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > ok2< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet2< / span > < span class = "p" > ]< / span >
< a id = "__codelineno-16-42" name = "__codelineno-16-42" href = "#__codelineno-16-42" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > !< / span > < span class = "nx" > ok1< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "p" > !< / span > < span class = "nx" > ok2< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "nx" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-43" name = "__codelineno-16-43" href = "#__codelineno-16-43" > < / a > < span class = "w" > < / span > < span class = "nb" > panic< / span > < span class = "p" > (< / span > < span class = "s" > " error" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-44" name = "__codelineno-16-44" href = "#__codelineno-16-44" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-16-45" name = "__codelineno-16-45" href = "#__codelineno-16-45" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-16-46" name = "__codelineno-16-46" href = "#__codelineno-16-46" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet1< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nx" > DeleteSliceElms< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet1< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-47" name = "__codelineno-16-47" href = "#__codelineno-16-47" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet2< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nx" > DeleteSliceElms< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet2< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > vet1< / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-48" name = "__codelineno-16-48" href = "#__codelineno-16-48" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-16-49" name = "__codelineno-16-49" href = "#__codelineno-16-49" > < / a >
< a id = "__codelineno-16-50" name = "__codelineno-16-50" href = "#__codelineno-16-50" > < / a > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-16-51" name = "__codelineno-16-51" href = "#__codelineno-16-51" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "w" > < / span > < span class = "nx" > Vertex< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-52" name = "__codelineno-16-52" href = "#__codelineno-16-52" > < / a > < span class = "w" > < / span > < span class = "nx" > _< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > ok< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet< / span > < span class = "p" > ]< / span >
< a id = "__codelineno-16-53" name = "__codelineno-16-53" href = "#__codelineno-16-53" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "nx" > ok< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-54" name = "__codelineno-16-54" href = "#__codelineno-16-54" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span >
< a id = "__codelineno-16-55" name = "__codelineno-16-55" href = "#__codelineno-16-55" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-16-56" name = "__codelineno-16-56" href = "#__codelineno-16-56" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-16-57" name = "__codelineno-16-57" href = "#__codelineno-16-57" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nb" > make< / span > < span class = "p" > ([]< / span > < span class = "nx" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-58" name = "__codelineno-16-58" href = "#__codelineno-16-58" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-16-59" name = "__codelineno-16-59" href = "#__codelineno-16-59" > < / a >
< a id = "__codelineno-16-60" name = "__codelineno-16-60" href = "#__codelineno-16-60" > < / a > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-16-61" name = "__codelineno-16-61" href = "#__codelineno-16-61" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > removeVertex< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "w" > < / span > < span class = "nx" > Vertex< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-62" name = "__codelineno-16-62" href = "#__codelineno-16-62" > < / a > < span class = "w" > < / span > < span class = "nx" > _< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > ok< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > vet< / span > < span class = "p" > ]< / span >
< a id = "__codelineno-16-63" name = "__codelineno-16-63" href = "#__codelineno-16-63" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > !< / span > < span class = "nx" > ok< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-64" name = "__codelineno-16-64" href = "#__codelineno-16-64" > < / a > < span class = "w" > < / span > < span class = "nb" > panic< / span > < span class = "p" > (< / span > < span class = "s" > " error" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-65" name = "__codelineno-16-65" href = "#__codelineno-16-65" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-16-66" name = "__codelineno-16-66" href = "#__codelineno-16-66" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-16-67" name = "__codelineno-16-67" href = "#__codelineno-16-67" > < / a > < span class = "w" > < / span > < span class = "nb" > delete< / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > vet< / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-68" name = "__codelineno-16-68" href = "#__codelineno-16-68" > < / a > < span class = "w" > < / span > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-16-69" name = "__codelineno-16-69" href = "#__codelineno-16-69" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > v< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > list< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "k" > range< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-70" name = "__codelineno-16-70" href = "#__codelineno-16-70" > < / a > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > [< / span > < span class = "nx" > v< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nx" > DeleteSliceElms< / span > < span class = "p" > (< / span > < span class = "nx" > list< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > vet< / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-71" name = "__codelineno-16-71" href = "#__codelineno-16-71" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-16-72" name = "__codelineno-16-72" href = "#__codelineno-16-72" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-16-73" name = "__codelineno-16-73" href = "#__codelineno-16-73" > < / a >
< a id = "__codelineno-16-74" name = "__codelineno-16-74" href = "#__codelineno-16-74" > < / a > < span class = "cm" > /* 打印邻接表 */< / span >
< a id = "__codelineno-16-75" name = "__codelineno-16-75" href = "#__codelineno-16-75" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > g< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > graphAdjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nb" > print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-76" name = "__codelineno-16-76" href = "#__codelineno-16-76" > < / a > < span class = "w" > < / span > < span class = "kd" > var< / span > < span class = "w" > < / span > < span class = "nx" > builder< / span > < span class = "w" > < / span > < span class = "nx" > strings< / span > < span class = "p" > .< / span > < span class = "nx" > Builder< / span >
< a id = "__codelineno-16-77" name = "__codelineno-16-77" href = "#__codelineno-16-77" > < / a > < span class = "w" > < / span > < span class = "nx" > fmt< / span > < span class = "p" > .< / span > < span class = "nx" > Printf< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接表 = \n" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-78" name = "__codelineno-16-78" href = "#__codelineno-16-78" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > k< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > v< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "k" > range< / span > < span class = "w" > < / span > < span class = "nx" > g< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-79" name = "__codelineno-16-79" href = "#__codelineno-16-79" > < / a > < span class = "w" > < / span > < span class = "nx" > builder< / span > < span class = "p" > .< / span > < span class = "nx" > WriteString< / span > < span class = "p" > (< / span > < span class = "s" > " \t\t" < / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "nx" > strconv< / span > < span class = "p" > .< / span > < span class = "nx" > Itoa< / span > < span class = "p" > (< / span > < span class = "nx" > k< / span > < span class = "p" > .< / span > < span class = "nx" > Val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "s" > " : " < / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-80" name = "__codelineno-16-80" href = "#__codelineno-16-80" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > _< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > vet< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "k" > range< / span > < span class = "w" > < / span > < span class = "nx" > v< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-16-81" name = "__codelineno-16-81" href = "#__codelineno-16-81" > < / a > < span class = "w" > < / span > < span class = "nx" > builder< / span > < span class = "p" > .< / span > < span class = "nx" > WriteString< / span > < span class = "p" > (< / span > < span class = "nx" > strconv< / span > < span class = "p" > .< / span > < span class = "nx" > Itoa< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > .< / span > < span class = "nx" > Val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "s" > " " < / span > < span class = "p" > )< / span >
< a id = "__codelineno-16-82" name = "__codelineno-16-82" href = "#__codelineno-16-82" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-16-83" name = "__codelineno-16-83" href = "#__codelineno-16-83" > < / a > < span class = "w" > < / span > < span class = "nx" > fmt< / span > < span class = "p" > .< / span > < span class = "nx" > Println< / span > < span class = "p" > (< / span > < span class = "nx" > builder< / span > < span class = "p" > .< / span > < span class = "nx" > String< / span > < span class = "p" > ())< / span >
< a id = "__codelineno-16-84" name = "__codelineno-16-84" href = "#__codelineno-16-84" > < / a > < span class = "w" > < / span > < span class = "nx" > builder< / span > < span class = "p" > .< / span > < span class = "nx" > Reset< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-16-85" name = "__codelineno-16-85" href = "#__codelineno-16-85" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-16-86" name = "__codelineno-16-86" href = "#__codelineno-16-86" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.swift< / span > < pre > < span > < / span > < code > < a id = "__codelineno-17-1" name = "__codelineno-17-1" href = "#__codelineno-17-1" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类 */< / span >
< a id = "__codelineno-17-2" name = "__codelineno-17-2" href = "#__codelineno-17-2" > < / a > < span class = "kd" > class< / span > < span class = "nc" > GraphAdjList< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-3" name = "__codelineno-17-3" href = "#__codelineno-17-3" > < / a > < span class = "c1" > // 邻接表， ， ： < / span >
< a id = "__codelineno-17-4" name = "__codelineno-17-4" href = "#__codelineno-17-4" > < / a > < span class = "kd" > public< / span > < span class = "kd" > private< / span > < span class = "p" > (< / span > < span class = "kr" > set< / span > < span class = "p" > )< / span > < span class = "kd" > var< / span > < span class = "nv" > adjList< / span > < span class = "p" > :< / span > < span class = "p" > [< / span > < span class = "n" > Vertex< / span > < span class = "p" > :< / span > < span class = "p" > [< / span > < span class = "n" > Vertex< / span > < span class = "p" > ]]< / span >
< a id = "__codelineno-17-5" name = "__codelineno-17-5" href = "#__codelineno-17-5" > < / a >
< a id = "__codelineno-17-6" name = "__codelineno-17-6" href = "#__codelineno-17-6" > < / a > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-17-7" name = "__codelineno-17-7" href = "#__codelineno-17-7" > < / a > < span class = "kd" > public< / span > < span class = "kd" > init< / span > < span class = "p" > (< / span > < span class = "n" > edges< / span > < span class = "p" > :< / span > < span class = "p" > [[< / span > < span class = "n" > Vertex< / span > < span class = "p" > ]])< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-8" name = "__codelineno-17-8" href = "#__codelineno-17-8" > < / a > < span class = "n" > adjList< / span > < span class = "p" > =< / span > < span class = "p" > [:]< / span >
< a id = "__codelineno-17-9" name = "__codelineno-17-9" href = "#__codelineno-17-9" > < / a > < span class = "c1" > // 添加所有顶点和边< / span >
< a id = "__codelineno-17-10" name = "__codelineno-17-10" href = "#__codelineno-17-10" > < / a > < span class = "k" > for< / span > < span class = "n" > edge< / span > < span class = "k" > in< / span > < span class = "n" > edges< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-11" name = "__codelineno-17-11" href = "#__codelineno-17-11" > < / a > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > :< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-17-12" name = "__codelineno-17-12" href = "#__codelineno-17-12" > < / a > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > :< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-17-13" name = "__codelineno-17-13" href = "#__codelineno-17-13" > < / a > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > :< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "n" > vet2< / span > < span class = "p" > :< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ])< / span >
< a id = "__codelineno-17-14" name = "__codelineno-17-14" href = "#__codelineno-17-14" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-15" name = "__codelineno-17-15" href = "#__codelineno-17-15" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-16" name = "__codelineno-17-16" href = "#__codelineno-17-16" > < / a >
< a id = "__codelineno-17-17" name = "__codelineno-17-17" href = "#__codelineno-17-17" > < / a > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-17-18" name = "__codelineno-17-18" href = "#__codelineno-17-18" > < / a > < span class = "kd" > public< / span > < span class = "kd" > func< / span > < span class = "nf" > size< / span > < span class = "p" > ()< / span > < span class = "p" > -> < / span > < span class = "nb" > Int< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-19" name = "__codelineno-17-19" href = "#__codelineno-17-19" > < / a > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "bp" > count< / span >
< a id = "__codelineno-17-20" name = "__codelineno-17-20" href = "#__codelineno-17-20" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-21" name = "__codelineno-17-21" href = "#__codelineno-17-21" > < / a >
< a id = "__codelineno-17-22" name = "__codelineno-17-22" href = "#__codelineno-17-22" > < / a > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-17-23" name = "__codelineno-17-23" href = "#__codelineno-17-23" > < / a > < span class = "kd" > public< / span > < span class = "kd" > func< / span > < span class = "nf" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "n" > vet2< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-24" name = "__codelineno-17-24" href = "#__codelineno-17-24" > < / a > < span class = "k" > if< / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ]< / span > < span class = "p" > ==< / span > < span class = "kc" > nil< / span > < span class = "o" > ||< / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ]< / span > < span class = "p" > ==< / span > < span class = "kc" > nil< / span > < span class = "o" > ||< / span > < span class = "n" > vet1< / span > < span class = "p" > ==< / span > < span class = "n" > vet2< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-25" name = "__codelineno-17-25" href = "#__codelineno-17-25" > < / a > < span class = "bp" > fatalError< / span > < span class = "p" > (< / span > < span class = "s" > " 参数错误" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-26" name = "__codelineno-17-26" href = "#__codelineno-17-26" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-27" name = "__codelineno-17-27" href = "#__codelineno-17-27" > < / a > < span class = "c1" > // 添加边 vet1 - vet2< / span >
< a id = "__codelineno-17-28" name = "__codelineno-17-28" href = "#__codelineno-17-28" > < / a > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ]?.< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-29" name = "__codelineno-17-29" href = "#__codelineno-17-29" > < / a > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ]?.< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-30" name = "__codelineno-17-30" href = "#__codelineno-17-30" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-31" name = "__codelineno-17-31" href = "#__codelineno-17-31" > < / a >
< a id = "__codelineno-17-32" name = "__codelineno-17-32" href = "#__codelineno-17-32" > < / a > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-17-33" name = "__codelineno-17-33" href = "#__codelineno-17-33" > < / a > < span class = "kd" > public< / span > < span class = "kd" > func< / span > < span class = "nf" > removeEdge< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "n" > vet2< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-34" name = "__codelineno-17-34" href = "#__codelineno-17-34" > < / a > < span class = "k" > if< / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ]< / span > < span class = "p" > ==< / span > < span class = "kc" > nil< / span > < span class = "o" > ||< / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ]< / span > < span class = "p" > ==< / span > < span class = "kc" > nil< / span > < span class = "o" > ||< / span > < span class = "n" > vet1< / span > < span class = "p" > ==< / span > < span class = "n" > vet2< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-35" name = "__codelineno-17-35" href = "#__codelineno-17-35" > < / a > < span class = "bp" > fatalError< / span > < span class = "p" > (< / span > < span class = "s" > " 参数错误" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-36" name = "__codelineno-17-36" href = "#__codelineno-17-36" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-37" name = "__codelineno-17-37" href = "#__codelineno-17-37" > < / a > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-17-38" name = "__codelineno-17-38" href = "#__codelineno-17-38" > < / a > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ]?.< / span > < span class = "bp" > removeAll< / span > < span class = "p" > (< / span > < span class = "k" > where< / span > < span class = "p" > :< / span > < span class = "p" > {< / span > < span class = "nv" > $0< / span > < span class = "p" > ==< / span > < span class = "n" > vet2< / span > < span class = "p" > })< / span >
< a id = "__codelineno-17-39" name = "__codelineno-17-39" href = "#__codelineno-17-39" > < / a > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ]?.< / span > < span class = "bp" > removeAll< / span > < span class = "p" > (< / span > < span class = "k" > where< / span > < span class = "p" > :< / span > < span class = "p" > {< / span > < span class = "nv" > $0< / span > < span class = "p" > ==< / span > < span class = "n" > vet1< / span > < span class = "p" > })< / span >
< a id = "__codelineno-17-40" name = "__codelineno-17-40" href = "#__codelineno-17-40" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-41" name = "__codelineno-17-41" href = "#__codelineno-17-41" > < / a >
< a id = "__codelineno-17-42" name = "__codelineno-17-42" href = "#__codelineno-17-42" > < / a > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-17-43" name = "__codelineno-17-43" href = "#__codelineno-17-43" > < / a > < span class = "kd" > public< / span > < span class = "kd" > func< / span > < span class = "nf" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-44" name = "__codelineno-17-44" href = "#__codelineno-17-44" > < / a > < span class = "k" > if< / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet< / span > < span class = "p" > ]< / span > < span class = "o" > !=< / span > < span class = "kc" > nil< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-45" name = "__codelineno-17-45" href = "#__codelineno-17-45" > < / a > < span class = "k" > return< / span >
< a id = "__codelineno-17-46" name = "__codelineno-17-46" href = "#__codelineno-17-46" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-47" name = "__codelineno-17-47" href = "#__codelineno-17-47" > < / a > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-17-48" name = "__codelineno-17-48" href = "#__codelineno-17-48" > < / a > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "p" > []< / span >
< a id = "__codelineno-17-49" name = "__codelineno-17-49" href = "#__codelineno-17-49" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-50" name = "__codelineno-17-50" href = "#__codelineno-17-50" > < / a >
< a id = "__codelineno-17-51" name = "__codelineno-17-51" href = "#__codelineno-17-51" > < / a > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-17-52" name = "__codelineno-17-52" href = "#__codelineno-17-52" > < / a > < span class = "kd" > public< / span > < span class = "kd" > func< / span > < span class = "nf" > removeVertex< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > :< / span > < span class = "n" > Vertex< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-53" name = "__codelineno-17-53" href = "#__codelineno-17-53" > < / a > < span class = "k" > if< / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet< / span > < span class = "p" > ]< / span > < span class = "p" > ==< / span > < span class = "kc" > nil< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-54" name = "__codelineno-17-54" href = "#__codelineno-17-54" > < / a > < span class = "bp" > fatalError< / span > < span class = "p" > (< / span > < span class = "s" > " 参数错误" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-55" name = "__codelineno-17-55" href = "#__codelineno-17-55" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-56" name = "__codelineno-17-56" href = "#__codelineno-17-56" > < / a > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-17-57" name = "__codelineno-17-57" href = "#__codelineno-17-57" > < / a > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > removeValue< / span > < span class = "p" > (< / span > < span class = "n" > forKey< / span > < span class = "p" > :< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-58" name = "__codelineno-17-58" href = "#__codelineno-17-58" > < / a > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-17-59" name = "__codelineno-17-59" href = "#__codelineno-17-59" > < / a > < span class = "k" > for< / span > < span class = "n" > key< / span > < span class = "k" > in< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > keys< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-60" name = "__codelineno-17-60" href = "#__codelineno-17-60" > < / a > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > key< / span > < span class = "p" > ]?.< / span > < span class = "bp" > removeAll< / span > < span class = "p" > (< / span > < span class = "k" > where< / span > < span class = "p" > :< / span > < span class = "p" > {< / span > < span class = "nv" > $0< / span > < span class = "p" > ==< / span > < span class = "n" > vet< / span > < span class = "p" > })< / span >
< a id = "__codelineno-17-61" name = "__codelineno-17-61" href = "#__codelineno-17-61" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-62" name = "__codelineno-17-62" href = "#__codelineno-17-62" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-63" name = "__codelineno-17-63" href = "#__codelineno-17-63" > < / a >
< a id = "__codelineno-17-64" name = "__codelineno-17-64" href = "#__codelineno-17-64" > < / a > < span class = "cm" > /* 打印邻接表 */< / span >
< a id = "__codelineno-17-65" name = "__codelineno-17-65" href = "#__codelineno-17-65" > < / a > < span class = "kd" > public< / span > < span class = "kd" > func< / span > < span class = "nf" > print< / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-66" name = "__codelineno-17-66" href = "#__codelineno-17-66" > < / a > < span class = "n" > Swift< / span > < span class = "p" > .< / span > < span class = "bp" > print< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接表 =" < / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-67" name = "__codelineno-17-67" href = "#__codelineno-17-67" > < / a > < span class = "k" > for< / span > < span class = "n" > pair< / span > < span class = "k" > in< / span > < span class = "n" > adjList< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-68" name = "__codelineno-17-68" href = "#__codelineno-17-68" > < / a > < span class = "kd" > var< / span > < span class = "nv" > tmp< / span > < span class = "p" > :< / span > < span class = "p" > [< / span > < span class = "nb" > Int< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "p" > []< / span >
< a id = "__codelineno-17-69" name = "__codelineno-17-69" href = "#__codelineno-17-69" > < / a > < span class = "k" > for< / span > < span class = "n" > vertex< / span > < span class = "k" > in< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "n" > value< / span > < span class = "p" > {< / span >
< a id = "__codelineno-17-70" name = "__codelineno-17-70" href = "#__codelineno-17-70" > < / a > < span class = "n" > tmp< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > vertex< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-71" name = "__codelineno-17-71" href = "#__codelineno-17-71" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-72" name = "__codelineno-17-72" href = "#__codelineno-17-72" > < / a > < span class = "n" > Swift< / span > < span class = "p" > .< / span > < span class = "bp" > print< / span > < span class = "p" > (< / span > < span class = "s" > " < / span > < span class = "si" > \(< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "si" > )< / span > < span class = "s" > : < / span > < span class = "si" > \(< / span > < span class = "n" > tmp< / span > < span class = "si" > )< / span > < span class = "s" > ," < / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-73" name = "__codelineno-17-73" href = "#__codelineno-17-73" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-74" name = "__codelineno-17-74" href = "#__codelineno-17-74" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-75" name = "__codelineno-17-75" href = "#__codelineno-17-75" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.js< / span > < pre > < span > < / span > < code > < a id = "__codelineno-18-1" name = "__codelineno-18-1" href = "#__codelineno-18-1" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类 */< / span >
< a id = "__codelineno-18-2" name = "__codelineno-18-2" href = "#__codelineno-18-2" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nx" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-3" name = "__codelineno-18-3" href = "#__codelineno-18-3" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接表， ， ： < / span >
< a id = "__codelineno-18-4" name = "__codelineno-18-4" href = "#__codelineno-18-4" > < / a > < span class = "w" > < / span > < span class = "nx" > adjList< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-18-5" name = "__codelineno-18-5" href = "#__codelineno-18-5" > < / a >
< a id = "__codelineno-18-6" name = "__codelineno-18-6" href = "#__codelineno-18-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-18-7" name = "__codelineno-18-7" href = "#__codelineno-18-7" > < / a > < span class = "w" > < / span > < span class = "kr" > constructor< / span > < span class = "p" > (< / span > < span class = "nx" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-8" name = "__codelineno-18-8" href = "#__codelineno-18-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "nb" > Map< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-18-9" name = "__codelineno-18-9" href = "#__codelineno-18-9" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加所有顶点和边< / span >
< a id = "__codelineno-18-10" name = "__codelineno-18-10" href = "#__codelineno-18-10" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > edge< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-11" name = "__codelineno-18-11" href = "#__codelineno-18-11" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mf" > 0< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-18-12" name = "__codelineno-18-12" href = "#__codelineno-18-12" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mf" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-18-13" name = "__codelineno-18-13" href = "#__codelineno-18-13" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mf" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mf" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-18-14" name = "__codelineno-18-14" href = "#__codelineno-18-14" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-15" name = "__codelineno-18-15" href = "#__codelineno-18-15" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-16" name = "__codelineno-18-16" href = "#__codelineno-18-16" > < / a >
< a id = "__codelineno-18-17" name = "__codelineno-18-17" href = "#__codelineno-18-17" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-18-18" name = "__codelineno-18-18" href = "#__codelineno-18-18" > < / a > < span class = "w" > < / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-19" name = "__codelineno-18-19" href = "#__codelineno-18-19" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-18-20" name = "__codelineno-18-20" href = "#__codelineno-18-20" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-21" name = "__codelineno-18-21" href = "#__codelineno-18-21" > < / a >
< a id = "__codelineno-18-22" name = "__codelineno-18-22" href = "#__codelineno-18-22" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-18-23" name = "__codelineno-18-23" href = "#__codelineno-18-23" > < / a > < span class = "w" > < / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-24" name = "__codelineno-18-24" href = "#__codelineno-18-24" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span >
< a id = "__codelineno-18-25" name = "__codelineno-18-25" href = "#__codelineno-18-25" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-18-26" name = "__codelineno-18-26" href = "#__codelineno-18-26" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-18-27" name = "__codelineno-18-27" href = "#__codelineno-18-27" > < / a > < span class = "w" > < / span > < span class = "nx" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span >
< a id = "__codelineno-18-28" name = "__codelineno-18-28" href = "#__codelineno-18-28" > < / a > < span class = "w" > < / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-29" name = "__codelineno-18-29" href = "#__codelineno-18-29" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > Error< / span > < span class = "p" > (< / span > < span class = "s1" > ' Illegal Argument Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-30" name = "__codelineno-18-30" href = "#__codelineno-18-30" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-31" name = "__codelineno-18-31" href = "#__codelineno-18-31" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边 vet1 - vet2< / span >
< a id = "__codelineno-18-32" name = "__codelineno-18-32" href = "#__codelineno-18-32" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ).< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-33" name = "__codelineno-18-33" href = "#__codelineno-18-33" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > ).< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-34" name = "__codelineno-18-34" href = "#__codelineno-18-34" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-35" name = "__codelineno-18-35" href = "#__codelineno-18-35" > < / a >
< a id = "__codelineno-18-36" name = "__codelineno-18-36" href = "#__codelineno-18-36" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-18-37" name = "__codelineno-18-37" href = "#__codelineno-18-37" > < / a > < span class = "w" > < / span > < span class = "nx" > removeEdge< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-38" name = "__codelineno-18-38" href = "#__codelineno-18-38" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span >
< a id = "__codelineno-18-39" name = "__codelineno-18-39" href = "#__codelineno-18-39" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-18-40" name = "__codelineno-18-40" href = "#__codelineno-18-40" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-18-41" name = "__codelineno-18-41" href = "#__codelineno-18-41" > < / a > < span class = "w" > < / span > < span class = "nx" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span >
< a id = "__codelineno-18-42" name = "__codelineno-18-42" href = "#__codelineno-18-42" > < / a > < span class = "w" > < / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-43" name = "__codelineno-18-43" href = "#__codelineno-18-43" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > Error< / span > < span class = "p" > (< / span > < span class = "s1" > ' Illegal Argument Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-44" name = "__codelineno-18-44" href = "#__codelineno-18-44" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-45" name = "__codelineno-18-45" href = "#__codelineno-18-45" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-18-46" name = "__codelineno-18-46" href = "#__codelineno-18-46" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ).< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ).< / span > < span class = "nx" > indexOf< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > ),< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-47" name = "__codelineno-18-47" href = "#__codelineno-18-47" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > ).< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > ).< / span > < span class = "nx" > indexOf< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ),< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-48" name = "__codelineno-18-48" href = "#__codelineno-18-48" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-49" name = "__codelineno-18-49" href = "#__codelineno-18-49" > < / a >
< a id = "__codelineno-18-50" name = "__codelineno-18-50" href = "#__codelineno-18-50" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-18-51" name = "__codelineno-18-51" href = "#__codelineno-18-51" > < / a > < span class = "w" > < / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-52" name = "__codelineno-18-52" href = "#__codelineno-18-52" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > ))< / span > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-18-53" name = "__codelineno-18-53" href = "#__codelineno-18-53" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-18-54" name = "__codelineno-18-54" href = "#__codelineno-18-54" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "p" > []);< / span >
< a id = "__codelineno-18-55" name = "__codelineno-18-55" href = "#__codelineno-18-55" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-56" name = "__codelineno-18-56" href = "#__codelineno-18-56" > < / a >
< a id = "__codelineno-18-57" name = "__codelineno-18-57" href = "#__codelineno-18-57" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-18-58" name = "__codelineno-18-58" href = "#__codelineno-18-58" > < / a > < span class = "w" > < / span > < span class = "nx" > removeVertex< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-59" name = "__codelineno-18-59" href = "#__codelineno-18-59" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > ))< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-60" name = "__codelineno-18-60" href = "#__codelineno-18-60" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > Error< / span > < span class = "p" > (< / span > < span class = "s1" > ' Illegal Argument Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-61" name = "__codelineno-18-61" href = "#__codelineno-18-61" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-62" name = "__codelineno-18-62" href = "#__codelineno-18-62" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-18-63" name = "__codelineno-18-63" href = "#__codelineno-18-63" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "ow" > delete< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-64" name = "__codelineno-18-64" href = "#__codelineno-18-64" > < / a > < span class = "w" > < / span > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-18-65" name = "__codelineno-18-65" href = "#__codelineno-18-65" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > set< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > values< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-66" name = "__codelineno-18-66" href = "#__codelineno-18-66" > < / a > < span class = "w" > < / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nx" > set< / span > < span class = "p" > .< / span > < span class = "nx" > indexOf< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-67" name = "__codelineno-18-67" href = "#__codelineno-18-67" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "o" > -< / span > < span class = "mf" > 1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-68" name = "__codelineno-18-68" href = "#__codelineno-18-68" > < / a > < span class = "w" > < / span > < span class = "nx" > set< / span > < span class = "p" > .< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-69" name = "__codelineno-18-69" href = "#__codelineno-18-69" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-70" name = "__codelineno-18-70" href = "#__codelineno-18-70" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-71" name = "__codelineno-18-71" href = "#__codelineno-18-71" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-72" name = "__codelineno-18-72" href = "#__codelineno-18-72" > < / a >
< a id = "__codelineno-18-73" name = "__codelineno-18-73" href = "#__codelineno-18-73" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接表 */< / span >
< a id = "__codelineno-18-74" name = "__codelineno-18-74" href = "#__codelineno-18-74" > < / a > < span class = "w" > < / span > < span class = "nx" > print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-75" name = "__codelineno-18-75" href = "#__codelineno-18-75" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > log< / span > < span class = "p" > (< / span > < span class = "s1" > ' 邻接表 =' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-76" name = "__codelineno-18-76" href = "#__codelineno-18-76" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "p" > [< / span > < span class = "nx" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > value< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-77" name = "__codelineno-18-77" href = "#__codelineno-18-77" > < / a > < span class = "w" > < / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > tmp< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-18-78" name = "__codelineno-18-78" href = "#__codelineno-18-78" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > vertex< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > value< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-79" name = "__codelineno-18-79" href = "#__codelineno-18-79" > < / a > < span class = "w" > < / span > < span class = "nx" > tmp< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > vertex< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-18-80" name = "__codelineno-18-80" href = "#__codelineno-18-80" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-81" name = "__codelineno-18-81" href = "#__codelineno-18-81" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > log< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "s1" > ' : ' < / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "nx" > tmp< / span > < span class = "p" > .< / span > < span class = "nx" > join< / span > < span class = "p" > ());< / span >
< a id = "__codelineno-18-82" name = "__codelineno-18-82" href = "#__codelineno-18-82" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-83" name = "__codelineno-18-83" href = "#__codelineno-18-83" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-18-84" name = "__codelineno-18-84" href = "#__codelineno-18-84" > < / a > < span class = "p" > }< / span >
2023-06-02 02:38:32 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.ts< / span > < pre > < span > < / span > < code > < a id = "__codelineno-19-1" name = "__codelineno-19-1" href = "#__codelineno-19-1" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类 */< / span >
< a id = "__codelineno-19-2" name = "__codelineno-19-2" href = "#__codelineno-19-2" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nx" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-3" name = "__codelineno-19-3" href = "#__codelineno-19-3" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接表， ， ： < / span >
< a id = "__codelineno-19-4" name = "__codelineno-19-4" href = "#__codelineno-19-4" > < / a > < span class = "w" > < / span > < span class = "nx" > adjList< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > Map< / span > < span class = "o" > < < / span > < span class = "nx" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > Vertex< / span > < span class = "p" > []< / span > < span class = "o" > > < / span > < span class = "p" > ;< / span >
< a id = "__codelineno-19-5" name = "__codelineno-19-5" href = "#__codelineno-19-5" > < / a >
< a id = "__codelineno-19-6" name = "__codelineno-19-6" href = "#__codelineno-19-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-19-7" name = "__codelineno-19-7" href = "#__codelineno-19-7" > < / a > < span class = "w" > < / span > < span class = "kr" > constructor< / span > < span class = "p" > (< / span > < span class = "nx" > edges< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > Vertex< / span > < span class = "p" > [][])< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-8" name = "__codelineno-19-8" href = "#__codelineno-19-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "nb" > Map< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-19-9" name = "__codelineno-19-9" href = "#__codelineno-19-9" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加所有顶点和边< / span >
< a id = "__codelineno-19-10" name = "__codelineno-19-10" href = "#__codelineno-19-10" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > edge< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-11" name = "__codelineno-19-11" href = "#__codelineno-19-11" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mf" > 0< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-19-12" name = "__codelineno-19-12" href = "#__codelineno-19-12" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mf" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-19-13" name = "__codelineno-19-13" href = "#__codelineno-19-13" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mf" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "nx" > edge< / span > < span class = "p" > [< / span > < span class = "mf" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-19-14" name = "__codelineno-19-14" href = "#__codelineno-19-14" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-15" name = "__codelineno-19-15" href = "#__codelineno-19-15" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-16" name = "__codelineno-19-16" href = "#__codelineno-19-16" > < / a >
< a id = "__codelineno-19-17" name = "__codelineno-19-17" href = "#__codelineno-19-17" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-19-18" name = "__codelineno-19-18" href = "#__codelineno-19-18" > < / a > < span class = "w" > < / span > < span class = "nx" > size< / span > < span class = "p" > ()< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-19" name = "__codelineno-19-19" href = "#__codelineno-19-19" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > size< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-19-20" name = "__codelineno-19-20" href = "#__codelineno-19-20" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-21" name = "__codelineno-19-21" href = "#__codelineno-19-21" > < / a >
< a id = "__codelineno-19-22" name = "__codelineno-19-22" href = "#__codelineno-19-22" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-19-23" name = "__codelineno-19-23" href = "#__codelineno-19-23" > < / a > < span class = "w" > < / span > < span class = "nx" > addEdge< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > Vertex< / span > < span class = "p" > )< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-24" name = "__codelineno-19-24" href = "#__codelineno-19-24" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span >
< a id = "__codelineno-19-25" name = "__codelineno-19-25" href = "#__codelineno-19-25" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-19-26" name = "__codelineno-19-26" href = "#__codelineno-19-26" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-19-27" name = "__codelineno-19-27" href = "#__codelineno-19-27" > < / a > < span class = "w" > < / span > < span class = "nx" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span >
< a id = "__codelineno-19-28" name = "__codelineno-19-28" href = "#__codelineno-19-28" > < / a > < span class = "w" > < / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-29" name = "__codelineno-19-29" href = "#__codelineno-19-29" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > Error< / span > < span class = "p" > (< / span > < span class = "s1" > ' Illegal Argument Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-30" name = "__codelineno-19-30" href = "#__codelineno-19-30" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-31" name = "__codelineno-19-31" href = "#__codelineno-19-31" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边 vet1 - vet2< / span >
< a id = "__codelineno-19-32" name = "__codelineno-19-32" href = "#__codelineno-19-32" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ).< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-33" name = "__codelineno-19-33" href = "#__codelineno-19-33" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > ).< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-34" name = "__codelineno-19-34" href = "#__codelineno-19-34" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-35" name = "__codelineno-19-35" href = "#__codelineno-19-35" > < / a >
< a id = "__codelineno-19-36" name = "__codelineno-19-36" href = "#__codelineno-19-36" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-19-37" name = "__codelineno-19-37" href = "#__codelineno-19-37" > < / a > < span class = "w" > < / span > < span class = "nx" > removeEdge< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > Vertex< / span > < span class = "p" > )< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-38" name = "__codelineno-19-38" href = "#__codelineno-19-38" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span >
< a id = "__codelineno-19-39" name = "__codelineno-19-39" href = "#__codelineno-19-39" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-19-40" name = "__codelineno-19-40" href = "#__codelineno-19-40" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-19-41" name = "__codelineno-19-41" href = "#__codelineno-19-41" > < / a > < span class = "w" > < / span > < span class = "nx" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "nx" > vet2< / span >
< a id = "__codelineno-19-42" name = "__codelineno-19-42" href = "#__codelineno-19-42" > < / a > < span class = "w" > < / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-43" name = "__codelineno-19-43" href = "#__codelineno-19-43" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > Error< / span > < span class = "p" > (< / span > < span class = "s1" > ' Illegal Argument Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-44" name = "__codelineno-19-44" href = "#__codelineno-19-44" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-45" name = "__codelineno-19-45" href = "#__codelineno-19-45" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-19-46" name = "__codelineno-19-46" href = "#__codelineno-19-46" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ).< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ).< / span > < span class = "nx" > indexOf< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > ),< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-47" name = "__codelineno-19-47" href = "#__codelineno-19-47" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > ).< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > vet2< / span > < span class = "p" > ).< / span > < span class = "nx" > indexOf< / span > < span class = "p" > (< / span > < span class = "nx" > vet1< / span > < span class = "p" > ),< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-48" name = "__codelineno-19-48" href = "#__codelineno-19-48" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-49" name = "__codelineno-19-49" href = "#__codelineno-19-49" > < / a >
< a id = "__codelineno-19-50" name = "__codelineno-19-50" href = "#__codelineno-19-50" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-19-51" name = "__codelineno-19-51" href = "#__codelineno-19-51" > < / a > < span class = "w" > < / span > < span class = "nx" > addVertex< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > Vertex< / span > < span class = "p" > )< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-52" name = "__codelineno-19-52" href = "#__codelineno-19-52" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > ))< / span > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-19-53" name = "__codelineno-19-53" href = "#__codelineno-19-53" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-19-54" name = "__codelineno-19-54" href = "#__codelineno-19-54" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "p" > []);< / span >
< a id = "__codelineno-19-55" name = "__codelineno-19-55" href = "#__codelineno-19-55" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-56" name = "__codelineno-19-56" href = "#__codelineno-19-56" > < / a >
< a id = "__codelineno-19-57" name = "__codelineno-19-57" href = "#__codelineno-19-57" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-19-58" name = "__codelineno-19-58" href = "#__codelineno-19-58" > < / a > < span class = "w" > < / span > < span class = "nx" > removeVertex< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > Vertex< / span > < span class = "p" > )< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-59" name = "__codelineno-19-59" href = "#__codelineno-19-59" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > has< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > ))< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-60" name = "__codelineno-19-60" href = "#__codelineno-19-60" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "ne" > Error< / span > < span class = "p" > (< / span > < span class = "s1" > ' Illegal Argument Exception' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-61" name = "__codelineno-19-61" href = "#__codelineno-19-61" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-62" name = "__codelineno-19-62" href = "#__codelineno-19-62" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-19-63" name = "__codelineno-19-63" href = "#__codelineno-19-63" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "ow" > delete< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-64" name = "__codelineno-19-64" href = "#__codelineno-19-64" > < / a > < span class = "w" > < / span > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-19-65" name = "__codelineno-19-65" href = "#__codelineno-19-65" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > set< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > values< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-66" name = "__codelineno-19-66" href = "#__codelineno-19-66" > < / a > < span class = "w" > < / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > index< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nx" > set< / span > < span class = "p" > .< / span > < span class = "nx" > indexOf< / span > < span class = "p" > (< / span > < span class = "nx" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-67" name = "__codelineno-19-67" href = "#__codelineno-19-67" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "o" > -< / span > < span class = "mf" > 1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-68" name = "__codelineno-19-68" href = "#__codelineno-19-68" > < / a > < span class = "w" > < / span > < span class = "nx" > set< / span > < span class = "p" > .< / span > < span class = "nx" > splice< / span > < span class = "p" > (< / span > < span class = "nx" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mf" > 1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-69" name = "__codelineno-19-69" href = "#__codelineno-19-69" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-70" name = "__codelineno-19-70" href = "#__codelineno-19-70" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-71" name = "__codelineno-19-71" href = "#__codelineno-19-71" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-72" name = "__codelineno-19-72" href = "#__codelineno-19-72" > < / a >
< a id = "__codelineno-19-73" name = "__codelineno-19-73" href = "#__codelineno-19-73" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接表 */< / span >
< a id = "__codelineno-19-74" name = "__codelineno-19-74" href = "#__codelineno-19-74" > < / a > < span class = "w" > < / span > < span class = "nx" > print< / span > < span class = "p" > ()< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "ow" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-75" name = "__codelineno-19-75" href = "#__codelineno-19-75" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > log< / span > < span class = "p" > (< / span > < span class = "s1" > ' 邻接表 =' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-76" name = "__codelineno-19-76" href = "#__codelineno-19-76" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "p" > [< / span > < span class = "nx" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > value< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > adjList< / span > < span class = "p" > .< / span > < span class = "nx" > entries< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-77" name = "__codelineno-19-77" href = "#__codelineno-19-77" > < / a > < span class = "w" > < / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > tmp< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-19-78" name = "__codelineno-19-78" href = "#__codelineno-19-78" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > vertex< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > value< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-19-79" name = "__codelineno-19-79" href = "#__codelineno-19-79" > < / a > < span class = "w" > < / span > < span class = "nx" > tmp< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "nx" > vertex< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-19-80" name = "__codelineno-19-80" href = "#__codelineno-19-80" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-81" name = "__codelineno-19-81" href = "#__codelineno-19-81" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > log< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "s1" > ' : ' < / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "nx" > tmp< / span > < span class = "p" > .< / span > < span class = "nx" > join< / span > < span class = "p" > ());< / span >
< a id = "__codelineno-19-82" name = "__codelineno-19-82" href = "#__codelineno-19-82" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-83" name = "__codelineno-19-83" href = "#__codelineno-19-83" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-19-84" name = "__codelineno-19-84" href = "#__codelineno-19-84" > < / a > < span class = "p" > }< / span >
2023-07-26 10:57:52 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.dart< / span > < pre > < span > < / span > < code > < a id = "__codelineno-20-1" name = "__codelineno-20-1" href = "#__codelineno-20-1" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类 */< / span >
< a id = "__codelineno-20-2" name = "__codelineno-20-2" href = "#__codelineno-20-2" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nc" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-3" name = "__codelineno-20-3" href = "#__codelineno-20-3" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接表， ， ： < / span >
< a id = "__codelineno-20-4" name = "__codelineno-20-4" href = "#__codelineno-20-4" > < / a > < span class = "w" > < / span > < span class = "n" > Map< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > {};< / span >
< a id = "__codelineno-20-5" name = "__codelineno-20-5" href = "#__codelineno-20-5" > < / a >
< a id = "__codelineno-20-6" name = "__codelineno-20-6" href = "#__codelineno-20-6" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-20-7" name = "__codelineno-20-7" href = "#__codelineno-20-7" > < / a > < span class = "w" > < / span > < span class = "n" > GraphAdjList< / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > > < / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-8" name = "__codelineno-20-8" href = "#__codelineno-20-8" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-9" name = "__codelineno-20-9" href = "#__codelineno-20-9" > < / a > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-20-10" name = "__codelineno-20-10" href = "#__codelineno-20-10" > < / a > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-20-11" name = "__codelineno-20-11" href = "#__codelineno-20-11" > < / a > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "m" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "m" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-20-12" name = "__codelineno-20-12" href = "#__codelineno-20-12" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-13" name = "__codelineno-20-13" href = "#__codelineno-20-13" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-14" name = "__codelineno-20-14" href = "#__codelineno-20-14" > < / a >
< a id = "__codelineno-20-15" name = "__codelineno-20-15" href = "#__codelineno-20-15" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-20-16" name = "__codelineno-20-16" href = "#__codelineno-20-16" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-17" name = "__codelineno-20-17" href = "#__codelineno-20-17" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > length< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-18" name = "__codelineno-20-18" href = "#__codelineno-20-18" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-19" name = "__codelineno-20-19" href = "#__codelineno-20-19" > < / a >
< a id = "__codelineno-20-20" name = "__codelineno-20-20" href = "#__codelineno-20-20" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-20-21" name = "__codelineno-20-21" href = "#__codelineno-20-21" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-22" name = "__codelineno-20-22" href = "#__codelineno-20-22" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-20-23" name = "__codelineno-20-23" href = "#__codelineno-20-23" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-20-24" name = "__codelineno-20-24" href = "#__codelineno-20-24" > < / a > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-25" name = "__codelineno-20-25" href = "#__codelineno-20-25" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > ArgumentError< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-26" name = "__codelineno-20-26" href = "#__codelineno-20-26" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-27" name = "__codelineno-20-27" href = "#__codelineno-20-27" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边 vet1 - vet2< / span >
< a id = "__codelineno-20-28" name = "__codelineno-20-28" href = "#__codelineno-20-28" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ]< / span > < span class = "o" > !< / span > < span class = "p" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-29" name = "__codelineno-20-29" href = "#__codelineno-20-29" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ]< / span > < span class = "o" > !< / span > < span class = "p" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-30" name = "__codelineno-20-30" href = "#__codelineno-20-30" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-31" name = "__codelineno-20-31" href = "#__codelineno-20-31" > < / a >
< a id = "__codelineno-20-32" name = "__codelineno-20-32" href = "#__codelineno-20-32" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-20-33" name = "__codelineno-20-33" href = "#__codelineno-20-33" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > removeEdge< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-34" name = "__codelineno-20-34" href = "#__codelineno-20-34" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-20-35" name = "__codelineno-20-35" href = "#__codelineno-20-35" > < / a > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span >
< a id = "__codelineno-20-36" name = "__codelineno-20-36" href = "#__codelineno-20-36" > < / a > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-37" name = "__codelineno-20-37" href = "#__codelineno-20-37" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > ArgumentError< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-38" name = "__codelineno-20-38" href = "#__codelineno-20-38" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-39" name = "__codelineno-20-39" href = "#__codelineno-20-39" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-20-40" name = "__codelineno-20-40" href = "#__codelineno-20-40" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet1< / span > < span class = "p" > ]< / span > < span class = "o" > !< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-41" name = "__codelineno-20-41" href = "#__codelineno-20-41" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet2< / span > < span class = "p" > ]< / span > < span class = "o" > !< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-42" name = "__codelineno-20-42" href = "#__codelineno-20-42" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-43" name = "__codelineno-20-43" href = "#__codelineno-20-43" > < / a >
< a id = "__codelineno-20-44" name = "__codelineno-20-44" href = "#__codelineno-20-44" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-20-45" name = "__codelineno-20-45" href = "#__codelineno-20-45" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-46" name = "__codelineno-20-46" href = "#__codelineno-20-46" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ))< / span > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-47" name = "__codelineno-20-47" href = "#__codelineno-20-47" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-20-48" name = "__codelineno-20-48" href = "#__codelineno-20-48" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > [< / span > < span class = "n" > vet< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-20-49" name = "__codelineno-20-49" href = "#__codelineno-20-49" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-50" name = "__codelineno-20-50" href = "#__codelineno-20-50" > < / a >
< a id = "__codelineno-20-51" name = "__codelineno-20-51" href = "#__codelineno-20-51" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-20-52" name = "__codelineno-20-52" href = "#__codelineno-20-52" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > removeVertex< / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-53" name = "__codelineno-20-53" href = "#__codelineno-20-53" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > containsKey< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ))< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-54" name = "__codelineno-20-54" href = "#__codelineno-20-54" > < / a > < span class = "w" > < / span > < span class = "k" > throw< / span > < span class = "w" > < / span > < span class = "n" > ArgumentError< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-55" name = "__codelineno-20-55" href = "#__codelineno-20-55" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-56" name = "__codelineno-20-56" href = "#__codelineno-20-56" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-20-57" name = "__codelineno-20-57" href = "#__codelineno-20-57" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-58" name = "__codelineno-20-58" href = "#__codelineno-20-58" > < / a > < span class = "w" > < / span > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-20-59" name = "__codelineno-20-59" href = "#__codelineno-20-59" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > forEach< / span > < span class = "p" > ((< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > value< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-60" name = "__codelineno-20-60" href = "#__codelineno-20-60" > < / a > < span class = "w" > < / span > < span class = "n" > value< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-61" name = "__codelineno-20-61" href = "#__codelineno-20-61" > < / a > < span class = "w" > < / span > < span class = "p" > });< / span >
< a id = "__codelineno-20-62" name = "__codelineno-20-62" href = "#__codelineno-20-62" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-63" name = "__codelineno-20-63" href = "#__codelineno-20-63" > < / a >
< a id = "__codelineno-20-64" name = "__codelineno-20-64" href = "#__codelineno-20-64" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接表 */< / span >
< a id = "__codelineno-20-65" name = "__codelineno-20-65" href = "#__codelineno-20-65" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > printAdjList< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-66" name = "__codelineno-20-66" href = "#__codelineno-20-66" > < / a > < span class = "w" > < / span > < span class = "n" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " 邻接表 =" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-67" name = "__codelineno-20-67" href = "#__codelineno-20-67" > < / a > < span class = "w" > < / span > < span class = "n" > adjList< / span > < span class = "p" > .< / span > < span class = "n" > forEach< / span > < span class = "p" > ((< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > value< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-68" name = "__codelineno-20-68" href = "#__codelineno-20-68" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > tmp< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-20-69" name = "__codelineno-20-69" href = "#__codelineno-20-69" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "n" > vertex< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > value< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-70" name = "__codelineno-20-70" href = "#__codelineno-20-70" > < / a > < span class = "w" > < / span > < span class = "n" > tmp< / span > < span class = "p" > .< / span > < span class = "n" > add< / span > < span class = "p" > (< / span > < span class = "n" > vertex< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-71" name = "__codelineno-20-71" href = "#__codelineno-20-71" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-72" name = "__codelineno-20-72" href = "#__codelineno-20-72" > < / a > < span class = "w" > < / span > < span class = "n" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " < / span > < span class = "si" > ${< / span > < span class = "n" > key< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "si" > }< / span > < span class = "s2" > : < / span > < span class = "si" > $< / span > < span class = "n" > tmp< / span > < span class = "s2" > ," < / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-73" name = "__codelineno-20-73" href = "#__codelineno-20-73" > < / a > < span class = "w" > < / span > < span class = "p" > });< / span >
< a id = "__codelineno-20-74" name = "__codelineno-20-74" href = "#__codelineno-20-74" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-75" name = "__codelineno-20-75" href = "#__codelineno-20-75" > < / a > < span class = "p" > }< / span >
2023-07-26 10:57:52 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-06 14:10:31 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.rs< / span > < pre > < span > < / span > < code > < a id = "__codelineno-21-1" name = "__codelineno-21-1" href = "#__codelineno-21-1" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类型 */< / span >
< a id = "__codelineno-21-2" name = "__codelineno-21-2" href = "#__codelineno-21-2" > < / a > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > struct< / span > < span class = "nc" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-3" name = "__codelineno-21-3" href = "#__codelineno-21-3" > < / a > < span class = "w" > < / span > < span class = "c1" > // 邻接表， ， ： < / span >
< a id = "__codelineno-21-4" name = "__codelineno-21-4" href = "#__codelineno-21-4" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "n" > adj_list< / span > : < span class = "nc" > HashMap< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nb" > Vec< / span > < span class = "o" > < < / span > < span class = "n" > Vertex< / span > < span class = "o" > > > < / span > < span class = "p" > ,< / span >
< a id = "__codelineno-21-5" name = "__codelineno-21-5" href = "#__codelineno-21-5" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-21-6" name = "__codelineno-21-6" href = "#__codelineno-21-6" > < / a >
< a id = "__codelineno-21-7" name = "__codelineno-21-7" href = "#__codelineno-21-7" > < / a > < span class = "k" > impl< / span > < span class = "w" > < / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-8" name = "__codelineno-21-8" href = "#__codelineno-21-8" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 构造方法 */< / span >
< a id = "__codelineno-21-9" name = "__codelineno-21-9" href = "#__codelineno-21-9" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > new< / span > < span class = "p" > (< / span > < span class = "n" > edges< / span > : < span class = "nb" > Vec< / span > < span class = "o" > < < / span > < span class = "p" > [< / span > < span class = "n" > Vertex< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "mi" > 2< / span > < span class = "p" > ]< / span > < span class = "o" > > < / span > < span class = "p" > )< / span > < span class = "w" > < / span > -> < span class = "nc" > Self< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-10" name = "__codelineno-21-10" href = "#__codelineno-21-10" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-11" name = "__codelineno-21-11" href = "#__codelineno-21-11" > < / a > < span class = "w" > < / span > < span class = "n" > adj_list< / span > : < span class = "nc" > HashMap< / span > ::< span class = "n" > new< / span > < span class = "p" > (),< / span >
< a id = "__codelineno-21-12" name = "__codelineno-21-12" href = "#__codelineno-21-12" > < / a > < span class = "w" > < / span > < span class = "p" > };< / span >
< a id = "__codelineno-21-13" name = "__codelineno-21-13" href = "#__codelineno-21-13" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加所有顶点和边< / span >
< a id = "__codelineno-21-14" name = "__codelineno-21-14" href = "#__codelineno-21-14" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > edges< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-15" name = "__codelineno-21-15" href = "#__codelineno-21-15" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "p" > .< / span > < span class = "n" > add_vertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-21-16" name = "__codelineno-21-16" href = "#__codelineno-21-16" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "p" > .< / span > < span class = "n" > add_vertex< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-21-17" name = "__codelineno-21-17" href = "#__codelineno-21-17" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "p" > .< / span > < span class = "n" > add_edge< / span > < span class = "p" > (< / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 0< / span > < span class = "p" > ],< / span > < span class = "w" > < / span > < span class = "n" > edge< / span > < span class = "p" > [< / span > < span class = "mi" > 1< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-21-18" name = "__codelineno-21-18" href = "#__codelineno-21-18" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-19" name = "__codelineno-21-19" href = "#__codelineno-21-19" > < / a >
< a id = "__codelineno-21-20" name = "__codelineno-21-20" href = "#__codelineno-21-20" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span >
< a id = "__codelineno-21-21" name = "__codelineno-21-21" href = "#__codelineno-21-21" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-22" name = "__codelineno-21-22" href = "#__codelineno-21-22" > < / a >
< a id = "__codelineno-21-23" name = "__codelineno-21-23" href = "#__codelineno-21-23" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取顶点数量 */< / span >
< a id = "__codelineno-21-24" name = "__codelineno-21-24" href = "#__codelineno-21-24" > < / a > < span class = "w" > < / span > < span class = "cp" > #[allow(unused)]< / span >
< a id = "__codelineno-21-25" name = "__codelineno-21-25" href = "#__codelineno-21-25" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > size< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "w" > < / span > -> < span class = "kt" > usize< / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-26" name = "__codelineno-21-26" href = "#__codelineno-21-26" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > len< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-21-27" name = "__codelineno-21-27" href = "#__codelineno-21-27" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-28" name = "__codelineno-21-28" href = "#__codelineno-21-28" > < / a >
< a id = "__codelineno-21-29" name = "__codelineno-21-29" href = "#__codelineno-21-29" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-21-30" name = "__codelineno-21-30" href = "#__codelineno-21-30" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > add_edge< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > : < span class = "nc" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > : < span class = "nc" > Vertex< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-31" name = "__codelineno-21-31" href = "#__codelineno-21-31" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > contains_key< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > contains_key< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span >
< a id = "__codelineno-21-32" name = "__codelineno-21-32" href = "#__codelineno-21-32" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-33" name = "__codelineno-21-33" href = "#__codelineno-21-33" > < / a > < span class = "w" > < / span > < span class = "fm" > panic!< / span > < span class = "p" > (< / span > < span class = "s" > " value error" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-34" name = "__codelineno-21-34" href = "#__codelineno-21-34" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-35" name = "__codelineno-21-35" href = "#__codelineno-21-35" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边 vet1 - vet2< / span >
< a id = "__codelineno-21-36" name = "__codelineno-21-36" href = "#__codelineno-21-36" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > get_mut< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet1< / span > < span class = "p" > ).< / span > < span class = "n" > unwrap< / span > < span class = "p" > ().< / span > < span class = "n" > push< / span > < span class = "p" > (< / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-37" name = "__codelineno-21-37" href = "#__codelineno-21-37" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > get_mut< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet2< / span > < span class = "p" > ).< / span > < span class = "n" > unwrap< / span > < span class = "p" > ().< / span > < span class = "n" > push< / span > < span class = "p" > (< / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-38" name = "__codelineno-21-38" href = "#__codelineno-21-38" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-39" name = "__codelineno-21-39" href = "#__codelineno-21-39" > < / a >
< a id = "__codelineno-21-40" name = "__codelineno-21-40" href = "#__codelineno-21-40" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-21-41" name = "__codelineno-21-41" href = "#__codelineno-21-41" > < / a > < span class = "w" > < / span > < span class = "cp" > #[allow(unused)]< / span >
< a id = "__codelineno-21-42" name = "__codelineno-21-42" href = "#__codelineno-21-42" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > remove_edge< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > : < span class = "nc" > Vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > : < span class = "nc" > Vertex< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-43" name = "__codelineno-21-43" href = "#__codelineno-21-43" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > contains_key< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > contains_key< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > ||< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span >
< a id = "__codelineno-21-44" name = "__codelineno-21-44" href = "#__codelineno-21-44" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-45" name = "__codelineno-21-45" href = "#__codelineno-21-45" > < / a > < span class = "w" > < / span > < span class = "fm" > panic!< / span > < span class = "p" > (< / span > < span class = "s" > " value error" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-46" name = "__codelineno-21-46" href = "#__codelineno-21-46" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-47" name = "__codelineno-21-47" href = "#__codelineno-21-47" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-21-48" name = "__codelineno-21-48" href = "#__codelineno-21-48" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span >
< a id = "__codelineno-21-49" name = "__codelineno-21-49" href = "#__codelineno-21-49" > < / a > < span class = "w" > < / span > < span class = "p" > .< / span > < span class = "n" > get_mut< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet1< / span > < span class = "p" > )< / span >
< a id = "__codelineno-21-50" name = "__codelineno-21-50" href = "#__codelineno-21-50" > < / a > < span class = "w" > < / span > < span class = "p" > .< / span > < span class = "n" > unwrap< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-21-51" name = "__codelineno-21-51" href = "#__codelineno-21-51" > < / a > < span class = "w" > < / span > < span class = "p" > .< / span > < span class = "n" > retain< / span > < span class = "p" > (< / span > < span class = "o" > |& < / span > < span class = "n" > vet< / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-52" name = "__codelineno-21-52" href = "#__codelineno-21-52" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span >
< a id = "__codelineno-21-53" name = "__codelineno-21-53" href = "#__codelineno-21-53" > < / a > < span class = "w" > < / span > < span class = "p" > .< / span > < span class = "n" > get_mut< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span >
< a id = "__codelineno-21-54" name = "__codelineno-21-54" href = "#__codelineno-21-54" > < / a > < span class = "w" > < / span > < span class = "p" > .< / span > < span class = "n" > unwrap< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-21-55" name = "__codelineno-21-55" href = "#__codelineno-21-55" > < / a > < span class = "w" > < / span > < span class = "p" > .< / span > < span class = "n" > retain< / span > < span class = "p" > (< / span > < span class = "o" > |& < / span > < span class = "n" > vet< / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-56" name = "__codelineno-21-56" href = "#__codelineno-21-56" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-57" name = "__codelineno-21-57" href = "#__codelineno-21-57" > < / a >
< a id = "__codelineno-21-58" name = "__codelineno-21-58" href = "#__codelineno-21-58" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-21-59" name = "__codelineno-21-59" href = "#__codelineno-21-59" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > add_vertex< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > : < span class = "nc" > Vertex< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-60" name = "__codelineno-21-60" href = "#__codelineno-21-60" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > contains_key< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-61" name = "__codelineno-21-61" href = "#__codelineno-21-61" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-21-62" name = "__codelineno-21-62" href = "#__codelineno-21-62" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-63" name = "__codelineno-21-63" href = "#__codelineno-21-63" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-21-64" name = "__codelineno-21-64" href = "#__codelineno-21-64" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > insert< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "fm" > vec!< / span > < span class = "p" > []);< / span >
< a id = "__codelineno-21-65" name = "__codelineno-21-65" href = "#__codelineno-21-65" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-66" name = "__codelineno-21-66" href = "#__codelineno-21-66" > < / a >
< a id = "__codelineno-21-67" name = "__codelineno-21-67" href = "#__codelineno-21-67" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-21-68" name = "__codelineno-21-68" href = "#__codelineno-21-68" > < / a > < span class = "w" > < / span > < span class = "cp" > #[allow(unused)]< / span >
< a id = "__codelineno-21-69" name = "__codelineno-21-69" href = "#__codelineno-21-69" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > remove_vertex< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "k" > mut< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > : < span class = "nc" > Vertex< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-70" name = "__codelineno-21-70" href = "#__codelineno-21-70" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > contains_key< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-71" name = "__codelineno-21-71" href = "#__codelineno-21-71" > < / a > < span class = "w" > < / span > < span class = "fm" > panic!< / span > < span class = "p" > (< / span > < span class = "s" > " value error" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-72" name = "__codelineno-21-72" href = "#__codelineno-21-72" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-73" name = "__codelineno-21-73" href = "#__codelineno-21-73" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-21-74" name = "__codelineno-21-74" href = "#__codelineno-21-74" > < / a > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-75" name = "__codelineno-21-75" href = "#__codelineno-21-75" > < / a > < span class = "w" > < / span > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-21-76" name = "__codelineno-21-76" href = "#__codelineno-21-76" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "p" > .< / span > < span class = "n" > values_mut< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-77" name = "__codelineno-21-77" href = "#__codelineno-21-77" > < / a > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "p" > .< / span > < span class = "n" > retain< / span > < span class = "p" > (< / span > < span class = "o" > |& < / span > < span class = "n" > v< / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "n" > v< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-78" name = "__codelineno-21-78" href = "#__codelineno-21-78" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-79" name = "__codelineno-21-79" href = "#__codelineno-21-79" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-80" name = "__codelineno-21-80" href = "#__codelineno-21-80" > < / a >
< a id = "__codelineno-21-81" name = "__codelineno-21-81" href = "#__codelineno-21-81" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印邻接表 */< / span >
< a id = "__codelineno-21-82" name = "__codelineno-21-82" href = "#__codelineno-21-82" > < / a > < span class = "w" > < / span > < span class = "k" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "nf" > print< / span > < span class = "p" > (< / span > < span class = "o" > & < / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-83" name = "__codelineno-21-83" href = "#__codelineno-21-83" > < / a > < span class = "w" > < / span > < span class = "fm" > println!< / span > < span class = "p" > (< / span > < span class = "s" > " 邻接表 =" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-84" name = "__codelineno-21-84" href = "#__codelineno-21-84" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > vertex< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "bp" > self< / span > < span class = "p" > .< / span > < span class = "n" > adj_list< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-85" name = "__codelineno-21-85" href = "#__codelineno-21-85" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "p" > .< / span > < span class = "n" > iter< / span > < span class = "p" > ().< / span > < span class = "n" > map< / span > < span class = "p" > (< / span > < span class = "o" > |< / span > < span class = "n" > vertex< / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "n" > vertex< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > ).< / span > < span class = "n" > collect< / span > ::< span class = "o" > < < / span > < span class = "nb" > Vec< / span > < span class = "o" > < < / span > < span class = "kt" > i32< / span > < span class = "o" > > > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-21-86" name = "__codelineno-21-86" href = "#__codelineno-21-86" > < / a > < span class = "w" > < / span > < span class = "fm" > println!< / span > < span class = "p" > (< / span > < span class = "s" > " {}: {:?}," < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vertex< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > list< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-87" name = "__codelineno-21-87" href = "#__codelineno-21-87" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-88" name = "__codelineno-21-88" href = "#__codelineno-21-88" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-89" name = "__codelineno-21-89" href = "#__codelineno-21-89" > < / a > < span class = "p" > }< / span >
2023-06-02 02:38:32 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-10-29 20:01:38 +08:00
< div class = "highlight" > < span class = "filename" > graph_adjacency_list.c< / span > < pre > < span > < / span > < code > < a id = "__codelineno-22-1" name = "__codelineno-22-1" href = "#__codelineno-22-1" > < / a > < span class = "cm" > /* 节点结构体 */< / span >
< a id = "__codelineno-22-2" name = "__codelineno-22-2" href = "#__codelineno-22-2" > < / a > < span class = "k" > typedef< / span > < span class = "w" > < / span > < span class = "k" > struct< / span > < span class = "w" > < / span > < span class = "nc" > AdjListNode< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-3" name = "__codelineno-22-3" href = "#__codelineno-22-3" > < / a > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vertex< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 顶点< / span >
< a id = "__codelineno-22-4" name = "__codelineno-22-4" href = "#__codelineno-22-4" > < / a > < span class = "w" > < / span > < span class = "k" > struct< / span > < span class = "w" > < / span > < span class = "nc" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > next< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 后继节点< / span >
< a id = "__codelineno-22-5" name = "__codelineno-22-5" href = "#__codelineno-22-5" > < / a > < span class = "p" > }< / span > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-6" name = "__codelineno-22-6" href = "#__codelineno-22-6" > < / a >
< a id = "__codelineno-22-7" name = "__codelineno-22-7" href = "#__codelineno-22-7" > < / a > < span class = "cm" > /* 查找顶点对应的节点 */< / span >
< a id = "__codelineno-22-8" name = "__codelineno-22-8" href = "#__codelineno-22-8" > < / a > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nf" > findNode< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-9" name = "__codelineno-22-9" href = "#__codelineno-22-9" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-10" name = "__codelineno-22-10" href = "#__codelineno-22-10" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "o" > -> < / span > < span class = "n" > vertex< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-11" name = "__codelineno-22-11" href = "#__codelineno-22-11" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-22-12" name = "__codelineno-22-12" href = "#__codelineno-22-12" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-13" name = "__codelineno-22-13" href = "#__codelineno-22-13" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-14" name = "__codelineno-22-14" href = "#__codelineno-22-14" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-15" name = "__codelineno-22-15" href = "#__codelineno-22-15" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-22-16" name = "__codelineno-22-16" href = "#__codelineno-22-16" > < / a >
< a id = "__codelineno-22-17" name = "__codelineno-22-17" href = "#__codelineno-22-17" > < / a > < span class = "cm" > /* 添加边辅助函数 */< / span >
< a id = "__codelineno-22-18" name = "__codelineno-22-18" href = "#__codelineno-22-18" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > addEdgeHelper< / span > < span class = "p" > (< / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > head< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-19" name = "__codelineno-22-19" href = "#__codelineno-22-19" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > node< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "p" > )< / span > < span class = "n" > malloc< / span > < span class = "p" > (< / span > < span class = "k" > sizeof< / span > < span class = "p" > (< / span > < span class = "n" > AdjListNode< / span > < span class = "p" > ));< / span >
< a id = "__codelineno-22-20" name = "__codelineno-22-20" href = "#__codelineno-22-20" > < / a > < span class = "w" > < / span > < span class = "n" > node< / span > < span class = "o" > -> < / span > < span class = "n" > vertex< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-21" name = "__codelineno-22-21" href = "#__codelineno-22-21" > < / a > < span class = "w" > < / span > < span class = "c1" > // 头插法< / span >
< a id = "__codelineno-22-22" name = "__codelineno-22-22" href = "#__codelineno-22-22" > < / a > < span class = "w" > < / span > < span class = "n" > node< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > head< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-23" name = "__codelineno-22-23" href = "#__codelineno-22-23" > < / a > < span class = "w" > < / span > < span class = "n" > head< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > node< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-24" name = "__codelineno-22-24" href = "#__codelineno-22-24" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-22-25" name = "__codelineno-22-25" href = "#__codelineno-22-25" > < / a >
< a id = "__codelineno-22-26" name = "__codelineno-22-26" href = "#__codelineno-22-26" > < / a > < span class = "cm" > /* 删除边辅助函数 */< / span >
< a id = "__codelineno-22-27" name = "__codelineno-22-27" href = "#__codelineno-22-27" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > removeEdgeHelper< / span > < span class = "p" > (< / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > head< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-28" name = "__codelineno-22-28" href = "#__codelineno-22-28" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > pre< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > head< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-29" name = "__codelineno-22-29" href = "#__codelineno-22-29" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > head< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-30" name = "__codelineno-22-30" href = "#__codelineno-22-30" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在链表中搜索 vet 对应节点< / span >
< a id = "__codelineno-22-31" name = "__codelineno-22-31" href = "#__codelineno-22-31" > < / a > < span class = "w" > < / span > < span class = "k" > while< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "w" > < / span > < span class = "o" > & & < / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "o" > -> < / span > < span class = "n" > vertex< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-32" name = "__codelineno-22-32" href = "#__codelineno-22-32" > < / a > < span class = "w" > < / span > < span class = "n" > pre< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-33" name = "__codelineno-22-33" href = "#__codelineno-22-33" > < / a > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-34" name = "__codelineno-22-34" href = "#__codelineno-22-34" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-35" name = "__codelineno-22-35" href = "#__codelineno-22-35" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > )< / span >
< a id = "__codelineno-22-36" name = "__codelineno-22-36" href = "#__codelineno-22-36" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-37" name = "__codelineno-22-37" href = "#__codelineno-22-37" > < / a > < span class = "w" > < / span > < span class = "c1" > // 将 vet 对应节点从链表中删除< / span >
< a id = "__codelineno-22-38" name = "__codelineno-22-38" href = "#__codelineno-22-38" > < / a > < span class = "w" > < / span > < span class = "n" > pre< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-39" name = "__codelineno-22-39" href = "#__codelineno-22-39" > < / a > < span class = "w" > < / span > < span class = "c1" > // 释放内存< / span >
< a id = "__codelineno-22-40" name = "__codelineno-22-40" href = "#__codelineno-22-40" > < / a > < span class = "w" > < / span > < span class = "n" > free< / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-41" name = "__codelineno-22-41" href = "#__codelineno-22-41" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-22-42" name = "__codelineno-22-42" href = "#__codelineno-22-42" > < / a >
< a id = "__codelineno-22-43" name = "__codelineno-22-43" href = "#__codelineno-22-43" > < / a > < span class = "cm" > /* 基于邻接表实现的无向图类 */< / span >
< a id = "__codelineno-22-44" name = "__codelineno-22-44" href = "#__codelineno-22-44" > < / a > < span class = "k" > typedef< / span > < span class = "w" > < / span > < span class = "k" > struct< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-45" name = "__codelineno-22-45" href = "#__codelineno-22-45" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > MAX_SIZE< / span > < span class = "p" > ];< / span > < span class = "w" > < / span > < span class = "c1" > // 节点数组< / span >
< a id = "__codelineno-22-46" name = "__codelineno-22-46" href = "#__codelineno-22-46" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "c1" > // 节点数量< / span >
< a id = "__codelineno-22-47" name = "__codelineno-22-47" href = "#__codelineno-22-47" > < / a > < span class = "p" > }< / span > < span class = "w" > < / span > < span class = "n" > GraphAdjList< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-48" name = "__codelineno-22-48" href = "#__codelineno-22-48" > < / a >
< a id = "__codelineno-22-49" name = "__codelineno-22-49" href = "#__codelineno-22-49" > < / a > < span class = "cm" > /* 构造函数 */< / span >
< a id = "__codelineno-22-50" name = "__codelineno-22-50" href = "#__codelineno-22-50" > < / a > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nf" > newGraphAdjList< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-51" name = "__codelineno-22-51" href = "#__codelineno-22-51" > < / a > < span class = "w" > < / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "p" > )< / span > < span class = "n" > malloc< / span > < span class = "p" > (< / span > < span class = "k" > sizeof< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjList< / span > < span class = "p" > ));< / span >
< a id = "__codelineno-22-52" name = "__codelineno-22-52" href = "#__codelineno-22-52" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "n" > graph< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-53" name = "__codelineno-22-53" href = "#__codelineno-22-53" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-54" name = "__codelineno-22-54" href = "#__codelineno-22-54" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-55" name = "__codelineno-22-55" href = "#__codelineno-22-55" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-56" name = "__codelineno-22-56" href = "#__codelineno-22-56" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > MAX_SIZE< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-57" name = "__codelineno-22-57" href = "#__codelineno-22-57" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-58" name = "__codelineno-22-58" href = "#__codelineno-22-58" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-59" name = "__codelineno-22-59" href = "#__codelineno-22-59" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-60" name = "__codelineno-22-60" href = "#__codelineno-22-60" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-22-61" name = "__codelineno-22-61" href = "#__codelineno-22-61" > < / a >
< a id = "__codelineno-22-62" name = "__codelineno-22-62" href = "#__codelineno-22-62" > < / a > < span class = "cm" > /* 析构函数 */< / span >
< a id = "__codelineno-22-63" name = "__codelineno-22-63" href = "#__codelineno-22-63" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > delGraphAdjList< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-64" name = "__codelineno-22-64" href = "#__codelineno-22-64" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-65" name = "__codelineno-22-65" href = "#__codelineno-22-65" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-22-66" name = "__codelineno-22-66" href = "#__codelineno-22-66" > < / a > < span class = "w" > < / span > < span class = "k" > while< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-67" name = "__codelineno-22-67" href = "#__codelineno-22-67" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > next< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-68" name = "__codelineno-22-68" href = "#__codelineno-22-68" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ])< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-69" name = "__codelineno-22-69" href = "#__codelineno-22-69" > < / a > < span class = "w" > < / span > < span class = "n" > free< / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-70" name = "__codelineno-22-70" href = "#__codelineno-22-70" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-71" name = "__codelineno-22-71" href = "#__codelineno-22-71" > < / a > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > next< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-72" name = "__codelineno-22-72" href = "#__codelineno-22-72" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-73" name = "__codelineno-22-73" href = "#__codelineno-22-73" > < / a > < span class = "w" > < / span > < span class = "n" > free< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "o" > -> < / span > < span class = "n" > vertex< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-74" name = "__codelineno-22-74" href = "#__codelineno-22-74" > < / a > < span class = "w" > < / span > < span class = "n" > free< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-22-75" name = "__codelineno-22-75" href = "#__codelineno-22-75" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-76" name = "__codelineno-22-76" href = "#__codelineno-22-76" > < / a > < span class = "w" > < / span > < span class = "n" > free< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-77" name = "__codelineno-22-77" href = "#__codelineno-22-77" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-22-78" name = "__codelineno-22-78" href = "#__codelineno-22-78" > < / a >
< a id = "__codelineno-22-79" name = "__codelineno-22-79" href = "#__codelineno-22-79" > < / a > < span class = "cm" > /* 查找顶点对应的节点 */< / span >
< a id = "__codelineno-22-80" name = "__codelineno-22-80" href = "#__codelineno-22-80" > < / a > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nf" > findNode< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-81" name = "__codelineno-22-81" href = "#__codelineno-22-81" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-82" name = "__codelineno-22-82" href = "#__codelineno-22-82" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "o" > -> < / span > < span class = "n" > vertex< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-83" name = "__codelineno-22-83" href = "#__codelineno-22-83" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-22-84" name = "__codelineno-22-84" href = "#__codelineno-22-84" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-85" name = "__codelineno-22-85" href = "#__codelineno-22-85" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-86" name = "__codelineno-22-86" href = "#__codelineno-22-86" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-87" name = "__codelineno-22-87" href = "#__codelineno-22-87" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-22-88" name = "__codelineno-22-88" href = "#__codelineno-22-88" > < / a >
< a id = "__codelineno-22-89" name = "__codelineno-22-89" href = "#__codelineno-22-89" > < / a > < span class = "cm" > /* 添加边 */< / span >
< a id = "__codelineno-22-90" name = "__codelineno-22-90" href = "#__codelineno-22-90" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > addEdge< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-91" name = "__codelineno-22-91" href = "#__codelineno-22-91" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > head1< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > findNode< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-92" name = "__codelineno-22-92" href = "#__codelineno-22-92" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > head2< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > findNode< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-93" name = "__codelineno-22-93" href = "#__codelineno-22-93" > < / a > < span class = "w" > < / span > < span class = "n" > assert< / span > < span class = "p" > (< / span > < span class = "n" > head1< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "w" > < / span > < span class = "o" > & & < / span > < span class = "w" > < / span > < span class = "n" > head2< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "w" > < / span > < span class = "o" > & & < / span > < span class = "w" > < / span > < span class = "n" > head1< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "n" > head2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-94" name = "__codelineno-22-94" href = "#__codelineno-22-94" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加边 vet1 - vet2< / span >
< a id = "__codelineno-22-95" name = "__codelineno-22-95" href = "#__codelineno-22-95" > < / a > < span class = "w" > < / span > < span class = "n" > addEdgeHelper< / span > < span class = "p" > (< / span > < span class = "n" > head1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-96" name = "__codelineno-22-96" href = "#__codelineno-22-96" > < / a > < span class = "w" > < / span > < span class = "n" > addEdgeHelper< / span > < span class = "p" > (< / span > < span class = "n" > head2< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-97" name = "__codelineno-22-97" href = "#__codelineno-22-97" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-22-98" name = "__codelineno-22-98" href = "#__codelineno-22-98" > < / a >
< a id = "__codelineno-22-99" name = "__codelineno-22-99" href = "#__codelineno-22-99" > < / a > < span class = "cm" > /* 删除边 */< / span >
< a id = "__codelineno-22-100" name = "__codelineno-22-100" href = "#__codelineno-22-100" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > removeEdge< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet2< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-101" name = "__codelineno-22-101" href = "#__codelineno-22-101" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > head1< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > findNode< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet1< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-102" name = "__codelineno-22-102" href = "#__codelineno-22-102" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > head2< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > findNode< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet2< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-103" name = "__codelineno-22-103" href = "#__codelineno-22-103" > < / a > < span class = "w" > < / span > < span class = "n" > assert< / span > < span class = "p" > (< / span > < span class = "n" > head1< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "w" > < / span > < span class = "o" > & & < / span > < span class = "w" > < / span > < span class = "n" > head2< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-104" name = "__codelineno-22-104" href = "#__codelineno-22-104" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除边 vet1 - vet2< / span >
< a id = "__codelineno-22-105" name = "__codelineno-22-105" href = "#__codelineno-22-105" > < / a > < span class = "w" > < / span > < span class = "n" > removeEdgeHelper< / span > < span class = "p" > (< / span > < span class = "n" > head1< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > head2< / span > < span class = "o" > -> < / span > < span class = "n" > vertex< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-106" name = "__codelineno-22-106" href = "#__codelineno-22-106" > < / a > < span class = "w" > < / span > < span class = "n" > removeEdgeHelper< / span > < span class = "p" > (< / span > < span class = "n" > head2< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > head1< / span > < span class = "o" > -> < / span > < span class = "n" > vertex< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-107" name = "__codelineno-22-107" href = "#__codelineno-22-107" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-22-108" name = "__codelineno-22-108" href = "#__codelineno-22-108" > < / a >
< a id = "__codelineno-22-109" name = "__codelineno-22-109" href = "#__codelineno-22-109" > < / a > < span class = "cm" > /* 添加顶点 */< / span >
< a id = "__codelineno-22-110" name = "__codelineno-22-110" href = "#__codelineno-22-110" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > addVertex< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-111" name = "__codelineno-22-111" href = "#__codelineno-22-111" > < / a > < span class = "w" > < / span > < span class = "n" > assert< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "w" > < / span > < span class = "o" > & & < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > MAX_SIZE< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-112" name = "__codelineno-22-112" href = "#__codelineno-22-112" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > head< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "p" > )< / span > < span class = "n" > malloc< / span > < span class = "p" > (< / span > < span class = "k" > sizeof< / span > < span class = "p" > (< / span > < span class = "n" > AdjListNode< / span > < span class = "p" > ));< / span >
< a id = "__codelineno-22-113" name = "__codelineno-22-113" href = "#__codelineno-22-113" > < / a > < span class = "w" > < / span > < span class = "n" > head< / span > < span class = "o" > -> < / span > < span class = "n" > vertex< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-114" name = "__codelineno-22-114" href = "#__codelineno-22-114" > < / a > < span class = "w" > < / span > < span class = "n" > head< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-115" name = "__codelineno-22-115" href = "#__codelineno-22-115" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中添加一个新链表< / span >
< a id = "__codelineno-22-116" name = "__codelineno-22-116" href = "#__codelineno-22-116" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "o" > ++< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > head< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-117" name = "__codelineno-22-117" href = "#__codelineno-22-117" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-22-118" name = "__codelineno-22-118" href = "#__codelineno-22-118" > < / a >
< a id = "__codelineno-22-119" name = "__codelineno-22-119" href = "#__codelineno-22-119" > < / a > < span class = "cm" > /* 删除顶点 */< / span >
< a id = "__codelineno-22-120" name = "__codelineno-22-120" href = "#__codelineno-22-120" > < / a > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "nf" > removeVertex< / span > < span class = "p" > (< / span > < span class = "n" > GraphAdjList< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > Vertex< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-121" name = "__codelineno-22-121" href = "#__codelineno-22-121" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > node< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > findNode< / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-122" name = "__codelineno-22-122" href = "#__codelineno-22-122" > < / a > < span class = "w" > < / span > < span class = "n" > assert< / span > < span class = "p" > (< / span > < span class = "n" > node< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-123" name = "__codelineno-22-123" href = "#__codelineno-22-123" > < / a > < span class = "w" > < / span > < span class = "c1" > // 在邻接表中删除顶点 vet 对应的链表< / span >
< a id = "__codelineno-22-124" name = "__codelineno-22-124" href = "#__codelineno-22-124" > < / a > < span class = "w" > < / span > < span class = "n" > AdjListNode< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > node< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > pre< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-125" name = "__codelineno-22-125" href = "#__codelineno-22-125" > < / a > < span class = "w" > < / span > < span class = "k" > while< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-126" name = "__codelineno-22-126" href = "#__codelineno-22-126" > < / a > < span class = "w" > < / span > < span class = "n" > pre< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-127" name = "__codelineno-22-127" href = "#__codelineno-22-127" > < / a > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-128" name = "__codelineno-22-128" href = "#__codelineno-22-128" > < / a > < span class = "w" > < / span > < span class = "n" > free< / span > < span class = "p" > (< / span > < span class = "n" > pre< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-129" name = "__codelineno-22-129" href = "#__codelineno-22-129" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-130" name = "__codelineno-22-130" href = "#__codelineno-22-130" > < / a > < span class = "w" > < / span > < span class = "c1" > // 遍历其他顶点的链表，删除所有包含 vet 的边< / span >
< a id = "__codelineno-22-131" name = "__codelineno-22-131" href = "#__codelineno-22-131" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-132" name = "__codelineno-22-132" href = "#__codelineno-22-132" > < / a > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-22-133" name = "__codelineno-22-133" href = "#__codelineno-22-133" > < / a > < span class = "w" > < / span > < span class = "n" > pre< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nb" > NULL< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-134" name = "__codelineno-22-134" href = "#__codelineno-22-134" > < / a > < span class = "w" > < / span > < span class = "k" > while< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-135" name = "__codelineno-22-135" href = "#__codelineno-22-135" > < / a > < span class = "w" > < / span > < span class = "n" > pre< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-136" name = "__codelineno-22-136" href = "#__codelineno-22-136" > < / a > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-137" name = "__codelineno-22-137" href = "#__codelineno-22-137" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "w" > < / span > < span class = "o" > & & < / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "o" > -> < / span > < span class = "n" > vertex< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > vet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-138" name = "__codelineno-22-138" href = "#__codelineno-22-138" > < / a > < span class = "w" > < / span > < span class = "n" > pre< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > cur< / span > < span class = "o" > -> < / span > < span class = "n" > next< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-139" name = "__codelineno-22-139" href = "#__codelineno-22-139" > < / a > < span class = "w" > < / span > < span class = "n" > free< / span > < span class = "p" > (< / span > < span class = "n" > cur< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-140" name = "__codelineno-22-140" href = "#__codelineno-22-140" > < / a > < span class = "w" > < / span > < span class = "k" > break< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-141" name = "__codelineno-22-141" href = "#__codelineno-22-141" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-142" name = "__codelineno-22-142" href = "#__codelineno-22-142" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-143" name = "__codelineno-22-143" href = "#__codelineno-22-143" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-144" name = "__codelineno-22-144" href = "#__codelineno-22-144" > < / a > < span class = "w" > < / span > < span class = "c1" > // 将该顶点之后的顶点向前移动，以填补空缺< / span >
< a id = "__codelineno-22-145" name = "__codelineno-22-145" href = "#__codelineno-22-145" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-146" name = "__codelineno-22-146" href = "#__codelineno-22-146" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "mi" > 0< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-147" name = "__codelineno-22-147" href = "#__codelineno-22-147" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > i< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "n" > node< / span > < span class = "p" > )< / span >
< a id = "__codelineno-22-148" name = "__codelineno-22-148" href = "#__codelineno-22-148" > < / a > < span class = "w" > < / span > < span class = "k" > break< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-149" name = "__codelineno-22-149" href = "#__codelineno-22-149" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-150" name = "__codelineno-22-150" href = "#__codelineno-22-150" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > < < / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "w" > < / span > < span class = "o" > -< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > j< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-22-151" name = "__codelineno-22-151" href = "#__codelineno-22-151" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > heads< / span > < span class = "p" > [< / span > < span class = "n" > j< / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "mi" > 1< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-22-152" name = "__codelineno-22-152" href = "#__codelineno-22-152" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-22-153" name = "__codelineno-22-153" href = "#__codelineno-22-153" > < / a > < span class = "w" > < / span > < span class = "n" > graph< / span > < span class = "o" > -> < / span > < span class = "n" > size< / span > < span class = "o" > --< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-22-154" name = "__codelineno-22-154" href = "#__codelineno-22-154" > < / a > < span class = "w" > < / span > < span class = "n" > free< / span > < span class = "p" > (< / span > < span class = "n" > vet< / span > < span class = "p" > );< / span >
< a id = "__codelineno-22-155" name = "__codelineno-22-155" href = "#__codelineno-22-155" > < / a > < span class = "p" > }< / span >
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< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
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< div class = "highlight" > < span class = "filename" > graph_adjacency_list.zig< / span > < pre > < span > < / span > < code > < a id = "__codelineno-23-1" name = "__codelineno-23-1" href = "#__codelineno-23-1" > < / a > < span class = "p" > [< / span > < span class = "n" > class< / span > < span class = "p" > ]{< / span > < span class = "n" > GraphAdjList< / span > < span class = "p" > }< / span > < span class = "o" > -< / span > < span class = "p" > [< / span > < span class = "n" > func< / span > < span class = "p" > ]{}< / span >
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< / code > < / pre > < / div >
< / div >
< / div >
< / div >
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< h2 id = "923" > 9.2.3 效率对比< a class = "headerlink" href = "#923" title = "Permanent link" > ¶ < / a > < / h2 >
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< p > 设图中共有 < span class = "arithmatex" > \(n\)< / span > 个顶点和 < span class = "arithmatex" > \(m\)< / span > 条边，表 9-2 对比了邻接矩阵和邻接表的时间和空间效率。< / p >
< p align = "center" > 表 9-2 邻接矩阵与邻接表对比 < / p >
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< div class = "center-table" >
< table >
< thead >
< tr >
< th > < / th >
< th > 邻接矩阵< / th >
< th > 邻接表（链表）< / th >
< th > 邻接表（哈希表）< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td > 判断是否邻接< / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(m)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< / tr >
< tr >
< td > 添加边< / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< / tr >
< tr >
< td > 删除边< / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(m)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< / tr >
< tr >
< td > 添加顶点< / td >
< td > < span class = "arithmatex" > \(O(n)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< / tr >
< tr >
< td > 删除顶点< / td >
< td > < span class = "arithmatex" > \(O(n^2)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(n + m)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(n)\)< / span > < / td >
< / tr >
< tr >
< td > 内存空间占用< / td >
< td > < span class = "arithmatex" > \(O(n^2)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(n + m)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(n + m)\)< / span > < / td >
< / tr >
< / tbody >
< / table >
< / div >
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< p > 观察表 9-2 ，似乎邻接表（哈希表）的时间与空间效率最优。但实际上，在邻接矩阵中操作边的效率更高，只需要一次数组访问或赋值操作即可。综合来看，邻接矩阵体现了“以空间换时间”的原则，而邻接表体现了“以时间换空间”的原则。< / p >
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回到页面顶部
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< div class = "md-footer__button md-icon" >
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< a href = "../graph_traversal/" class = "md-footer__link md-footer__link--next" aria-label = "下一页: 9.3 &nbsp; 图的遍历" rel = "next" >
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下一页
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9.3 图的遍历
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