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< title > 7.1. < / title >
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跳转至
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Hello 算法
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7.1. 哈希表
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0. 写在前面
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0. 写在前面
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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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1. 引言
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1. 引言
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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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2. 复杂度分析
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2. 复杂度分析
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2.1. 算法效率评估
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2.2. 时间复杂度
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2.3. 空间复杂度
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2.4. 小结
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3. 数据结构简介
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3. 数据结构简介
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3.1. 数据与内存
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3.2. 数据结构分类
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3.3. 小结
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4. 数组与链表
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4. 数组与链表
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4.1. 数组
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4.2. 链表
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4.3. 列表
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4.4. 小结
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5. 栈与队列
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5. 栈与队列
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5.1. 栈
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5.2. 队列
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5.3. 双向队列
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5.4. 小结
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6. 二分查找
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6. 二分查找
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6.1. 二分查找
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< input class = "md-nav__toggle md-toggle " type = "checkbox" id = "__nav_8" checked >
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7. 散列表
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7. 散列表
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7.1. 哈希表
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7.1. 哈希表
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目录
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7.1.1. 哈希表常用操作
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7.1.2. 哈希函数
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7.1.3. 哈希冲突
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7.2. 哈希冲突处理
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7.3. 小结
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8. 树
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8. 树
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8.1. 二叉树
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8.2. 二叉树遍历
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8.3. 二叉树数组表示
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8.4. 二叉搜索树
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8.5. AVL 树 *
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8.6. 小结
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9. 堆
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9. 堆
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9.1. 堆
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< a href = "../../chapter_heap/build_heap/" class = "md-nav__link" >
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9.2. 建堆操作 *
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< a href = "../../chapter_heap/summary/" class = "md-nav__link" >
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9.3. 小结
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10. 图
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10. 图
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10.1. 图
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< a href = "../../chapter_graph/graph_operations/" class = "md-nav__link" >
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10.2. 图基础操作
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< a href = "../../chapter_graph/graph_traversal/" class = "md-nav__link" >
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10.3. 图的遍历
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< a href = "../../chapter_graph/summary/" class = "md-nav__link" >
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10.4. 小结
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11. 排序算法
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< label class = "md-nav__title" for = "__nav_12" >
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11. 排序算法
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11.1. 排序算法
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< a href = "../../chapter_sorting/bubble_sort/" class = "md-nav__link" >
11.2. 冒泡排序
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11.3. 插入排序
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11.4. 快速排序
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< a href = "../../chapter_sorting/merge_sort/" class = "md-nav__link" >
11.5. 归并排序
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< / a >
< / li >
< li class = "md-nav__item" >
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< a href = "../../chapter_sorting/bucket_sort/" class = "md-nav__link" >
11.6. 桶排序
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< / a >
< / li >
< li class = "md-nav__item" >
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< a href = "../../chapter_sorting/counting_sort/" class = "md-nav__link" >
11.7. 计数排序
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< / a >
< / li >
< li class = "md-nav__item" >
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< a href = "../../chapter_sorting/radix_sort/" class = "md-nav__link" >
11.8. 基数排序
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< / a >
< / li >
< li class = "md-nav__item" >
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< a href = "../../chapter_sorting/summary/" class = "md-nav__link" >
11.9. 小结
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< / a >
< / li >
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< / ul >
< / nav >
< / li >
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< li class = "md-nav__item md-nav__item--section md-nav__item--nested" >
< input class = "md-nav__toggle md-toggle " type = "checkbox" id = "__nav_13" >
< label class = "md-nav__link" for = "__nav_13" id = "__nav_13_label" tabindex = "0" >
12. 搜索算法
< span class = "md-nav__icon md-icon" > < / span >
< / label >
< nav class = "md-nav" data-md-level = "1" aria-labelledby = "__nav_13_label" aria-expanded = "false" >
< label class = "md-nav__title" for = "__nav_13" >
< span class = "md-nav__icon md-icon" > < / span >
12. 搜索算法
< / label >
< ul class = "md-nav__list" data-md-scrollfix >
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< li class = "md-nav__item" >
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< a href = "../../chapter_searching/searching_algorithm_revisited/" class = "md-nav__link" >
12.1. 搜索算法（ ）
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< / a >
< / li >
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< li class = "md-nav__item" >
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< a href = "../../chapter_searching/replace_linear_by_hashing/" class = "md-nav__link" >
12.2. 哈希优化策略
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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" >
12.3. 小结
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< / a >
< / li >
< / ul >
< / nav >
< / li >
< li class = "md-nav__item md-nav__item--section md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle " type = "checkbox" id = "__nav_14" >
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< label class = "md-nav__link" for = "__nav_14" id = "__nav_14_label" tabindex = "0" >
13. 回溯算法
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< span class = "md-nav__icon md-icon" > < / span >
< / label >
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< nav class = "md-nav" data-md-level = "1" aria-labelledby = "__nav_14_label" aria-expanded = "false" >
< label class = "md-nav__title" for = "__nav_14" >
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< span class = "md-nav__icon md-icon" > < / span >
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13. 回溯算法
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< / label >
< ul class = "md-nav__list" data-md-scrollfix >
< 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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< / a >
< / li >
< / ul >
< / nav >
< / li >
< li class = "md-nav__item md-nav__item--section md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle " type = "checkbox" id = "__nav_15" >
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< label class = "md-nav__link" for = "__nav_15" id = "__nav_15_label" tabindex = "0" >
14. 附录
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< span class = "md-nav__icon md-icon" > < / span >
< / label >
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< nav class = "md-nav" data-md-level = "1" aria-labelledby = "__nav_15_label" aria-expanded = "false" >
< label class = "md-nav__title" for = "__nav_15" >
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< span class = "md-nav__icon md-icon" > < / span >
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14. 附录
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< / label >
< ul class = "md-nav__list" data-md-scrollfix >
< li class = "md-nav__item" >
< a href = "../../chapter_appendix/installation/" class = "md-nav__link" >
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14.1. 编程环境安装
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< / a >
< / li >
< li class = "md-nav__item" >
< a href = "../../chapter_appendix/contribution/" class = "md-nav__link" >
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14.2. 一起参与创作
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< / a >
< / li >
< / ul >
< / nav >
< / li >
< li class = "md-nav__item md-nav__item--section md-nav__item--nested" >
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< input class = "md-nav__toggle md-toggle " type = "checkbox" id = "__nav_16" >
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< div class = "md-nav__link md-nav__link--index " >
< a href = "../../chapter_reference/" > 参考文献< / a >
< / div >
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< nav class = "md-nav" data-md-level = "1" aria-labelledby = "__nav_16_label" aria-expanded = "false" >
< label class = "md-nav__title" for = "__nav_16" >
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< span class = "md-nav__icon md-icon" > < / span >
参考文献
< / label >
< ul class = "md-nav__list" data-md-scrollfix >
< / ul >
< / nav >
< / li >
< / ul >
< / nav >
< / div >
< / div >
< / div >
< div class = "md-sidebar md-sidebar--secondary" data-md-component = "sidebar" data-md-type = "toc" >
< div class = "md-sidebar__scrollwrap" >
< div class = "md-sidebar__inner" >
< nav class = "md-nav md-nav--secondary" aria-label = "目录" >
< label class = "md-nav__title" for = "__toc" >
< span class = "md-nav__icon md-icon" > < / span >
目录
< / label >
< ul class = "md-nav__list" data-md-component = "toc" data-md-scrollfix >
< li class = "md-nav__item" >
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< a href = "#711" class = "md-nav__link" >
7.1.1. 哈希表常用操作
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< / a >
< / li >
< li class = "md-nav__item" >
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< a href = "#712" class = "md-nav__link" >
7.1.2. 哈希函数
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< / a >
< / li >
< li class = "md-nav__item" >
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< a href = "#713" class = "md-nav__link" >
7.1.3. 哈希冲突
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< / a >
< / li >
< / ul >
< / nav >
< / div >
< / div >
< / div >
< div class = "md-content" data-md-component = "content" >
< article class = "md-content__inner md-typeset" >
< a href = "https://github.com/krahets/hello-algo/tree/main/docs/chapter_hashing/hash_map.md" title = "编辑此页" class = "md-content__button md-icon" >
< svg xmlns = "http://www.w3.org/2000/svg" viewBox = "0 0 24 24" > < path d = "M10 20H6V4h7v5h5v3.1l2-2V8l-6-6H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h4v-2m10.2-7c.1 0 .3.1.4.2l1.3 1.3c.2.2.2.6 0 .8l-1 1-2.1-2.1 1-1c.1-.1.2-.2.4-.2m0 3.9L14.1 23H12v-2.1l6.1-6.1 2.1 2.1Z" / > < / svg >
< / a >
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< h1 id = "71" > 7.1. 哈希表< a class = "headerlink" href = "#71" title = "Permanent link" > ¶ < / a > < / h1 >
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< p > 哈希表通过建立「键 key」与「值 value」之间的映射， ， ， < span class = "arithmatex" > \(O(1)\)< / span > 时间内获取对应的 value 。< / p >
< p > 以一个包含 < span class = "arithmatex" > \(n\)< / span > 个学生的数据库为例，每个学生都有“姓名 < code > name< / code > ”和“学号 < code > id< / code > ”两项数据。假如我们希望实现查询功能，例如“输入一个学号，返回对应的姓名”，则可以采用哈希表来实现。< / p >
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< p > < img alt = "哈希表的抽象表示" src = "../hash_map.assets/hash_map.png" / > < / p >
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< p align = "center" > Fig. 哈希表的抽象表示 < / p >
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< p > 除哈希表外，我们还可以使用数组或链表实现查询功能，各项操作的时间复杂度如下表所示。< / p >
< p > 在哈希表中增删查改的时间复杂度都是 < span class = "arithmatex" > \(O(1)\)< / span > ，全面胜出！因此，哈希表常用于对查找效率要求较高的场景。< / p >
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< div class = "center-table" >
< table >
< thead >
< tr >
< th > < / th >
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< th > 数组< / th >
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< th > 链表< / th >
< th > 哈希表< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td > 查找元素< / td >
< td > < span class = "arithmatex" > \(O(n)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(n)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< / tr >
< tr >
< td > 插入元素< / 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 > 删除元素< / td >
< td > < span class = "arithmatex" > \(O(n)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(n)\)< / span > < / td >
< td > < span class = "arithmatex" > \(O(1)\)< / span > < / td >
< / tr >
< / tbody >
< / table >
< / div >
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< h2 id = "711" > 7.1.1. 哈希表常用操作< a class = "headerlink" href = "#711" title = "Permanent link" > ¶ < / a > < / h2 >
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< p > 哈希表的基本操作包括 < strong > 初始化、查询操作、添加与删除键值对< / strong > 。< / p >
< div class = "tabbed-set tabbed-alternate" data-tabs = "1:10" > < 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" / > < input id = "__tabbed_1_6" name = "__tabbed_1" type = "radio" / > < input id = "__tabbed_1_7" name = "__tabbed_1" type = "radio" / > < input id = "__tabbed_1_8" name = "__tabbed_1" type = "radio" / > < input id = "__tabbed_1_9" name = "__tabbed_1" type = "radio" / > < input id = "__tabbed_1_10" name = "__tabbed_1" type = "radio" / > < div class = "tabbed-labels" > < label for = "__tabbed_1_1" > Java< / label > < label for = "__tabbed_1_2" > C++< / label > < label for = "__tabbed_1_3" > Python< / label > < label for = "__tabbed_1_4" > Go< / label > < label for = "__tabbed_1_5" > JavaScript< / label > < label for = "__tabbed_1_6" > TypeScript< / label > < label for = "__tabbed_1_7" > C< / label > < label for = "__tabbed_1_8" > C#< / label > < label for = "__tabbed_1_9" > Swift< / label > < label for = "__tabbed_1_10" > Zig< / label > < / div >
< div class = "tabbed-content" >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.java< / span > < pre > < span > < / span > < code > < a id = "__codelineno-0-1" name = "__codelineno-0-1" href = "#__codelineno-0-1" > < / a > < span class = "cm" > /* 初始化哈希表 */< / span >
< a id = "__codelineno-0-2" name = "__codelineno-0-2" href = "#__codelineno-0-2" > < / a > < span class = "n" > Map< / span > < span class = "o" > < < / span > < span class = "n" > Integer< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > String< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > map< / 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-0-3" name = "__codelineno-0-3" href = "#__codelineno-0-3" > < / a >
< a id = "__codelineno-0-4" name = "__codelineno-0-4" href = "#__codelineno-0-4" > < / a > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-0-5" name = "__codelineno-0-5" href = "#__codelineno-0-5" > < / a > < span class = "c1" > // 在哈希表中添加键值对 (key, value)< / span >
< a id = "__codelineno-0-6" name = "__codelineno-0-6" href = "#__codelineno-0-6" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "na" > put< / span > < span class = "p" > (< / span > < span class = "mi" > 12836< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小哈" < / span > < span class = "p" > );< / span > < span class = "w" > < / span >
< a id = "__codelineno-0-7" name = "__codelineno-0-7" href = "#__codelineno-0-7" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "na" > put< / span > < span class = "p" > (< / span > < span class = "mi" > 15937< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小啰" < / span > < span class = "p" > );< / span > < span class = "w" > < / span >
< a id = "__codelineno-0-8" name = "__codelineno-0-8" href = "#__codelineno-0-8" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "na" > put< / span > < span class = "p" > (< / span > < span class = "mi" > 16750< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小算" < / span > < span class = "p" > );< / span > < span class = "w" > < / span >
< a id = "__codelineno-0-9" name = "__codelineno-0-9" href = "#__codelineno-0-9" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "na" > put< / span > < span class = "p" > (< / span > < span class = "mi" > 13276< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小法" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-0-10" name = "__codelineno-0-10" href = "#__codelineno-0-10" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "na" > put< / span > < span class = "p" > (< / span > < span class = "mi" > 10583< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小鸭" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-0-11" name = "__codelineno-0-11" href = "#__codelineno-0-11" > < / a >
< a id = "__codelineno-0-12" name = "__codelineno-0-12" href = "#__codelineno-0-12" > < / a > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-0-13" name = "__codelineno-0-13" href = "#__codelineno-0-13" > < / a > < span class = "c1" > // 向哈希表输入键 key ，得到值 value< / span >
< a id = "__codelineno-0-14" name = "__codelineno-0-14" href = "#__codelineno-0-14" > < / a > < span class = "n" > String< / span > < span class = "w" > < / span > < span class = "n" > name< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "mi" > 15937< / span > < span class = "p" > );< / span >
< a id = "__codelineno-0-15" name = "__codelineno-0-15" href = "#__codelineno-0-15" > < / a >
< a id = "__codelineno-0-16" name = "__codelineno-0-16" href = "#__codelineno-0-16" > < / a > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-0-17" name = "__codelineno-0-17" href = "#__codelineno-0-17" > < / a > < span class = "c1" > // 在哈希表中删除键值对 (key, value)< / span >
< a id = "__codelineno-0-18" name = "__codelineno-0-18" href = "#__codelineno-0-18" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "na" > remove< / span > < span class = "p" > (< / span > < span class = "mi" > 10583< / span > < span class = "p" > );< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.cpp< / span > < pre > < span > < / span > < code > < a id = "__codelineno-1-1" name = "__codelineno-1-1" href = "#__codelineno-1-1" > < / a > < span class = "cm" > /* 初始化哈希表 */< / span >
< a id = "__codelineno-1-2" name = "__codelineno-1-2" href = "#__codelineno-1-2" > < / a > < span class = "n" > unordered_map< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > string< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-3" name = "__codelineno-1-3" href = "#__codelineno-1-3" > < / a >
< a id = "__codelineno-1-4" name = "__codelineno-1-4" href = "#__codelineno-1-4" > < / a > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-1-5" name = "__codelineno-1-5" href = "#__codelineno-1-5" > < / a > < span class = "c1" > // 在哈希表中添加键值对 (key, value)< / span >
< a id = "__codelineno-1-6" name = "__codelineno-1-6" href = "#__codelineno-1-6" > < / a > < span class = "n" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 12836< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小哈" < / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-7" name = "__codelineno-1-7" href = "#__codelineno-1-7" > < / a > < span class = "n" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 15937< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小啰" < / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-8" name = "__codelineno-1-8" href = "#__codelineno-1-8" > < / a > < span class = "n" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 16750< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小算" < / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-9" name = "__codelineno-1-9" href = "#__codelineno-1-9" > < / a > < span class = "n" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 13276< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小法" < / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-10" name = "__codelineno-1-10" href = "#__codelineno-1-10" > < / a > < span class = "n" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 10583< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小鸭" < / span > < span class = "p" > ;< / span >
< a id = "__codelineno-1-11" name = "__codelineno-1-11" href = "#__codelineno-1-11" > < / a >
< a id = "__codelineno-1-12" name = "__codelineno-1-12" href = "#__codelineno-1-12" > < / a > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-1-13" name = "__codelineno-1-13" href = "#__codelineno-1-13" > < / a > < span class = "c1" > // 向哈希表输入键 key ，得到值 value< / span >
< a id = "__codelineno-1-14" name = "__codelineno-1-14" href = "#__codelineno-1-14" > < / a > < span class = "n" > string< / span > < span class = "w" > < / span > < span class = "n" > name< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 15937< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-1-15" name = "__codelineno-1-15" href = "#__codelineno-1-15" > < / a >
< a id = "__codelineno-1-16" name = "__codelineno-1-16" href = "#__codelineno-1-16" > < / a > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-1-17" name = "__codelineno-1-17" href = "#__codelineno-1-17" > < / a > < span class = "c1" > // 在哈希表中删除键值对 (key, value)< / span >
< a id = "__codelineno-1-18" name = "__codelineno-1-18" href = "#__codelineno-1-18" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "n" > erase< / span > < span class = "p" > (< / span > < span class = "mi" > 10583< / span > < span class = "p" > );< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
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< div class = "highlight" > < span class = "filename" > hash_map.py< / span > < pre > < span > < / span > < code > < a id = "__codelineno-2-1" name = "__codelineno-2-1" href = "#__codelineno-2-1" > < / a > < span class = "c1" > # 初始化哈希表< / span >
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< a id = "__codelineno-2-2" name = "__codelineno-2-2" href = "#__codelineno-2-2" > < / a > < span class = "n" > mapp< / span > < span class = "p" > :< / span > < span class = "n" > Dict< / span > < span class = "o" > =< / span > < span class = "p" > {}< / span >
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< a id = "__codelineno-2-3" name = "__codelineno-2-3" href = "#__codelineno-2-3" > < / a >
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< a id = "__codelineno-2-4" name = "__codelineno-2-4" href = "#__codelineno-2-4" > < / a > < span class = "c1" > # 添加操作< / span >
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< a id = "__codelineno-2-5" name = "__codelineno-2-5" href = "#__codelineno-2-5" > < / a > < span class = "c1" > # 在哈希表中添加键值对 (key, value)< / span >
< a id = "__codelineno-2-6" name = "__codelineno-2-6" href = "#__codelineno-2-6" > < / a > < span class = "n" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 12836< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "s2" > " 小哈" < / span >
< a id = "__codelineno-2-7" name = "__codelineno-2-7" href = "#__codelineno-2-7" > < / a > < span class = "n" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 15937< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "s2" > " 小啰" < / span >
< a id = "__codelineno-2-8" name = "__codelineno-2-8" href = "#__codelineno-2-8" > < / a > < span class = "n" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 16750< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "s2" > " 小算" < / span >
< a id = "__codelineno-2-9" name = "__codelineno-2-9" href = "#__codelineno-2-9" > < / a > < span class = "n" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 13276< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "s2" > " 小法" < / span >
< a id = "__codelineno-2-10" name = "__codelineno-2-10" href = "#__codelineno-2-10" > < / a > < span class = "n" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 10583< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "s2" > " 小鸭" < / span >
< a id = "__codelineno-2-11" name = "__codelineno-2-11" href = "#__codelineno-2-11" > < / a >
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< a id = "__codelineno-2-12" name = "__codelineno-2-12" href = "#__codelineno-2-12" > < / a > < span class = "c1" > # 查询操作< / span >
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< a id = "__codelineno-2-13" name = "__codelineno-2-13" href = "#__codelineno-2-13" > < / a > < span class = "c1" > # 向哈希表输入键 key ，得到值 value< / span >
2023-03-12 18:46:10 +08:00
< a id = "__codelineno-2-14" name = "__codelineno-2-14" href = "#__codelineno-2-14" > < / a > < span class = "n" > name< / span > < span class = "p" > :< / span > < span class = "nb" > str< / span > < span class = "o" > =< / span > < span class = "n" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 15937< / span > < span class = "p" > ]< / span >
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< a id = "__codelineno-2-15" name = "__codelineno-2-15" href = "#__codelineno-2-15" > < / a >
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< a id = "__codelineno-2-16" name = "__codelineno-2-16" href = "#__codelineno-2-16" > < / a > < span class = "c1" > # 删除操作< / span >
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< a id = "__codelineno-2-17" name = "__codelineno-2-17" href = "#__codelineno-2-17" > < / a > < span class = "c1" > # 在哈希表中删除键值对 (key, value)< / span >
< a id = "__codelineno-2-18" name = "__codelineno-2-18" href = "#__codelineno-2-18" > < / a > < span class = "n" > mapp< / span > < span class = "o" > .< / span > < span class = "n" > pop< / span > < span class = "p" > (< / span > < span class = "mi" > 10583< / span > < span class = "p" > )< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.go< / span > < pre > < span > < / span > < code > < a id = "__codelineno-3-1" name = "__codelineno-3-1" href = "#__codelineno-3-1" > < / a > < span class = "cm" > /* 初始化哈希表 */< / span >
< a id = "__codelineno-3-2" name = "__codelineno-3-2" href = "#__codelineno-3-2" > < / a > < span class = "nx" > mapp< / span > < span class = "w" > < / span > < span class = "o" > :=< / 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 = "kt" > int< / span > < span class = "p" > ]< / span > < span class = "kt" > string< / span > < span class = "p" > )< / span >
< a id = "__codelineno-3-3" name = "__codelineno-3-3" href = "#__codelineno-3-3" > < / a >
< a id = "__codelineno-3-4" name = "__codelineno-3-4" href = "#__codelineno-3-4" > < / a > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-3-5" name = "__codelineno-3-5" href = "#__codelineno-3-5" > < / a > < span class = "c1" > // 在哈希表中添加键值对 (key, value)< / span >
< a id = "__codelineno-3-6" name = "__codelineno-3-6" href = "#__codelineno-3-6" > < / a > < span class = "nx" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 12836< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小哈" < / span >
< a id = "__codelineno-3-7" name = "__codelineno-3-7" href = "#__codelineno-3-7" > < / a > < span class = "nx" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 15937< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小啰" < / span >
< a id = "__codelineno-3-8" name = "__codelineno-3-8" href = "#__codelineno-3-8" > < / a > < span class = "nx" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 16750< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小算" < / span >
< a id = "__codelineno-3-9" name = "__codelineno-3-9" href = "#__codelineno-3-9" > < / a > < span class = "nx" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 13276< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小法" < / span >
< a id = "__codelineno-3-10" name = "__codelineno-3-10" href = "#__codelineno-3-10" > < / a > < span class = "nx" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 10583< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "s" > " 小鸭" < / span >
< a id = "__codelineno-3-11" name = "__codelineno-3-11" href = "#__codelineno-3-11" > < / a >
< a id = "__codelineno-3-12" name = "__codelineno-3-12" href = "#__codelineno-3-12" > < / a > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-3-13" name = "__codelineno-3-13" href = "#__codelineno-3-13" > < / a > < span class = "c1" > // 向哈希表输入键 key ，得到值 value< / span >
< a id = "__codelineno-3-14" name = "__codelineno-3-14" href = "#__codelineno-3-14" > < / a > < span class = "nx" > name< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > mapp< / span > < span class = "p" > [< / span > < span class = "mi" > 15937< / span > < span class = "p" > ]< / span >
< a id = "__codelineno-3-15" name = "__codelineno-3-15" href = "#__codelineno-3-15" > < / a >
< a id = "__codelineno-3-16" name = "__codelineno-3-16" href = "#__codelineno-3-16" > < / a > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-3-17" name = "__codelineno-3-17" href = "#__codelineno-3-17" > < / a > < span class = "c1" > // 在哈希表中删除键值对 (key, value)< / span >
< a id = "__codelineno-3-18" name = "__codelineno-3-18" href = "#__codelineno-3-18" > < / a > < span class = "nb" > delete< / span > < span class = "p" > (< / span > < span class = "nx" > mapp< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mi" > 10583< / span > < span class = "p" > )< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.js< / span > < pre > < span > < / span > < code > < a id = "__codelineno-4-1" name = "__codelineno-4-1" href = "#__codelineno-4-1" > < / a > < span class = "cm" > /* 初始化哈希表 */< / span >
< a id = "__codelineno-4-2" name = "__codelineno-4-2" href = "#__codelineno-4-2" > < / a > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > map< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "nx" > ArrayHashMap< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-4-3" name = "__codelineno-4-3" href = "#__codelineno-4-3" > < / a > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-4-4" name = "__codelineno-4-4" href = "#__codelineno-4-4" > < / a > < span class = "c1" > // 在哈希表中添加键值对 (key, value)< / span >
< a id = "__codelineno-4-5" name = "__codelineno-4-5" href = "#__codelineno-4-5" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 12836< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小哈' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-4-6" name = "__codelineno-4-6" href = "#__codelineno-4-6" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 15937< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小啰' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-4-7" name = "__codelineno-4-7" href = "#__codelineno-4-7" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 16750< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小算' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-4-8" name = "__codelineno-4-8" href = "#__codelineno-4-8" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 13276< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小法' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-4-9" name = "__codelineno-4-9" href = "#__codelineno-4-9" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 10583< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小鸭' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-4-10" name = "__codelineno-4-10" href = "#__codelineno-4-10" > < / a >
< a id = "__codelineno-4-11" name = "__codelineno-4-11" href = "#__codelineno-4-11" > < / a > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-4-12" name = "__codelineno-4-12" href = "#__codelineno-4-12" > < / a > < span class = "c1" > // 向哈希表输入键 key ，得到值 value< / span >
< a id = "__codelineno-4-13" name = "__codelineno-4-13" href = "#__codelineno-4-13" > < / a > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > name< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "mf" > 15937< / span > < span class = "p" > );< / span >
< a id = "__codelineno-4-14" name = "__codelineno-4-14" href = "#__codelineno-4-14" > < / a >
< a id = "__codelineno-4-15" name = "__codelineno-4-15" href = "#__codelineno-4-15" > < / a > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-4-16" name = "__codelineno-4-16" href = "#__codelineno-4-16" > < / a > < span class = "c1" > // 在哈希表中删除键值对 (key, value)< / span >
< a id = "__codelineno-4-17" name = "__codelineno-4-17" href = "#__codelineno-4-17" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "ow" > delete< / span > < span class = "p" > (< / span > < span class = "mf" > 10583< / span > < span class = "p" > );< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.ts< / span > < pre > < span > < / span > < code > < a id = "__codelineno-5-1" name = "__codelineno-5-1" href = "#__codelineno-5-1" > < / a > < span class = "cm" > /* 初始化哈希表 */< / span >
< a id = "__codelineno-5-2" name = "__codelineno-5-2" href = "#__codelineno-5-2" > < / a > < span class = "kd" > const< / span > < span class = "w" > < / span > < span class = "nx" > map< / 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 = "o" > < < / span > < span class = "kt" > number< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "o" > > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-5-3" name = "__codelineno-5-3" href = "#__codelineno-5-3" > < / a > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-5-4" name = "__codelineno-5-4" href = "#__codelineno-5-4" > < / a > < span class = "c1" > // 在哈希表中添加键值对 (key, value)< / span >
< a id = "__codelineno-5-5" name = "__codelineno-5-5" href = "#__codelineno-5-5" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 12836< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小哈' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-6" name = "__codelineno-5-6" href = "#__codelineno-5-6" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 15937< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小啰' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-7" name = "__codelineno-5-7" href = "#__codelineno-5-7" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 16750< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小算' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-8" name = "__codelineno-5-8" href = "#__codelineno-5-8" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 13276< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小法' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-9" name = "__codelineno-5-9" href = "#__codelineno-5-9" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "mf" > 10583< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s1" > ' 小鸭' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-10" name = "__codelineno-5-10" href = "#__codelineno-5-10" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "s1" > ' \n添加完成后， > Value' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-11" name = "__codelineno-5-11" href = "#__codelineno-5-11" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "nx" > map< / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-12" name = "__codelineno-5-12" href = "#__codelineno-5-12" > < / a >
< a id = "__codelineno-5-13" name = "__codelineno-5-13" href = "#__codelineno-5-13" > < / a > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-5-14" name = "__codelineno-5-14" href = "#__codelineno-5-14" > < / a > < span class = "c1" > // 向哈希表输入键 key ，得到值 value< / span >
< a id = "__codelineno-5-15" name = "__codelineno-5-15" href = "#__codelineno-5-15" > < / a > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > name< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "mf" > 15937< / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-16" name = "__codelineno-5-16" href = "#__codelineno-5-16" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "s1" > ' \n输入学号 15937 ，查询到姓名 ' < / span > < span class = "w" > < / span > < span class = "o" > +< / span > < span class = "w" > < / span > < span class = "nx" > name< / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-17" name = "__codelineno-5-17" href = "#__codelineno-5-17" > < / a >
< a id = "__codelineno-5-18" name = "__codelineno-5-18" href = "#__codelineno-5-18" > < / a > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-5-19" name = "__codelineno-5-19" href = "#__codelineno-5-19" > < / a > < span class = "c1" > // 在哈希表中删除键值对 (key, value)< / span >
< a id = "__codelineno-5-20" name = "__codelineno-5-20" href = "#__codelineno-5-20" > < / a > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "ow" > delete< / span > < span class = "p" > (< / span > < span class = "mf" > 10583< / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-21" name = "__codelineno-5-21" href = "#__codelineno-5-21" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "s1" > ' \n删除 10583 后，哈希表为\nKey -> Value' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-5-22" name = "__codelineno-5-22" href = "#__codelineno-5-22" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "nx" > map< / span > < span class = "p" > );< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-04-18 20:19:15 +08:00
< div class = "highlight" > < span class = "filename" > hash_map.c< / span > < pre > < span > < / span > < code > < a id = "__codelineno-6-1" name = "__codelineno-6-1" href = "#__codelineno-6-1" > < / a > < span class = "c1" > // C 未提供内置哈希表< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.cs< / span > < pre > < span > < / span > < code > < a id = "__codelineno-7-1" name = "__codelineno-7-1" href = "#__codelineno-7-1" > < / a > < span class = "cm" > /* 初始化哈希表 */< / span >
< a id = "__codelineno-7-2" name = "__codelineno-7-2" href = "#__codelineno-7-2" > < / a > < span class = "n" > Dictionary< / span > < span class = "o" > < < / span > < span class = "kt" > int< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > String< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "w" > < / span > < span class = "p" > ();< / span >
< a id = "__codelineno-7-3" name = "__codelineno-7-3" href = "#__codelineno-7-3" > < / a >
< a id = "__codelineno-7-4" name = "__codelineno-7-4" href = "#__codelineno-7-4" > < / a > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-7-5" name = "__codelineno-7-5" href = "#__codelineno-7-5" > < / a > < span class = "c1" > // 在哈希表中添加键值对 (key, value)< / span >
< a id = "__codelineno-7-6" name = "__codelineno-7-6" href = "#__codelineno-7-6" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "m" > 12836< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小哈" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-7" name = "__codelineno-7-7" href = "#__codelineno-7-7" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "m" > 15937< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小啰" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-8" name = "__codelineno-7-8" href = "#__codelineno-7-8" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "m" > 16750< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小算" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-9" name = "__codelineno-7-9" href = "#__codelineno-7-9" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "m" > 13276< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小法" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-10" name = "__codelineno-7-10" href = "#__codelineno-7-10" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "m" > 10583< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " 小鸭" < / span > < span class = "p" > );< / span >
< a id = "__codelineno-7-11" name = "__codelineno-7-11" href = "#__codelineno-7-11" > < / a >
< a id = "__codelineno-7-12" name = "__codelineno-7-12" href = "#__codelineno-7-12" > < / a > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-7-13" name = "__codelineno-7-13" href = "#__codelineno-7-13" > < / a > < span class = "c1" > // 向哈希表输入键 key ，得到值 value< / span >
< a id = "__codelineno-7-14" name = "__codelineno-7-14" href = "#__codelineno-7-14" > < / a > < span class = "n" > String< / span > < span class = "w" > < / span > < span class = "n" > name< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > [< / span > < span class = "m" > 15937< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-7-15" name = "__codelineno-7-15" href = "#__codelineno-7-15" > < / a >
< a id = "__codelineno-7-16" name = "__codelineno-7-16" href = "#__codelineno-7-16" > < / a > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-7-17" name = "__codelineno-7-17" href = "#__codelineno-7-17" > < / a > < span class = "c1" > // 在哈希表中删除键值对 (key, value)< / span >
< a id = "__codelineno-7-18" name = "__codelineno-7-18" href = "#__codelineno-7-18" > < / a > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "n" > Remove< / span > < span class = "p" > (< / span > < span class = "m" > 10583< / span > < span class = "p" > );< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.swift< / span > < pre > < span > < / span > < code > < a id = "__codelineno-8-1" name = "__codelineno-8-1" href = "#__codelineno-8-1" > < / a > < span class = "cm" > /* 初始化哈希表 */< / span >
< a id = "__codelineno-8-2" name = "__codelineno-8-2" href = "#__codelineno-8-2" > < / a > < span class = "kd" > var< / span > < span class = "nv" > map< / span > < span class = "p" > :< / span > < span class = "p" > [< / span > < span class = "nb" > Int< / span > < span class = "p" > :< / span > < span class = "nb" > String< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "p" > [:]< / span >
< a id = "__codelineno-8-3" name = "__codelineno-8-3" href = "#__codelineno-8-3" > < / a >
< a id = "__codelineno-8-4" name = "__codelineno-8-4" href = "#__codelineno-8-4" > < / a > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-8-5" name = "__codelineno-8-5" href = "#__codelineno-8-5" > < / a > < span class = "c1" > // 在哈希表中添加键值对 (key, value)< / span >
< a id = "__codelineno-8-6" name = "__codelineno-8-6" href = "#__codelineno-8-6" > < / a > < span class = "bp" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 12836< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "s" > " 小哈" < / span >
< a id = "__codelineno-8-7" name = "__codelineno-8-7" href = "#__codelineno-8-7" > < / a > < span class = "bp" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 15937< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "s" > " 小啰" < / span >
< a id = "__codelineno-8-8" name = "__codelineno-8-8" href = "#__codelineno-8-8" > < / a > < span class = "bp" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 16750< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "s" > " 小算" < / span >
< a id = "__codelineno-8-9" name = "__codelineno-8-9" href = "#__codelineno-8-9" > < / a > < span class = "bp" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 13276< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "s" > " 小法" < / span >
< a id = "__codelineno-8-10" name = "__codelineno-8-10" href = "#__codelineno-8-10" > < / a > < span class = "bp" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 10583< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "s" > " 小鸭" < / span >
< a id = "__codelineno-8-11" name = "__codelineno-8-11" href = "#__codelineno-8-11" > < / a >
< a id = "__codelineno-8-12" name = "__codelineno-8-12" href = "#__codelineno-8-12" > < / a > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-8-13" name = "__codelineno-8-13" href = "#__codelineno-8-13" > < / a > < span class = "c1" > // 向哈希表输入键 key ，得到值 value< / span >
< a id = "__codelineno-8-14" name = "__codelineno-8-14" href = "#__codelineno-8-14" > < / a > < span class = "kd" > let< / span > < span class = "nv" > name< / span > < span class = "p" > =< / span > < span class = "bp" > map< / span > < span class = "p" > [< / span > < span class = "mi" > 15937< / span > < span class = "p" > ]< / span > < span class = "o" > !< / span >
< a id = "__codelineno-8-15" name = "__codelineno-8-15" href = "#__codelineno-8-15" > < / a >
< a id = "__codelineno-8-16" name = "__codelineno-8-16" href = "#__codelineno-8-16" > < / a > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-8-17" name = "__codelineno-8-17" href = "#__codelineno-8-17" > < / a > < span class = "c1" > // 在哈希表中删除键值对 (key, value)< / span >
< a id = "__codelineno-8-18" name = "__codelineno-8-18" href = "#__codelineno-8-18" > < / a > < span class = "bp" > map< / 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 = "mi" > 10583< / span > < span class = "p" > )< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.zig< / span > < pre > < span > < / span > < code > < a id = "__codelineno-9-1" name = "__codelineno-9-1" href = "#__codelineno-9-1" > < / a >
< / code > < / pre > < / div >
< / div >
< / div >
< / div >
< p > 遍历哈希表有三种方式，即 < strong > 遍历键值对、遍历键、遍历值< / strong > 。< / p >
< div class = "tabbed-set tabbed-alternate" data-tabs = "2:10" > < 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" / > < div class = "tabbed-labels" > < label for = "__tabbed_2_1" > Java< / label > < label for = "__tabbed_2_2" > C++< / label > < label for = "__tabbed_2_3" > Python< / label > < label for = "__tabbed_2_4" > Go< / label > < label for = "__tabbed_2_5" > JavaScript< / label > < label for = "__tabbed_2_6" > TypeScript< / label > < label for = "__tabbed_2_7" > C< / label > < label for = "__tabbed_2_8" > C#< / label > < label for = "__tabbed_2_9" > Swift< / label > < label for = "__tabbed_2_10" > Zig< / label > < / div >
< div class = "tabbed-content" >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.java< / span > < pre > < span > < / span > < code > < a id = "__codelineno-10-1" name = "__codelineno-10-1" href = "#__codelineno-10-1" > < / a > < span class = "cm" > /* 遍历哈希表 */< / span >
< a id = "__codelineno-10-2" name = "__codelineno-10-2" href = "#__codelineno-10-2" > < / a > < span class = "c1" > // 遍历键值对 key-> value< / span >
< a id = "__codelineno-10-3" name = "__codelineno-10-3" href = "#__codelineno-10-3" > < / a > < 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 = "w" > < / span > < span class = "o" > < < / span > < span class = "n" > Integer< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > String< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > kv< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > map< / 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-10-4" name = "__codelineno-10-4" href = "#__codelineno-10-4" > < / 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" > kv< / span > < span class = "p" > .< / span > < span class = "na" > getKey< / span > < span class = "p" > ()< / 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" > kv< / span > < span class = "p" > .< / span > < span class = "na" > getValue< / span > < span class = "p" > ());< / span >
< a id = "__codelineno-10-5" name = "__codelineno-10-5" href = "#__codelineno-10-5" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-10-6" name = "__codelineno-10-6" href = "#__codelineno-10-6" > < / a > < span class = "c1" > // 单独遍历键 key< / span >
< a id = "__codelineno-10-7" name = "__codelineno-10-7" href = "#__codelineno-10-7" > < / a > < 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" > key< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "na" > keySet< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-10-8" name = "__codelineno-10-8" href = "#__codelineno-10-8" > < / 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" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-9" name = "__codelineno-10-9" href = "#__codelineno-10-9" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-10-10" name = "__codelineno-10-10" href = "#__codelineno-10-10" > < / a > < span class = "c1" > // 单独遍历值 value< / span >
< a id = "__codelineno-10-11" name = "__codelineno-10-11" href = "#__codelineno-10-11" > < / a > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > String< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > map< / 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-10-12" name = "__codelineno-10-12" href = "#__codelineno-10-12" > < / 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" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-10-13" name = "__codelineno-10-13" href = "#__codelineno-10-13" > < / a > < span class = "p" > }< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.cpp< / span > < pre > < span > < / span > < code > < a id = "__codelineno-11-1" name = "__codelineno-11-1" href = "#__codelineno-11-1" > < / a > < span class = "cm" > /* 遍历哈希表 */< / span >
< a id = "__codelineno-11-2" name = "__codelineno-11-2" href = "#__codelineno-11-2" > < / a > < span class = "c1" > // 遍历键值对 key-> value< / span >
< a id = "__codelineno-11-3" name = "__codelineno-11-3" href = "#__codelineno-11-3" > < / a > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "k" > auto< / span > < span class = "w" > < / span > < span class = "n" > kv< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-11-4" name = "__codelineno-11-4" href = "#__codelineno-11-4" > < / 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" > kv< / span > < span class = "p" > .< / span > < span class = "n" > first< / 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" > kv< / span > < span class = "p" > .< / span > < span class = "n" > second< / 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-11-5" name = "__codelineno-11-5" href = "#__codelineno-11-5" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-11-6" name = "__codelineno-11-6" href = "#__codelineno-11-6" > < / a > < span class = "c1" > // 单独遍历键 key< / span >
< a id = "__codelineno-11-7" name = "__codelineno-11-7" href = "#__codelineno-11-7" > < / a > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "k" > auto< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-11-8" name = "__codelineno-11-8" href = "#__codelineno-11-8" > < / 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 = "p" > .< / span > < span class = "n" > first< / 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-11-9" name = "__codelineno-11-9" href = "#__codelineno-11-9" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-11-10" name = "__codelineno-11-10" href = "#__codelineno-11-10" > < / a > < span class = "c1" > // 单独遍历值 value< / span >
< a id = "__codelineno-11-11" name = "__codelineno-11-11" href = "#__codelineno-11-11" > < / a > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "k" > auto< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-11-12" name = "__codelineno-11-12" href = "#__codelineno-11-12" > < / 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" > val< / span > < span class = "p" > .< / span > < span class = "n" > second< / 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-11-13" name = "__codelineno-11-13" href = "#__codelineno-11-13" > < / a > < span class = "p" > }< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-04-09 05:30:54 +08:00
< div class = "highlight" > < span class = "filename" > hash_map.py< / span > < pre > < span > < / span > < code > < a id = "__codelineno-12-1" name = "__codelineno-12-1" href = "#__codelineno-12-1" > < / a > < span class = "c1" > # 遍历哈希表< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-12-2" name = "__codelineno-12-2" href = "#__codelineno-12-2" > < / a > < span class = "c1" > # 遍历键值对 key-> value< / span >
< a id = "__codelineno-12-3" name = "__codelineno-12-3" href = "#__codelineno-12-3" > < / a > < span class = "k" > for< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "ow" > in< / span > < span class = "n" > mapp< / span > < span class = "o" > .< / span > < span class = "n" > items< / span > < span class = "p" > ():< / span >
< a id = "__codelineno-12-4" name = "__codelineno-12-4" href = "#__codelineno-12-4" > < / a > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "s2" > " -> " < / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-5" name = "__codelineno-12-5" href = "#__codelineno-12-5" > < / a > < span class = "c1" > # 单独遍历键 key< / span >
< a id = "__codelineno-12-6" name = "__codelineno-12-6" href = "#__codelineno-12-6" > < / a > < span class = "k" > for< / span > < span class = "n" > key< / span > < span class = "ow" > in< / span > < span class = "n" > mapp< / span > < span class = "o" > .< / span > < span class = "n" > keys< / span > < span class = "p" > ():< / span >
< a id = "__codelineno-12-7" name = "__codelineno-12-7" href = "#__codelineno-12-7" > < / a > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-12-8" name = "__codelineno-12-8" href = "#__codelineno-12-8" > < / a > < span class = "c1" > # 单独遍历值 value< / span >
< a id = "__codelineno-12-9" name = "__codelineno-12-9" href = "#__codelineno-12-9" > < / a > < span class = "k" > for< / span > < span class = "n" > value< / span > < span class = "ow" > in< / span > < span class = "n" > mapp< / span > < span class = "o" > .< / span > < span class = "n" > values< / span > < span class = "p" > ():< / span >
< a id = "__codelineno-12-10" name = "__codelineno-12-10" href = "#__codelineno-12-10" > < / a > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map_test.go< / span > < pre > < span > < / span > < code > < a id = "__codelineno-13-1" name = "__codelineno-13-1" href = "#__codelineno-13-1" > < / a > < span class = "cm" > /* 遍历哈希表 */< / span >
< a id = "__codelineno-13-2" name = "__codelineno-13-2" href = "#__codelineno-13-2" > < / a > < span class = "c1" > // 遍历键值对 key-> value< / span >
< a id = "__codelineno-13-3" name = "__codelineno-13-3" href = "#__codelineno-13-3" > < / a > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > value< / 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" > mapp< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-4" name = "__codelineno-13-4" href = "#__codelineno-13-4" > < / 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" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " -> " < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > value< / span > < span class = "p" > )< / span >
< a id = "__codelineno-13-5" name = "__codelineno-13-5" href = "#__codelineno-13-5" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-13-6" name = "__codelineno-13-6" href = "#__codelineno-13-6" > < / a > < span class = "c1" > // 单独遍历键 key< / span >
< a id = "__codelineno-13-7" name = "__codelineno-13-7" href = "#__codelineno-13-7" > < / a > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > key< / 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" > mapp< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-13-8" name = "__codelineno-13-8" href = "#__codelineno-13-8" > < / 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" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-13-9" name = "__codelineno-13-9" href = "#__codelineno-13-9" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-13-10" name = "__codelineno-13-10" href = "#__codelineno-13-10" > < / a > < span class = "c1" > // 单独遍历值 value< / span >
< a id = "__codelineno-13-11" name = "__codelineno-13-11" href = "#__codelineno-13-11" > < / a > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "nx" > _< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > value< / 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" > mapp< / span > < span class = "w" > < / 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 = "nx" > fmt< / span > < span class = "p" > .< / span > < span class = "nx" > Println< / span > < span class = "p" > (< / span > < span class = "nx" > value< / span > < span class = "p" > )< / span >
< a id = "__codelineno-13-13" name = "__codelineno-13-13" href = "#__codelineno-13-13" > < / a > < span class = "p" > }< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.js< / span > < pre > < span > < / span > < code > < a id = "__codelineno-14-1" name = "__codelineno-14-1" href = "#__codelineno-14-1" > < / a > < span class = "cm" > /* 遍历哈希表 */< / span >
2023-02-13 16:26:34 +08:00
< a id = "__codelineno-14-2" name = "__codelineno-14-2" href = "#__codelineno-14-2" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "s1" > ' \n遍历键值对 Key-> Value' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-3" name = "__codelineno-14-3" href = "#__codelineno-14-3" > < / a > < 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" > k< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > v< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > map< / 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-14-4" name = "__codelineno-14-4" href = "#__codelineno-14-4" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "nx" > k< / 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" > v< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-5" name = "__codelineno-14-5" href = "#__codelineno-14-5" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-14-6" name = "__codelineno-14-6" href = "#__codelineno-14-6" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "s1" > ' \n单独遍历键 Key' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-7" name = "__codelineno-14-7" href = "#__codelineno-14-7" > < / a > < 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" > k< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > keys< / 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 = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "nx" > k< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-9" name = "__codelineno-14-9" href = "#__codelineno-14-9" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-14-10" name = "__codelineno-14-10" href = "#__codelineno-14-10" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "s1" > ' \n单独遍历值 Value' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-11" name = "__codelineno-14-11" href = "#__codelineno-14-11" > < / a > < 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" > v< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > map< / 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-14-12" name = "__codelineno-14-12" href = "#__codelineno-14-12" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "nx" > v< / span > < span class = "p" > );< / span >
< a id = "__codelineno-14-13" name = "__codelineno-14-13" href = "#__codelineno-14-13" > < / a > < span class = "p" > }< / span >
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< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.ts< / span > < pre > < span > < / span > < code > < a id = "__codelineno-15-1" name = "__codelineno-15-1" href = "#__codelineno-15-1" > < / a > < span class = "cm" > /* 遍历哈希表 */< / span >
< a id = "__codelineno-15-2" name = "__codelineno-15-2" href = "#__codelineno-15-2" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "s1" > ' \n遍历键值对 Key-> Value' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-3" name = "__codelineno-15-3" href = "#__codelineno-15-3" > < / a > < 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" > k< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > v< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > map< / 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-15-4" name = "__codelineno-15-4" href = "#__codelineno-15-4" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "nx" > k< / 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" > v< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-5" name = "__codelineno-15-5" href = "#__codelineno-15-5" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-15-6" name = "__codelineno-15-6" href = "#__codelineno-15-6" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "s1" > ' \n单独遍历键 Key' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-7" name = "__codelineno-15-7" href = "#__codelineno-15-7" > < / a > < 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" > k< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > map< / span > < span class = "p" > .< / span > < span class = "nx" > keys< / 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 = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "nx" > k< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-9" name = "__codelineno-15-9" href = "#__codelineno-15-9" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-15-10" name = "__codelineno-15-10" href = "#__codelineno-15-10" > < / a > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "s1" > ' \n单独遍历值 Value' < / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-11" name = "__codelineno-15-11" href = "#__codelineno-15-11" > < / a > < 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" > v< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > map< / 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-15-12" name = "__codelineno-15-12" href = "#__codelineno-15-12" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "nx" > v< / span > < span class = "p" > );< / span >
< a id = "__codelineno-15-13" name = "__codelineno-15-13" href = "#__codelineno-15-13" > < / a > < span class = "p" > }< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
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< div class = "highlight" > < span class = "filename" > hash_map.c< / span > < pre > < span > < / span > < code > < a id = "__codelineno-16-1" name = "__codelineno-16-1" href = "#__codelineno-16-1" > < / a > < span class = "c1" > // C 未提供内置哈希表< / span >
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< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.cs< / span > < pre > < span > < / span > < code > < a id = "__codelineno-17-1" name = "__codelineno-17-1" href = "#__codelineno-17-1" > < / a > < span class = "cm" > /* 遍历哈希表 */< / span >
< a id = "__codelineno-17-2" name = "__codelineno-17-2" href = "#__codelineno-17-2" > < / a > < span class = "c1" > // 遍历键值对 Key-> Value< / span >
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< a id = "__codelineno-17-3" name = "__codelineno-17-3" href = "#__codelineno-17-3" > < / a > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > var< / span > < span class = "w" > < / span > < span class = "n" > kv< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-4" name = "__codelineno-17-4" href = "#__codelineno-17-4" > < / a > < span class = "p" > {< / span >
< a id = "__codelineno-17-5" name = "__codelineno-17-5" href = "#__codelineno-17-5" > < / 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" > kv< / span > < span class = "p" > .< / span > < span class = "n" > Key< / 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" > kv< / span > < span class = "p" > .< / span > < span class = "n" > Value< / span > < span class = "p" > );< / span >
< a id = "__codelineno-17-6" name = "__codelineno-17-6" href = "#__codelineno-17-6" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-7" name = "__codelineno-17-7" href = "#__codelineno-17-7" > < / a > < span class = "c1" > // 单独遍历键 key< / span >
< a id = "__codelineno-17-8" name = "__codelineno-17-8" href = "#__codelineno-17-8" > < / a > < 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" > key< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > map< / span > < span class = "p" > .< / span > < span class = "n" > Keys< / span > < span class = "p" > )< / span >
< a id = "__codelineno-17-9" name = "__codelineno-17-9" href = "#__codelineno-17-9" > < / a > < span class = "p" > {< / span >
< a id = "__codelineno-17-10" name = "__codelineno-17-10" href = "#__codelineno-17-10" > < / 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" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-17-11" name = "__codelineno-17-11" href = "#__codelineno-17-11" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-17-12" name = "__codelineno-17-12" href = "#__codelineno-17-12" > < / a > < span class = "c1" > // 单独遍历值 value< / span >
< a id = "__codelineno-17-13" name = "__codelineno-17-13" href = "#__codelineno-17-13" > < / a > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > String< / 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" > map< / span > < span class = "p" > .< / span > < span class = "n" > Values< / 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 = "w" > < / span > < span class = "n" > Console< / span > < span class = "p" > .< / span > < span class = "n" > WriteLine< / span > < span class = "p" > (< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-17-16" name = "__codelineno-17-16" href = "#__codelineno-17-16" > < / a > < span class = "p" > }< / span >
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< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.swift< / span > < pre > < span > < / span > < code > < a id = "__codelineno-18-1" name = "__codelineno-18-1" href = "#__codelineno-18-1" > < / a > < span class = "cm" > /* 遍历哈希表 */< / span >
< a id = "__codelineno-18-2" name = "__codelineno-18-2" href = "#__codelineno-18-2" > < / a > < span class = "c1" > // 遍历键值对 Key-> Value< / span >
< a id = "__codelineno-18-3" name = "__codelineno-18-3" href = "#__codelineno-18-3" > < / a > < span class = "k" > for< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "n" > value< / span > < span class = "p" > )< / span > < span class = "k" > in< / span > < span class = "bp" > map< / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-4" name = "__codelineno-18-4" href = "#__codelineno-18-4" > < / a > < span class = "bp" > print< / span > < span class = "p" > (< / span > < span class = "s" > " < / span > < span class = "si" > \(< / span > < span class = "n" > key< / span > < span class = "si" > )< / span > < span class = "s" > -> < / span > < span class = "si" > \(< / span > < span class = "n" > value< / span > < span class = "si" > )< / span > < span class = "s" > " < / span > < span class = "p" > )< / span >
< a id = "__codelineno-18-5" name = "__codelineno-18-5" href = "#__codelineno-18-5" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-18-6" name = "__codelineno-18-6" href = "#__codelineno-18-6" > < / a > < span class = "c1" > // 单独遍历键 Key< / span >
< a id = "__codelineno-18-7" name = "__codelineno-18-7" href = "#__codelineno-18-7" > < / a > < span class = "k" > for< / span > < span class = "n" > key< / span > < span class = "k" > in< / span > < span class = "bp" > map< / span > < span class = "p" > .< / span > < span class = "n" > keys< / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-8" name = "__codelineno-18-8" href = "#__codelineno-18-8" > < / a > < span class = "bp" > print< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-18-9" name = "__codelineno-18-9" href = "#__codelineno-18-9" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-18-10" name = "__codelineno-18-10" href = "#__codelineno-18-10" > < / a > < span class = "c1" > // 单独遍历值 Value< / span >
< a id = "__codelineno-18-11" name = "__codelineno-18-11" href = "#__codelineno-18-11" > < / a > < span class = "k" > for< / span > < span class = "n" > value< / span > < span class = "k" > in< / span > < span class = "bp" > map< / span > < span class = "p" > .< / span > < span class = "n" > values< / span > < span class = "p" > {< / span >
< a id = "__codelineno-18-12" name = "__codelineno-18-12" href = "#__codelineno-18-12" > < / a > < span class = "bp" > print< / span > < span class = "p" > (< / span > < span class = "n" > value< / span > < span class = "p" > )< / span >
< a id = "__codelineno-18-13" name = "__codelineno-18-13" href = "#__codelineno-18-13" > < / a > < span class = "p" > }< / span >
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > hash_map.zig< / span > < pre > < span > < / span > < code > < a id = "__codelineno-19-1" name = "__codelineno-19-1" href = "#__codelineno-19-1" > < / a >
< / code > < / pre > < / div >
< / div >
< / div >
< / div >
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< h2 id = "712" > 7.1.2. 哈希函数< a class = "headerlink" href = "#712" title = "Permanent link" > ¶ < / a > < / h2 >
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< p > 哈希表的底层实现为数组，同时可能包含链表、二叉树（红黑树）等数据结构，以提高查询性能（将在下节讨论）。< / p >
< p > 首先考虑最简单的情况，< strong > 仅使用一个数组来实现哈希表< / strong > 。通常，我们将数组中的每个空位称为「桶 Bucket」， < / p >
< p > 我们将键值对 key, value 封装成一个类 < code > Entry< / code > ，并将所有 < code > Entry< / code > 放入数组中。这样，数组中的每个 < code > Entry< / code > 都具有唯一的索引。为了建立 key 和索引之间的映射关系，我们需要使用「哈希函数 Hash Function」。< / p >
< p > 设哈希表的数组为 < code > buckets< / code > ，哈希函数为 < code > f(x)< / code > ，那么查询操作的步骤如下：< / p >
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< ol >
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< li > 输入 < code > key< / code > ，通过哈希函数计算出索引 < code > index< / code > ，即 < code > index = f(key)< / code > ； < / li >
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< li > 通过索引在数组中访问到键值对 < code > entry< / code > ，即 < code > entry = buckets[index]< / code > ，然后从 < code > entry< / code > 中获取对应的 < code > value< / code > ； < / li >
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< / ol >
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< p > 以学生数据 < code > key 学号 -> value 姓名< / code > 为例，我们可以设计如下哈希函数：< / p >
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< div class = "arithmatex" > \[
f(x) = x \% 100
\]< / div >
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< p > < img alt = "哈希函数工作原理" src = "../hash_map.assets/hash_function.png" / > < / p >
< p align = "center" > Fig. 哈希函数工作原理 < / p >
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< div class = "tabbed-set tabbed-alternate" data-tabs = "3:10" > < 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" / > < input id = "__tabbed_3_6" name = "__tabbed_3" type = "radio" / > < input id = "__tabbed_3_7" name = "__tabbed_3" type = "radio" / > < input id = "__tabbed_3_8" name = "__tabbed_3" type = "radio" / > < input id = "__tabbed_3_9" name = "__tabbed_3" type = "radio" / > < input id = "__tabbed_3_10" name = "__tabbed_3" type = "radio" / > < div class = "tabbed-labels" > < label for = "__tabbed_3_1" > Java< / label > < label for = "__tabbed_3_2" > C++< / label > < label for = "__tabbed_3_3" > Python< / label > < label for = "__tabbed_3_4" > Go< / label > < label for = "__tabbed_3_5" > JavaScript< / label > < label for = "__tabbed_3_6" > TypeScript< / label > < label for = "__tabbed_3_7" > C< / label > < label for = "__tabbed_3_8" > C#< / label > < label for = "__tabbed_3_9" > Swift< / label > < label for = "__tabbed_3_10" > Zig< / label > < / div >
< div class = "tabbed-content" >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > array_hash_map.java< / span > < pre > < span > < / span > < code > < a id = "__codelineno-20-1" name = "__codelineno-20-1" href = "#__codelineno-20-1" > < / a > < span class = "cm" > /* 键值对 int-> String */< / span >
< a id = "__codelineno-20-2" name = "__codelineno-20-2" href = "#__codelineno-20-2" > < / a > < span class = "kd" > class< / span > < span class = "nc" > Entry< / 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 = "kd" > public< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-4" name = "__codelineno-20-4" href = "#__codelineno-20-4" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "n" > String< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > ;< / span >
2023-04-14 04:01:48 +08:00
< 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 = "kd" > public< / span > < span class = "w" > < / span > < span class = "nf" > Entry< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > String< / 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-20-7" name = "__codelineno-20-7" href = "#__codelineno-20-7" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "na" > key< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > key< / 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" > this< / span > < span class = "p" > .< / span > < span class = "na" > val< / 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-20-9" name = "__codelineno-20-9" href = "#__codelineno-20-9" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-10" name = "__codelineno-20-10" href = "#__codelineno-20-10" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-20-11" name = "__codelineno-20-11" href = "#__codelineno-20-11" > < / a >
< a id = "__codelineno-20-12" name = "__codelineno-20-12" href = "#__codelineno-20-12" > < / a > < span class = "cm" > /* 基于数组简易实现的哈希表 */< / span >
< a id = "__codelineno-20-13" name = "__codelineno-20-13" href = "#__codelineno-20-13" > < / a > < span class = "kd" > class< / span > < span class = "nc" > ArrayHashMap< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-14" name = "__codelineno-20-14" href = "#__codelineno-20-14" > < / a > < span class = "w" > < / span > < span class = "kd" > private< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Entry< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-15" name = "__codelineno-20-15" href = "#__codelineno-20-15" > < / a >
< a id = "__codelineno-20-16" name = "__codelineno-20-16" href = "#__codelineno-20-16" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "nf" > ArrayHashMap< / 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 = "c1" > // 初始化数组，包含 100 个桶< / span >
< a id = "__codelineno-20-18" name = "__codelineno-20-18" href = "#__codelineno-20-18" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / 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-20-19" name = "__codelineno-20-19" href = "#__codelineno-20-19" > < / 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 = "mi" > 100< / 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-20-20" name = "__codelineno-20-20" href = "#__codelineno-20-20" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "kc" > null< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-21" name = "__codelineno-20-21" href = "#__codelineno-20-21" > < / a > < 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 = "p" > }< / span >
< a id = "__codelineno-20-23" name = "__codelineno-20-23" href = "#__codelineno-20-23" > < / a >
< a id = "__codelineno-20-24" name = "__codelineno-20-24" href = "#__codelineno-20-24" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 哈希函数 */< / span >
< a id = "__codelineno-20-25" name = "__codelineno-20-25" href = "#__codelineno-20-25" > < / a > < span class = "w" > < / span > < span class = "kd" > private< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "nf" > hashFunc< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > )< / span > < span class = "w" > < / 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 = "kt" > int< / 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" > key< / span > < span class = "w" > < / span > < span class = "o" > %< / span > < span class = "w" > < / span > < span class = "mi" > 100< / 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 = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-28" name = "__codelineno-20-28" href = "#__codelineno-20-28" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-29" name = "__codelineno-20-29" href = "#__codelineno-20-29" > < / a >
< a id = "__codelineno-20-30" name = "__codelineno-20-30" href = "#__codelineno-20-30" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-20-31" name = "__codelineno-20-31" href = "#__codelineno-20-31" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "n" > String< / span > < span class = "w" > < / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-32" name = "__codelineno-20-32" href = "#__codelineno-20-32" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-33" name = "__codelineno-20-33" href = "#__codelineno-20-33" > < / a > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "na" > get< / span > < span class = "p" > (< / span > < span class = "n" > index< / 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 = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )< / span >
< a id = "__codelineno-20-35" name = "__codelineno-20-35" href = "#__codelineno-20-35" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-36" name = "__codelineno-20-36" href = "#__codelineno-20-36" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "na" > val< / 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 = "p" > }< / span >
< a id = "__codelineno-20-38" name = "__codelineno-20-38" href = "#__codelineno-20-38" > < / a >
< a id = "__codelineno-20-39" name = "__codelineno-20-39" href = "#__codelineno-20-39" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-20-40" name = "__codelineno-20-40" href = "#__codelineno-20-40" > < / 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" > put< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > String< / 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-20-41" name = "__codelineno-20-41" href = "#__codelineno-20-41" > < / a > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "n" > pair< / 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" > Entry< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > val< / 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 = "kt" > int< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-43" name = "__codelineno-20-43" href = "#__codelineno-20-43" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "na" > set< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-44" name = "__codelineno-20-44" href = "#__codelineno-20-44" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-45" name = "__codelineno-20-45" href = "#__codelineno-20-45" > < / a >
< a id = "__codelineno-20-46" name = "__codelineno-20-46" href = "#__codelineno-20-46" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-20-47" name = "__codelineno-20-47" href = "#__codelineno-20-47" > < / 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" > remove< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-48" name = "__codelineno-20-48" href = "#__codelineno-20-48" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / 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 = "c1" > // 置为 null ，代表删除< / span >
< a id = "__codelineno-20-50" name = "__codelineno-20-50" href = "#__codelineno-20-50" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "na" > set< / span > < span class = "p" > (< / span > < span class = "n" > index< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-51" name = "__codelineno-20-51" href = "#__codelineno-20-51" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-52" name = "__codelineno-20-52" href = "#__codelineno-20-52" > < / a >
< a id = "__codelineno-20-53" name = "__codelineno-20-53" href = "#__codelineno-20-53" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键值对 */< / span >
< a id = "__codelineno-20-54" name = "__codelineno-20-54" href = "#__codelineno-20-54" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Entry< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "nf" > entrySet< / span > < span class = "p" > ()< / span > < span class = "w" > < / 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 = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Entry< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > entrySet< / 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-20-56" name = "__codelineno-20-56" href = "#__codelineno-20-56" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / 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" > buckets< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-57" name = "__codelineno-20-57" href = "#__codelineno-20-57" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "kc" > null< / 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 = "n" > entrySet< / span > < span class = "p" > .< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-59" name = "__codelineno-20-59" href = "#__codelineno-20-59" > < / a > < 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 = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > entrySet< / 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 >
< a id = "__codelineno-20-63" name = "__codelineno-20-63" href = "#__codelineno-20-63" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键 */< / span >
< a id = "__codelineno-20-64" name = "__codelineno-20-64" href = "#__codelineno-20-64" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < 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 = "nf" > keySet< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-65" name = "__codelineno-20-65" href = "#__codelineno-20-65" > < / 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" > keySet< / 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-20-66" name = "__codelineno-20-66" href = "#__codelineno-20-66" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / 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" > buckets< / span > < span class = "p" > )< / span > < span class = "w" > < / 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 = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "kc" > null< / 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" > keySet< / span > < span class = "p" > .< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "na" > key< / 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 = "p" > }< / span >
< a id = "__codelineno-20-70" name = "__codelineno-20-70" href = "#__codelineno-20-70" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > keySet< / 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 >
< a id = "__codelineno-20-73" name = "__codelineno-20-73" href = "#__codelineno-20-73" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有值 */< / span >
< a id = "__codelineno-20-74" name = "__codelineno-20-74" href = "#__codelineno-20-74" > < / a > < span class = "w" > < / span > < span class = "kd" > public< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > String< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "nf" > valueSet< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-75" name = "__codelineno-20-75" href = "#__codelineno-20-75" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > String< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > valueSet< / 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-20-76" name = "__codelineno-20-76" href = "#__codelineno-20-76" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / 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" > buckets< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-77" name = "__codelineno-20-77" href = "#__codelineno-20-77" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )< / span >
< a id = "__codelineno-20-78" name = "__codelineno-20-78" href = "#__codelineno-20-78" > < / a > < span class = "w" > < / span > < span class = "n" > valueSet< / span > < span class = "p" > .< / span > < span class = "na" > add< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "na" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-79" name = "__codelineno-20-79" href = "#__codelineno-20-79" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-80" name = "__codelineno-20-80" href = "#__codelineno-20-80" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > valueSet< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-20-81" name = "__codelineno-20-81" href = "#__codelineno-20-81" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-82" name = "__codelineno-20-82" href = "#__codelineno-20-82" > < / a >
< a id = "__codelineno-20-83" name = "__codelineno-20-83" href = "#__codelineno-20-83" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印哈希表 */< / span >
< a id = "__codelineno-20-84" name = "__codelineno-20-84" href = "#__codelineno-20-84" > < / 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-20-85" name = "__codelineno-20-85" href = "#__codelineno-20-85" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "n" > kv< / span > < span class = "w" > < / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-20-86" name = "__codelineno-20-86" href = "#__codelineno-20-86" > < / 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" > kv< / span > < span class = "p" > .< / span > < span class = "na" > key< / 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" > kv< / span > < span class = "p" > .< / span > < span class = "na" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-20-87" name = "__codelineno-20-87" href = "#__codelineno-20-87" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-88" name = "__codelineno-20-88" href = "#__codelineno-20-88" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-20-89" name = "__codelineno-20-89" href = "#__codelineno-20-89" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > array_hash_map.cpp< / span > < pre > < span > < / span > < code > < a id = "__codelineno-21-1" name = "__codelineno-21-1" href = "#__codelineno-21-1" > < / a > < span class = "cm" > /* 键值对 int-> String */< / span >
< a id = "__codelineno-21-2" name = "__codelineno-21-2" href = "#__codelineno-21-2" > < / a > < span class = "k" > struct< / span > < span class = "w" > < / span > < span class = "nc" > Entry< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-04-14 04:01:48 +08:00
< a id = "__codelineno-21-3" name = "__codelineno-21-3" href = "#__codelineno-21-3" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "o" > :< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-21-4" name = "__codelineno-21-4" href = "#__codelineno-21-4" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-21-5" name = "__codelineno-21-5" href = "#__codelineno-21-5" > < / a > < span class = "w" > < / span > < span class = "n" > string< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-21-6" name = "__codelineno-21-6" href = "#__codelineno-21-6" > < / a > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > string< / 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-21-7" name = "__codelineno-21-7" href = "#__codelineno-21-7" > < / a > < span class = "w" > < / span > < span class = "k" > this< / 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" > key< / 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 = "k" > this< / span > < span class = "o" > -> < / span > < span class = "n" > val< / 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-21-9" name = "__codelineno-21-9" href = "#__codelineno-21-9" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-10" name = "__codelineno-21-10" href = "#__codelineno-21-10" > < / a > < span class = "p" > };< / span >
< a id = "__codelineno-21-11" name = "__codelineno-21-11" href = "#__codelineno-21-11" > < / a >
< a id = "__codelineno-21-12" name = "__codelineno-21-12" href = "#__codelineno-21-12" > < / a > < span class = "cm" > /* 基于数组简易实现的哈希表 */< / span >
< a id = "__codelineno-21-13" name = "__codelineno-21-13" href = "#__codelineno-21-13" > < / a > < span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > ArrayHashMap< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-04-14 04:01:48 +08:00
< a id = "__codelineno-21-14" name = "__codelineno-21-14" href = "#__codelineno-21-14" > < / a > < span class = "w" > < / span > < span class = "k" > private< / span > < span class = "o" > :< / span >
< a id = "__codelineno-21-15" name = "__codelineno-21-15" href = "#__codelineno-21-15" > < / a > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *> < / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-21-16" name = "__codelineno-21-16" href = "#__codelineno-21-16" > < / a >
< a id = "__codelineno-21-17" name = "__codelineno-21-17" href = "#__codelineno-21-17" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "o" > :< / span >
< a id = "__codelineno-21-18" name = "__codelineno-21-18" href = "#__codelineno-21-18" > < / a > < span class = "w" > < / span > < span class = "n" > ArrayHashMap< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-19" name = "__codelineno-21-19" href = "#__codelineno-21-19" > < / a > < span class = "w" > < / span > < span class = "c1" > // 初始化数组，包含 100 个桶< / span >
< a id = "__codelineno-21-20" name = "__codelineno-21-20" href = "#__codelineno-21-20" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / 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" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *> < / span > < span class = "p" > (< / span > < span class = "mi" > 100< / span > < span class = "p" > );< / 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 >
2023-04-16 04:55:58 +08:00
< a id = "__codelineno-21-23" name = "__codelineno-21-23" href = "#__codelineno-21-23" > < / a > < span class = "w" > < / span > < span class = "o" > ~< / span > < span class = "n" > ArrayHashMap< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-24" name = "__codelineno-21-24" href = "#__codelineno-21-24" > < / a > < span class = "w" > < / span > < span class = "c1" > // 释放内存< / span >
< a id = "__codelineno-21-25" name = "__codelineno-21-25" href = "#__codelineno-21-25" > < / 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 = "k" > auto< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > bucket< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > )< / span > < span class = "w" > < / 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 = "k" > delete< / span > < span class = "w" > < / span > < span class = "n" > bucket< / 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 > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "n" > clear< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-21-29" name = "__codelineno-21-29" href = "#__codelineno-21-29" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-30" name = "__codelineno-21-30" href = "#__codelineno-21-30" > < / a >
< a id = "__codelineno-21-31" name = "__codelineno-21-31" href = "#__codelineno-21-31" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 哈希函数 */< / span >
< a id = "__codelineno-21-32" name = "__codelineno-21-32" href = "#__codelineno-21-32" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > hashFunc< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > )< / span > < 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 = "kt" > int< / 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" > key< / span > < span class = "w" > < / span > < span class = "o" > %< / span > < span class = "w" > < / span > < span class = "mi" > 100< / 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 = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > index< / 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 = "p" > }< / span >
< a id = "__codelineno-21-36" name = "__codelineno-21-36" href = "#__codelineno-21-36" > < / a >
< a id = "__codelineno-21-37" name = "__codelineno-21-37" href = "#__codelineno-21-37" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-21-38" name = "__codelineno-21-38" href = "#__codelineno-21-38" > < / a > < span class = "w" > < / span > < span class = "n" > string< / span > < span class = "w" > < / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-39" name = "__codelineno-21-39" href = "#__codelineno-21-39" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-40" name = "__codelineno-21-40" href = "#__codelineno-21-40" > < / a > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-21-41" name = "__codelineno-21-41" href = "#__codelineno-21-41" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "k" > nullptr< / span > < span class = "p" > )< / span >
< a id = "__codelineno-21-42" name = "__codelineno-21-42" href = "#__codelineno-21-42" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "k" > nullptr< / 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" > return< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "o" > -> < / span > < span class = "n" > val< / span > < span class = "p" > ;< / 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 >
< a id = "__codelineno-21-46" name = "__codelineno-21-46" href = "#__codelineno-21-46" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-21-47" name = "__codelineno-21-47" href = "#__codelineno-21-47" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > put< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > string< / 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-21-48" name = "__codelineno-21-48" href = "#__codelineno-21-48" > < / a > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > pair< / 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" > Entry< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-49" name = "__codelineno-21-49" href = "#__codelineno-21-49" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / 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 = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > pair< / 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 >
< a id = "__codelineno-21-52" name = "__codelineno-21-52" href = "#__codelineno-21-52" > < / a >
< a id = "__codelineno-21-53" name = "__codelineno-21-53" href = "#__codelineno-21-53" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-21-54" name = "__codelineno-21-54" href = "#__codelineno-21-54" > < / a > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > )< / span > < span class = "w" > < / 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 = "kt" > int< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / 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 = "c1" > // 释放内存并置为 nullptr< / span >
< a id = "__codelineno-21-57" name = "__codelineno-21-57" href = "#__codelineno-21-57" > < / a > < span class = "w" > < / span > < span class = "k" > delete< / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-21-58" name = "__codelineno-21-58" href = "#__codelineno-21-58" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > nullptr< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-21-59" name = "__codelineno-21-59" href = "#__codelineno-21-59" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-60" name = "__codelineno-21-60" href = "#__codelineno-21-60" > < / a >
< a id = "__codelineno-21-61" name = "__codelineno-21-61" href = "#__codelineno-21-61" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键值对 */< / span >
< a id = "__codelineno-21-62" name = "__codelineno-21-62" href = "#__codelineno-21-62" > < / a > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *> < / span > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > ()< / span > < 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 = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *> < / span > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-21-64" name = "__codelineno-21-64" href = "#__codelineno-21-64" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > )< / span > < span class = "w" > < / 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 = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "k" > nullptr< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-66" name = "__codelineno-21-66" href = "#__codelineno-21-66" > < / a > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > .< / span > < span class = "n" > push_back< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-67" name = "__codelineno-21-67" href = "#__codelineno-21-67" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-68" name = "__codelineno-21-68" href = "#__codelineno-21-68" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-69" name = "__codelineno-21-69" href = "#__codelineno-21-69" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > entrySet< / 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 = "p" > }< / span >
< a id = "__codelineno-21-71" name = "__codelineno-21-71" href = "#__codelineno-21-71" > < / a >
< a id = "__codelineno-21-72" name = "__codelineno-21-72" href = "#__codelineno-21-72" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键 */< / span >
< a id = "__codelineno-21-73" name = "__codelineno-21-73" href = "#__codelineno-21-73" > < / 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" > keySet< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-74" name = "__codelineno-21-74" href = "#__codelineno-21-74" > < / 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" > keySet< / 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 = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-76" name = "__codelineno-21-76" href = "#__codelineno-21-76" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "k" > nullptr< / 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" > keySet< / span > < span class = "p" > .< / span > < span class = "n" > push_back< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "o" > -> < / span > < span class = "n" > key< / 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 > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > keySet< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-21-81" name = "__codelineno-21-81" href = "#__codelineno-21-81" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-82" name = "__codelineno-21-82" href = "#__codelineno-21-82" > < / a >
< a id = "__codelineno-21-83" name = "__codelineno-21-83" href = "#__codelineno-21-83" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有值 */< / span >
< a id = "__codelineno-21-84" name = "__codelineno-21-84" href = "#__codelineno-21-84" > < / a > < span class = "w" > < / span > < span class = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > string< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > valueSet< / span > < span class = "p" > ()< / 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 = "n" > vector< / span > < span class = "o" > < < / span > < span class = "n" > string< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > valueSet< / 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 = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > )< / span > < span class = "w" > < / 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 = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "k" > nullptr< / span > < span class = "p" > )< / span > < 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 = "n" > valueSet< / span > < span class = "p" > .< / span > < span class = "n" > push_back< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "o" > -> < / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-21-89" name = "__codelineno-21-89" href = "#__codelineno-21-89" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-90" name = "__codelineno-21-90" href = "#__codelineno-21-90" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-91" name = "__codelineno-21-91" href = "#__codelineno-21-91" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > valueSet< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-21-92" name = "__codelineno-21-92" href = "#__codelineno-21-92" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-93" name = "__codelineno-21-93" href = "#__codelineno-21-93" > < / a >
< a id = "__codelineno-21-94" name = "__codelineno-21-94" href = "#__codelineno-21-94" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印哈希表 */< / span >
< a id = "__codelineno-21-95" name = "__codelineno-21-95" href = "#__codelineno-21-95" > < / 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-21-96" name = "__codelineno-21-96" href = "#__codelineno-21-96" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > kv< / span > < span class = "w" > < / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > ())< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-21-97" name = "__codelineno-21-97" href = "#__codelineno-21-97" > < / 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" > kv< / span > < span class = "o" > -> < / span > < span class = "n" > key< / 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" > kv< / span > < span class = "o" > -> < / span > < span class = "n" > val< / 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-21-98" name = "__codelineno-21-98" href = "#__codelineno-21-98" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-99" name = "__codelineno-21-99" href = "#__codelineno-21-99" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-21-100" name = "__codelineno-21-100" href = "#__codelineno-21-100" > < / a > < span class = "p" > };< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-03-03 02:46:43 +08:00
< div class = "highlight" > < span class = "filename" > array_hash_map.py< / span > < pre > < span > < / span > < code > < a id = "__codelineno-22-1" name = "__codelineno-22-1" href = "#__codelineno-22-1" > < / a > < span class = "k" > class< / span > < span class = "nc" > Entry< / span > < span class = "p" > :< / span >
2023-04-09 05:12:29 +08:00
< a id = "__codelineno-22-2" name = "__codelineno-22-2" href = "#__codelineno-22-2" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 键值对 int-> String" " " < / span >
< a id = "__codelineno-22-3" name = "__codelineno-22-3" href = "#__codelineno-22-3" > < / a >
< a id = "__codelineno-22-4" name = "__codelineno-22-4" href = "#__codelineno-22-4" > < / 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" > key< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "p" > :< / span > < span class = "nb" > str< / span > < span class = "p" > ):< / span >
< a id = "__codelineno-22-5" name = "__codelineno-22-5" href = "#__codelineno-22-5" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > key< / span > < span class = "o" > =< / span > < span class = "n" > key< / span >
< a id = "__codelineno-22-6" name = "__codelineno-22-6" href = "#__codelineno-22-6" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > val< / span > < span class = "o" > =< / span > < span class = "n" > val< / span >
< a id = "__codelineno-22-7" name = "__codelineno-22-7" href = "#__codelineno-22-7" > < / a >
< a id = "__codelineno-22-8" name = "__codelineno-22-8" href = "#__codelineno-22-8" > < / a > < span class = "k" > class< / span > < span class = "nc" > ArrayHashMap< / 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 = "sd" > " " " 基于数组简易实现的哈希表" " " < / span >
< a id = "__codelineno-22-10" name = "__codelineno-22-10" href = "#__codelineno-22-10" > < / a >
< a id = "__codelineno-22-11" name = "__codelineno-22-11" href = "#__codelineno-22-11" > < / a > < span class = "k" > def< / span > < span class = "fm" > __init__< / span > < span class = "p" > (< / span > < span class = "bp" > self< / 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 = "sd" > " " " 构造方法" " " < / span >
< a id = "__codelineno-22-13" name = "__codelineno-22-13" href = "#__codelineno-22-13" > < / a > < span class = "c1" > # 初始化数组，包含 100 个桶< / span >
< a id = "__codelineno-22-14" name = "__codelineno-22-14" href = "#__codelineno-22-14" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > :< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "n" > Entry< / span > < span class = "o" > |< / span > < span class = "kc" > None< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "p" > [< / span > < span class = "kc" > None< / span > < span class = "p" > ]< / span > < span class = "o" > *< / span > < span class = "mi" > 100< / span >
< a id = "__codelineno-22-15" name = "__codelineno-22-15" href = "#__codelineno-22-15" > < / a >
< a id = "__codelineno-22-16" name = "__codelineno-22-16" href = "#__codelineno-22-16" > < / a > < span class = "k" > def< / span > < span class = "nf" > hash_func< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "nb" > int< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-17" name = "__codelineno-22-17" href = "#__codelineno-22-17" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 哈希函数" " " < / span >
< a id = "__codelineno-22-18" name = "__codelineno-22-18" href = "#__codelineno-22-18" > < / a > < span class = "n" > index< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "o" > =< / span > < span class = "n" > key< / span > < span class = "o" > %< / span > < span class = "mi" > 100< / span >
< a id = "__codelineno-22-19" name = "__codelineno-22-19" href = "#__codelineno-22-19" > < / a > < span class = "k" > return< / span > < span class = "n" > index< / span >
< a id = "__codelineno-22-20" name = "__codelineno-22-20" href = "#__codelineno-22-20" > < / a >
< a id = "__codelineno-22-21" name = "__codelineno-22-21" href = "#__codelineno-22-21" > < / a > < span class = "k" > def< / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "nb" > str< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-22" name = "__codelineno-22-22" href = "#__codelineno-22-22" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 查询操作" " " < / span >
< a id = "__codelineno-22-23" name = "__codelineno-22-23" href = "#__codelineno-22-23" > < / a > < span class = "n" > index< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > hash_func< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-22-24" name = "__codelineno-22-24" href = "#__codelineno-22-24" > < / a > < span class = "n" > pair< / span > < span class = "p" > :< / span > < span class = "n" > Entry< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span >
< a id = "__codelineno-22-25" name = "__codelineno-22-25" href = "#__codelineno-22-25" > < / a > < span class = "k" > if< / span > < span class = "n" > pair< / span > < span class = "ow" > is< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-26" name = "__codelineno-22-26" href = "#__codelineno-22-26" > < / a > < span class = "k" > return< / span > < span class = "kc" > None< / span >
< a id = "__codelineno-22-27" name = "__codelineno-22-27" href = "#__codelineno-22-27" > < / a > < span class = "k" > return< / span > < span class = "n" > pair< / span > < span class = "o" > .< / span > < span class = "n" > val< / span >
< a id = "__codelineno-22-28" name = "__codelineno-22-28" href = "#__codelineno-22-28" > < / a >
< a id = "__codelineno-22-29" name = "__codelineno-22-29" href = "#__codelineno-22-29" > < / a > < span class = "k" > def< / span > < span class = "nf" > put< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "p" > :< / span > < span class = "nb" > str< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "kc" > None< / 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 = "sd" > " " " 添加操作" " " < / span >
< a id = "__codelineno-22-31" name = "__codelineno-22-31" href = "#__codelineno-22-31" > < / a > < span class = "n" > pair< / span > < span class = "o" > =< / span > < span class = "n" > Entry< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-22-32" name = "__codelineno-22-32" href = "#__codelineno-22-32" > < / a > < span class = "n" > index< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > hash_func< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-22-33" name = "__codelineno-22-33" href = "#__codelineno-22-33" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "n" > pair< / span >
< a id = "__codelineno-22-34" name = "__codelineno-22-34" href = "#__codelineno-22-34" > < / a >
< a id = "__codelineno-22-35" name = "__codelineno-22-35" href = "#__codelineno-22-35" > < / a > < span class = "k" > def< / span > < span class = "nf" > remove< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > ,< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "kc" > None< / 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 = "sd" > " " " 删除操作" " " < / span >
< a id = "__codelineno-22-37" name = "__codelineno-22-37" href = "#__codelineno-22-37" > < / a > < span class = "n" > index< / span > < span class = "p" > :< / span > < span class = "nb" > int< / span > < span class = "o" > =< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > hash_func< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-22-38" name = "__codelineno-22-38" href = "#__codelineno-22-38" > < / a > < span class = "c1" > # 置为 None ，代表删除< / span >
< a id = "__codelineno-22-39" name = "__codelineno-22-39" href = "#__codelineno-22-39" > < / a > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "kc" > None< / span >
< a id = "__codelineno-22-40" name = "__codelineno-22-40" href = "#__codelineno-22-40" > < / a >
< a id = "__codelineno-22-41" name = "__codelineno-22-41" href = "#__codelineno-22-41" > < / a > < span class = "k" > def< / span > < span class = "nf" > entry_set< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "n" > Entry< / span > < span class = "p" > ]:< / span >
< a id = "__codelineno-22-42" name = "__codelineno-22-42" href = "#__codelineno-22-42" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 获取所有键值对" " " < / span >
< a id = "__codelineno-22-43" name = "__codelineno-22-43" href = "#__codelineno-22-43" > < / a > < span class = "n" > result< / span > < span class = "p" > :< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "n" > Entry< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< a id = "__codelineno-22-44" name = "__codelineno-22-44" href = "#__codelineno-22-44" > < / a > < span class = "k" > for< / span > < span class = "n" > pair< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-45" name = "__codelineno-22-45" href = "#__codelineno-22-45" > < / a > < span class = "k" > if< / span > < span class = "n" > pair< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-46" name = "__codelineno-22-46" href = "#__codelineno-22-46" > < / a > < span class = "n" > result< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > )< / span >
< a id = "__codelineno-22-47" name = "__codelineno-22-47" href = "#__codelineno-22-47" > < / a > < span class = "k" > return< / span > < span class = "n" > result< / 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 = "k" > def< / span > < span class = "nf" > key_set< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > int< / span > < span class = "p" > ]:< / span >
< a id = "__codelineno-22-50" name = "__codelineno-22-50" href = "#__codelineno-22-50" > < / a > < span class = "w" > < / span > < span class = "sd" > " " " 获取所有键" " " < / span >
< a id = "__codelineno-22-51" name = "__codelineno-22-51" href = "#__codelineno-22-51" > < / a > < span class = "n" > result< / 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-22-52" name = "__codelineno-22-52" href = "#__codelineno-22-52" > < / a > < span class = "k" > for< / span > < span class = "n" > pair< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-53" name = "__codelineno-22-53" href = "#__codelineno-22-53" > < / a > < span class = "k" > if< / span > < span class = "n" > pair< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-54" name = "__codelineno-22-54" href = "#__codelineno-22-54" > < / a > < span class = "n" > result< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "o" > .< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-22-55" name = "__codelineno-22-55" href = "#__codelineno-22-55" > < / a > < span class = "k" > return< / span > < span class = "n" > result< / span >
< a id = "__codelineno-22-56" name = "__codelineno-22-56" href = "#__codelineno-22-56" > < / a >
< a id = "__codelineno-22-57" name = "__codelineno-22-57" href = "#__codelineno-22-57" > < / a > < span class = "k" > def< / span > < span class = "nf" > value_set< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > str< / 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 = "sd" > " " " 获取所有值" " " < / span >
< a id = "__codelineno-22-59" name = "__codelineno-22-59" href = "#__codelineno-22-59" > < / a > < span class = "n" > result< / span > < span class = "p" > :< / span > < span class = "nb" > list< / span > < span class = "p" > [< / span > < span class = "nb" > str< / span > < span class = "p" > ]< / span > < span class = "o" > =< / span > < span class = "p" > []< / span >
< a id = "__codelineno-22-60" name = "__codelineno-22-60" href = "#__codelineno-22-60" > < / a > < span class = "k" > for< / span > < span class = "n" > pair< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-61" name = "__codelineno-22-61" href = "#__codelineno-22-61" > < / a > < span class = "k" > if< / span > < span class = "n" > pair< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-62" name = "__codelineno-22-62" href = "#__codelineno-22-62" > < / a > < span class = "n" > result< / span > < span class = "o" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "o" > .< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-22-63" name = "__codelineno-22-63" href = "#__codelineno-22-63" > < / a > < span class = "k" > return< / span > < span class = "n" > result< / span >
< a id = "__codelineno-22-64" name = "__codelineno-22-64" href = "#__codelineno-22-64" > < / a >
< a id = "__codelineno-22-65" name = "__codelineno-22-65" href = "#__codelineno-22-65" > < / a > < span class = "k" > def< / span > < span class = "nf" > print< / span > < span class = "p" > (< / span > < span class = "bp" > self< / span > < span class = "p" > )< / span > < span class = "o" > -> < / span > < span class = "kc" > None< / 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 = "sd" > " " " 打印哈希表" " " < / span >
< a id = "__codelineno-22-67" name = "__codelineno-22-67" href = "#__codelineno-22-67" > < / a > < span class = "k" > for< / span > < span class = "n" > pair< / span > < span class = "ow" > in< / span > < span class = "bp" > self< / span > < span class = "o" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-68" name = "__codelineno-22-68" href = "#__codelineno-22-68" > < / a > < span class = "k" > if< / span > < span class = "n" > pair< / span > < span class = "ow" > is< / span > < span class = "ow" > not< / span > < span class = "kc" > None< / span > < span class = "p" > :< / span >
< a id = "__codelineno-22-69" name = "__codelineno-22-69" href = "#__codelineno-22-69" > < / a > < span class = "nb" > print< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "o" > .< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "s2" > " -> " < / span > < span class = "p" > ,< / span > < span class = "n" > pair< / span > < span class = "o" > .< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > array_hash_map.go< / span > < pre > < span > < / span > < code > < a id = "__codelineno-23-1" name = "__codelineno-23-1" href = "#__codelineno-23-1" > < / a > < span class = "cm" > /* 键值对 int-> String */< / span >
< a id = "__codelineno-23-2" name = "__codelineno-23-2" href = "#__codelineno-23-2" > < / a > < span class = "kd" > type< / span > < span class = "w" > < / span > < span class = "nx" > entry< / span > < span class = "w" > < / span > < span class = "kd" > struct< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-3" name = "__codelineno-23-3" href = "#__codelineno-23-3" > < / a > < span class = "w" > < / span > < span class = "nx" > key< / span > < span class = "w" > < / span > < span class = "kt" > int< / span >
< a id = "__codelineno-23-4" name = "__codelineno-23-4" href = "#__codelineno-23-4" > < / a > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "w" > < / span > < span class = "kt" > string< / span >
< a id = "__codelineno-23-5" name = "__codelineno-23-5" href = "#__codelineno-23-5" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-6" name = "__codelineno-23-6" href = "#__codelineno-23-6" > < / a >
< a id = "__codelineno-23-7" name = "__codelineno-23-7" href = "#__codelineno-23-7" > < / a > < span class = "cm" > /* 基于数组简易实现的哈希表 */< / span >
< a id = "__codelineno-23-8" name = "__codelineno-23-8" href = "#__codelineno-23-8" > < / a > < span class = "kd" > type< / span > < span class = "w" > < / span > < span class = "nx" > arrayHashMap< / span > < span class = "w" > < / span > < span class = "kd" > struct< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-23-9" name = "__codelineno-23-9" href = "#__codelineno-23-9" > < / a > < span class = "w" > < / span > < span class = "nx" > buckets< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "nx" > entry< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-23-10" name = "__codelineno-23-10" href = "#__codelineno-23-10" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-11" name = "__codelineno-23-11" href = "#__codelineno-23-11" > < / a >
2023-02-09 04:43:20 +08:00
< a id = "__codelineno-23-12" name = "__codelineno-23-12" href = "#__codelineno-23-12" > < / a > < span class = "cm" > /* 初始化哈希表 */< / span >
< a id = "__codelineno-23-13" name = "__codelineno-23-13" href = "#__codelineno-23-13" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "nx" > newArrayHashMap< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > arrayHashMap< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-03-15 03:49:05 +08:00
< a id = "__codelineno-23-14" name = "__codelineno-23-14" href = "#__codelineno-23-14" > < / a > < span class = "w" > < / span > < span class = "c1" > // 初始化数组，包含 100 个桶< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-23-15" name = "__codelineno-23-15" href = "#__codelineno-23-15" > < / a > < span class = "w" > < / span > < span class = "nx" > buckets< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nb" > make< / span > < span class = "p" > ([]< / span > < span class = "o" > *< / span > < span class = "nx" > entry< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "mi" > 100< / span > < span class = "p" > )< / span >
< a id = "__codelineno-23-16" name = "__codelineno-23-16" href = "#__codelineno-23-16" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "nx" > arrayHashMap< / span > < span class = "p" > {< / span > < span class = "nx" > buckets< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "nx" > buckets< / span > < span class = "p" > }< / span >
2023-02-09 04:43:20 +08:00
< a id = "__codelineno-23-17" name = "__codelineno-23-17" href = "#__codelineno-23-17" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-18" name = "__codelineno-23-18" href = "#__codelineno-23-18" > < / a >
< a id = "__codelineno-23-19" name = "__codelineno-23-19" href = "#__codelineno-23-19" > < / a > < span class = "cm" > /* 哈希函数 */< / span >
< a id = "__codelineno-23-20" name = "__codelineno-23-20" href = "#__codelineno-23-20" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > a< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > arrayHashMap< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "w" > < / span > < span class = "kt" > int< / 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-23-21" name = "__codelineno-23-21" href = "#__codelineno-23-21" > < / a > < span class = "w" > < / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > key< / span > < span class = "w" > < / span > < span class = "o" > %< / span > < span class = "w" > < / span > < span class = "mi" > 100< / span >
< a id = "__codelineno-23-22" name = "__codelineno-23-22" href = "#__codelineno-23-22" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > index< / span >
< a id = "__codelineno-23-23" name = "__codelineno-23-23" href = "#__codelineno-23-23" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-24" name = "__codelineno-23-24" href = "#__codelineno-23-24" > < / a >
< a id = "__codelineno-23-25" name = "__codelineno-23-25" href = "#__codelineno-23-25" > < / a > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-23-26" name = "__codelineno-23-26" href = "#__codelineno-23-26" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > a< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > arrayHashMap< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-27" name = "__codelineno-23-27" href = "#__codelineno-23-27" > < / a > < span class = "w" > < / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > a< / span > < span class = "p" > .< / span > < span class = "nx" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > )< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-23-28" name = "__codelineno-23-28" href = "#__codelineno-23-28" > < / a > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > a< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "p" > ]< / span >
2023-02-09 04:43:20 +08:00
< a id = "__codelineno-23-29" name = "__codelineno-23-29" href = "#__codelineno-23-29" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "kc" > nil< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-30" name = "__codelineno-23-30" href = "#__codelineno-23-30" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "s" > " Not Found" < / span >
< a id = "__codelineno-23-31" name = "__codelineno-23-31" href = "#__codelineno-23-31" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-32" name = "__codelineno-23-32" href = "#__codelineno-23-32" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span >
< a id = "__codelineno-23-33" name = "__codelineno-23-33" href = "#__codelineno-23-33" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-34" name = "__codelineno-23-34" href = "#__codelineno-23-34" > < / a >
< a id = "__codelineno-23-35" name = "__codelineno-23-35" href = "#__codelineno-23-35" > < / a > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-23-36" name = "__codelineno-23-36" href = "#__codelineno-23-36" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > a< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > arrayHashMap< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > put< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-37" name = "__codelineno-23-37" href = "#__codelineno-23-37" > < / a > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "nx" > entry< / span > < span class = "p" > {< / span > < span class = "nx" > key< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "nx" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-38" name = "__codelineno-23-38" href = "#__codelineno-23-38" > < / a > < span class = "w" > < / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > a< / span > < span class = "p" > .< / span > < span class = "nx" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > )< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-23-39" name = "__codelineno-23-39" href = "#__codelineno-23-39" > < / a > < span class = "w" > < / span > < span class = "nx" > a< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span >
2023-02-09 04:43:20 +08:00
< a id = "__codelineno-23-40" name = "__codelineno-23-40" href = "#__codelineno-23-40" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-41" name = "__codelineno-23-41" href = "#__codelineno-23-41" > < / a >
< a id = "__codelineno-23-42" name = "__codelineno-23-42" href = "#__codelineno-23-42" > < / a > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-23-43" name = "__codelineno-23-43" href = "#__codelineno-23-43" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > a< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > arrayHashMap< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > remove< / span > < span class = "p" > (< / span > < span class = "nx" > key< / 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-23-44" name = "__codelineno-23-44" href = "#__codelineno-23-44" > < / a > < span class = "w" > < / span > < span class = "nx" > index< / span > < span class = "w" > < / span > < span class = "o" > :=< / span > < span class = "w" > < / span > < span class = "nx" > a< / span > < span class = "p" > .< / span > < span class = "nx" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-23-45" name = "__codelineno-23-45" href = "#__codelineno-23-45" > < / a > < span class = "w" > < / span > < span class = "c1" > // 置为 nil ，代表删除< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-23-46" name = "__codelineno-23-46" href = "#__codelineno-23-46" > < / a > < span class = "w" > < / span > < span class = "nx" > a< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "p" > =< / span > < span class = "w" > < / span > < span class = "kc" > nil< / span >
2023-02-09 04:43:20 +08:00
< a id = "__codelineno-23-47" name = "__codelineno-23-47" href = "#__codelineno-23-47" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-48" name = "__codelineno-23-48" href = "#__codelineno-23-48" > < / a >
< a id = "__codelineno-23-49" name = "__codelineno-23-49" href = "#__codelineno-23-49" > < / a > < span class = "cm" > /* 获取所有键对 */< / span >
< a id = "__codelineno-23-50" name = "__codelineno-23-50" href = "#__codelineno-23-50" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > a< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > arrayHashMap< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > entrySet< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "nx" > entry< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-51" name = "__codelineno-23-51" href = "#__codelineno-23-51" > < / a > < span class = "w" > < / span > < span class = "kd" > var< / span > < span class = "w" > < / span > < span class = "nx" > pairs< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "o" > *< / span > < span class = "nx" > entry< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-23-52" name = "__codelineno-23-52" href = "#__codelineno-23-52" > < / 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" > pair< / 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" > a< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-02-09 04:43:20 +08:00
< a id = "__codelineno-23-53" name = "__codelineno-23-53" href = "#__codelineno-23-53" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "kc" > nil< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-54" name = "__codelineno-23-54" href = "#__codelineno-23-54" > < / a > < span class = "w" > < / span > < span class = "nx" > pairs< / 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" > pairs< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "p" > )< / span >
< a id = "__codelineno-23-55" name = "__codelineno-23-55" href = "#__codelineno-23-55" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-56" name = "__codelineno-23-56" href = "#__codelineno-23-56" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-57" name = "__codelineno-23-57" href = "#__codelineno-23-57" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > pairs< / span >
< a id = "__codelineno-23-58" name = "__codelineno-23-58" href = "#__codelineno-23-58" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-59" name = "__codelineno-23-59" href = "#__codelineno-23-59" > < / a >
< a id = "__codelineno-23-60" name = "__codelineno-23-60" href = "#__codelineno-23-60" > < / a > < span class = "cm" > /* 获取所有键 */< / span >
< a id = "__codelineno-23-61" name = "__codelineno-23-61" href = "#__codelineno-23-61" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > a< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > arrayHashMap< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > keySet< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-62" name = "__codelineno-23-62" href = "#__codelineno-23-62" > < / a > < span class = "w" > < / span > < span class = "kd" > var< / span > < span class = "w" > < / span > < span class = "nx" > keys< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kt" > int< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-23-63" name = "__codelineno-23-63" href = "#__codelineno-23-63" > < / 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" > pair< / 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" > a< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-02-09 04:43:20 +08:00
< a id = "__codelineno-23-64" name = "__codelineno-23-64" href = "#__codelineno-23-64" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "kc" > nil< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-65" name = "__codelineno-23-65" href = "#__codelineno-23-65" > < / a > < span class = "w" > < / span > < span class = "nx" > keys< / 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" > keys< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "p" > .< / span > < span class = "nx" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-23-66" name = "__codelineno-23-66" href = "#__codelineno-23-66" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-67" name = "__codelineno-23-67" href = "#__codelineno-23-67" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-68" name = "__codelineno-23-68" href = "#__codelineno-23-68" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > keys< / span >
< a id = "__codelineno-23-69" name = "__codelineno-23-69" href = "#__codelineno-23-69" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-70" name = "__codelineno-23-70" href = "#__codelineno-23-70" > < / a >
< a id = "__codelineno-23-71" name = "__codelineno-23-71" href = "#__codelineno-23-71" > < / a > < span class = "cm" > /* 获取所有值 */< / span >
< a id = "__codelineno-23-72" name = "__codelineno-23-72" href = "#__codelineno-23-72" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > a< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > arrayHashMap< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "nx" > valueSet< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kt" > string< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-73" name = "__codelineno-23-73" href = "#__codelineno-23-73" > < / a > < span class = "w" > < / span > < span class = "kd" > var< / span > < span class = "w" > < / span > < span class = "nx" > values< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kt" > string< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-23-74" name = "__codelineno-23-74" href = "#__codelineno-23-74" > < / 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" > pair< / 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" > a< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-02-09 04:43:20 +08:00
< a id = "__codelineno-23-75" name = "__codelineno-23-75" href = "#__codelineno-23-75" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "kc" > nil< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-76" name = "__codelineno-23-76" href = "#__codelineno-23-76" > < / a > < span class = "w" > < / span > < span class = "nx" > values< / 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" > values< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-23-77" name = "__codelineno-23-77" href = "#__codelineno-23-77" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-78" name = "__codelineno-23-78" href = "#__codelineno-23-78" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-79" name = "__codelineno-23-79" href = "#__codelineno-23-79" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > values< / span >
< a id = "__codelineno-23-80" name = "__codelineno-23-80" href = "#__codelineno-23-80" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-23-81" name = "__codelineno-23-81" href = "#__codelineno-23-81" > < / a >
< a id = "__codelineno-23-82" name = "__codelineno-23-82" href = "#__codelineno-23-82" > < / a > < span class = "cm" > /* 打印哈希表 */< / span >
< a id = "__codelineno-23-83" name = "__codelineno-23-83" href = "#__codelineno-23-83" > < / a > < span class = "kd" > func< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > a< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "nx" > arrayHashMap< / 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 >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-23-84" name = "__codelineno-23-84" href = "#__codelineno-23-84" > < / 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" > pair< / 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" > a< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-02-09 04:43:20 +08:00
< a id = "__codelineno-23-85" name = "__codelineno-23-85" href = "#__codelineno-23-85" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "kc" > nil< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-23-86" name = "__codelineno-23-86" href = "#__codelineno-23-86" > < / 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" > pair< / span > < span class = "p" > .< / span > < span class = "nx" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "s" > " -> " < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > pair< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-23-87" name = "__codelineno-23-87" href = "#__codelineno-23-87" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-88" name = "__codelineno-23-88" href = "#__codelineno-23-88" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-23-89" name = "__codelineno-23-89" href = "#__codelineno-23-89" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > array_hash_map.js< / span > < pre > < span > < / span > < code > < a id = "__codelineno-24-1" name = "__codelineno-24-1" href = "#__codelineno-24-1" > < / a > < span class = "cm" > /* 键值对 Number -> String */< / span >
< a id = "__codelineno-24-2" name = "__codelineno-24-2" href = "#__codelineno-24-2" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nx" > Entry< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-3" name = "__codelineno-24-3" href = "#__codelineno-24-3" > < / a > < span class = "w" > < / span > < span class = "kr" > constructor< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-4" name = "__codelineno-24-4" href = "#__codelineno-24-4" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > key< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nx" > key< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-24-5" name = "__codelineno-24-5" href = "#__codelineno-24-5" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-24-6" name = "__codelineno-24-6" href = "#__codelineno-24-6" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-7" name = "__codelineno-24-7" href = "#__codelineno-24-7" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-24-8" name = "__codelineno-24-8" href = "#__codelineno-24-8" > < / a >
< a id = "__codelineno-24-9" name = "__codelineno-24-9" href = "#__codelineno-24-9" > < / a > < span class = "cm" > /* 基于数组简易实现的哈希表 */< / span >
< a id = "__codelineno-24-10" name = "__codelineno-24-10" href = "#__codelineno-24-10" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nx" > ArrayHashMap< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-24-11" name = "__codelineno-24-11" href = "#__codelineno-24-11" > < / a > < span class = "w" > < / span > < span class = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > ;< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-24-12" name = "__codelineno-24-12" href = "#__codelineno-24-12" > < / a > < span class = "w" > < / span > < span class = "kr" > constructor< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-03-15 03:49:05 +08:00
< a id = "__codelineno-24-13" name = "__codelineno-24-13" href = "#__codelineno-24-13" > < / a > < span class = "w" > < / span > < span class = "c1" > // 初始化数组，包含 100 个桶< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-24-14" name = "__codelineno-24-14" href = "#__codelineno-24-14" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "err" > #< / span > < span class = "nx" > buckets< / 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" > Array< / span > < span class = "p" > (< / span > < span class = "mf" > 100< / span > < span class = "p" > ).< / span > < span class = "nx" > fill< / span > < span class = "p" > (< / span > < span class = "kc" > null< / span > < span class = "p" > );< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-24-15" name = "__codelineno-24-15" href = "#__codelineno-24-15" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-16" name = "__codelineno-24-16" href = "#__codelineno-24-16" > < / a >
< a id = "__codelineno-24-17" name = "__codelineno-24-17" href = "#__codelineno-24-17" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 哈希函数 */< / span >
< a id = "__codelineno-24-18" name = "__codelineno-24-18" href = "#__codelineno-24-18" > < / a > < span class = "w" > < / span > < span class = "err" > #< / span > < span class = "nx" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-19" name = "__codelineno-24-19" href = "#__codelineno-24-19" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > key< / span > < span class = "w" > < / span > < span class = "o" > %< / span > < span class = "w" > < / span > < span class = "mf" > 100< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-24-20" name = "__codelineno-24-20" href = "#__codelineno-24-20" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-21" name = "__codelineno-24-21" href = "#__codelineno-24-21" > < / a >
< a id = "__codelineno-24-22" name = "__codelineno-24-22" href = "#__codelineno-24-22" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-24-23" name = "__codelineno-24-23" href = "#__codelineno-24-23" > < / a > < span class = "w" > < / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-24" name = "__codelineno-24-24" href = "#__codelineno-24-24" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / 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 = "err" > #< / span > < span class = "nx" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > );< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-24-25" name = "__codelineno-24-25" href = "#__codelineno-24-25" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > entry< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "p" > ];< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-24-26" name = "__codelineno-24-26" href = "#__codelineno-24-26" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > entry< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-24-27" name = "__codelineno-24-27" href = "#__codelineno-24-27" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > entry< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-24-28" name = "__codelineno-24-28" href = "#__codelineno-24-28" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-29" name = "__codelineno-24-29" href = "#__codelineno-24-29" > < / a >
< a id = "__codelineno-24-30" name = "__codelineno-24-30" href = "#__codelineno-24-30" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-24-31" name = "__codelineno-24-31" href = "#__codelineno-24-31" > < / a > < span class = "w" > < / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-32" name = "__codelineno-24-32" href = "#__codelineno-24-32" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / 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 = "err" > #< / span > < span class = "nx" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > );< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-24-33" name = "__codelineno-24-33" href = "#__codelineno-24-33" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "nx" > Entry< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-24-34" name = "__codelineno-24-34" href = "#__codelineno-24-34" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-35" name = "__codelineno-24-35" href = "#__codelineno-24-35" > < / a >
< a id = "__codelineno-24-36" name = "__codelineno-24-36" href = "#__codelineno-24-36" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-24-37" name = "__codelineno-24-37" href = "#__codelineno-24-37" > < / a > < span class = "w" > < / span > < span class = "ow" > delete< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-38" name = "__codelineno-24-38" href = "#__codelineno-24-38" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / 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 = "err" > #< / span > < span class = "nx" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-24-39" name = "__codelineno-24-39" href = "#__codelineno-24-39" > < / a > < span class = "w" > < / span > < span class = "c1" > // 置为 null ，代表删除< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-24-40" name = "__codelineno-24-40" href = "#__codelineno-24-40" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > ;< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-24-41" name = "__codelineno-24-41" href = "#__codelineno-24-41" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
2023-02-08 16:47:58 +08:00
< a id = "__codelineno-24-42" name = "__codelineno-24-42" href = "#__codelineno-24-42" > < / a >
< a id = "__codelineno-24-43" name = "__codelineno-24-43" href = "#__codelineno-24-43" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键值对 */< / span >
< a id = "__codelineno-24-44" name = "__codelineno-24-44" href = "#__codelineno-24-44" > < / a > < span class = "w" > < / span > < span class = "nx" > entries< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-45" name = "__codelineno-24-45" href = "#__codelineno-24-45" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-24-46" name = "__codelineno-24-46" href = "#__codelineno-24-46" > < / 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" > i< / 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" > 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 = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > .< / span > < span class = "nx" > length< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-47" name = "__codelineno-24-47" href = "#__codelineno-24-47" > < / 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 = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ])< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-48" name = "__codelineno-24-48" href = "#__codelineno-24-48" > < / a > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ]);< / span >
2023-02-08 16:47:58 +08:00
< a id = "__codelineno-24-49" name = "__codelineno-24-49" href = "#__codelineno-24-49" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-50" name = "__codelineno-24-50" href = "#__codelineno-24-50" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-51" name = "__codelineno-24-51" href = "#__codelineno-24-51" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-24-52" name = "__codelineno-24-52" href = "#__codelineno-24-52" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-53" name = "__codelineno-24-53" href = "#__codelineno-24-53" > < / a >
< a id = "__codelineno-24-54" name = "__codelineno-24-54" href = "#__codelineno-24-54" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键 */< / span >
< a id = "__codelineno-24-55" name = "__codelineno-24-55" href = "#__codelineno-24-55" > < / a > < span class = "w" > < / span > < span class = "nx" > keys< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-56" name = "__codelineno-24-56" href = "#__codelineno-24-56" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-24-57" name = "__codelineno-24-57" href = "#__codelineno-24-57" > < / 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" > i< / 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" > 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 = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > .< / span > < span class = "nx" > length< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-58" name = "__codelineno-24-58" href = "#__codelineno-24-58" > < / 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 = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ])< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-59" name = "__codelineno-24-59" href = "#__codelineno-24-59" > < / a > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "nx" > key< / span > < span class = "p" > );< / span >
2023-02-08 16:47:58 +08:00
< a id = "__codelineno-24-60" name = "__codelineno-24-60" href = "#__codelineno-24-60" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-61" name = "__codelineno-24-61" href = "#__codelineno-24-61" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-62" name = "__codelineno-24-62" href = "#__codelineno-24-62" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-24-63" name = "__codelineno-24-63" href = "#__codelineno-24-63" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-64" name = "__codelineno-24-64" href = "#__codelineno-24-64" > < / a >
< a id = "__codelineno-24-65" name = "__codelineno-24-65" href = "#__codelineno-24-65" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有值 */< / span >
< a id = "__codelineno-24-66" name = "__codelineno-24-66" href = "#__codelineno-24-66" > < / a > < span class = "w" > < / span > < span class = "nx" > values< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-67" name = "__codelineno-24-67" href = "#__codelineno-24-67" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-24-68" name = "__codelineno-24-68" href = "#__codelineno-24-68" > < / 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" > i< / 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" > 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 = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > .< / span > < span class = "nx" > length< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-69" name = "__codelineno-24-69" href = "#__codelineno-24-69" > < / 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 = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ])< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-70" name = "__codelineno-24-70" href = "#__codelineno-24-70" > < / a > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "err" > #< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
2023-02-08 16:47:58 +08:00
< a id = "__codelineno-24-71" name = "__codelineno-24-71" href = "#__codelineno-24-71" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-72" name = "__codelineno-24-72" href = "#__codelineno-24-72" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-73" name = "__codelineno-24-73" href = "#__codelineno-24-73" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-24-74" name = "__codelineno-24-74" href = "#__codelineno-24-74" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-75" name = "__codelineno-24-75" href = "#__codelineno-24-75" > < / a >
< a id = "__codelineno-24-76" name = "__codelineno-24-76" href = "#__codelineno-24-76" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印哈希表 */< / span >
< a id = "__codelineno-24-77" name = "__codelineno-24-77" href = "#__codelineno-24-77" > < / 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-24-78" name = "__codelineno-24-78" href = "#__codelineno-24-78" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > entrySet< / 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" > entries< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-24-79" name = "__codelineno-24-79" href = "#__codelineno-24-79" > < / 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" > entry< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > entrySet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-24-80" name = "__codelineno-24-80" href = "#__codelineno-24-80" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "nx" > entry< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "k" > continue< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-24-81" name = "__codelineno-24-81" href = "#__codelineno-24-81" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "sb" > `< / span > < span class = "si" > ${< / span > < span class = "nx" > entry< / span > < span class = "p" > .< / span > < span class = "nx" > key< / span > < span class = "si" > }< / span > < span class = "sb" > -> < / span > < span class = "si" > ${< / span > < span class = "nx" > entry< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "si" > }< / span > < span class = "sb" > `< / span > < span class = "p" > );< / span >
< a id = "__codelineno-24-82" name = "__codelineno-24-82" href = "#__codelineno-24-82" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-83" name = "__codelineno-24-83" href = "#__codelineno-24-83" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-24-84" name = "__codelineno-24-84" href = "#__codelineno-24-84" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > array_hash_map.ts< / span > < pre > < span > < / span > < code > < a id = "__codelineno-25-1" name = "__codelineno-25-1" href = "#__codelineno-25-1" > < / a > < span class = "cm" > /* 键值对 Number -> String */< / span >
< a id = "__codelineno-25-2" name = "__codelineno-25-2" href = "#__codelineno-25-2" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nx" > Entry< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-02-08 16:47:58 +08:00
< a id = "__codelineno-25-3" name = "__codelineno-25-3" href = "#__codelineno-25-3" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nx" > key< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > number< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-4" name = "__codelineno-25-4" href = "#__codelineno-25-4" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "p" > ;< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-25-5" name = "__codelineno-25-5" href = "#__codelineno-25-5" > < / a >
< a id = "__codelineno-25-6" name = "__codelineno-25-6" href = "#__codelineno-25-6" > < / a > < span class = "w" > < / span > < span class = "kr" > constructor< / span > < span class = "p" > (< / span > < span class = "nx" > key< / 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" > val< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-7" name = "__codelineno-25-7" href = "#__codelineno-25-7" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > key< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nx" > key< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-8" name = "__codelineno-25-8" href = "#__codelineno-25-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-9" name = "__codelineno-25-9" href = "#__codelineno-25-9" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-10" name = "__codelineno-25-10" href = "#__codelineno-25-10" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-25-11" name = "__codelineno-25-11" href = "#__codelineno-25-11" > < / a >
< a id = "__codelineno-25-12" name = "__codelineno-25-12" href = "#__codelineno-25-12" > < / a > < span class = "cm" > /* 基于数组简易实现的哈希表 */< / span >
< a id = "__codelineno-25-13" name = "__codelineno-25-13" href = "#__codelineno-25-13" > < / a > < span class = "kd" > class< / span > < span class = "w" > < / span > < span class = "nx" > ArrayHashMap< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-04-17 21:57:50 +08:00
< a id = "__codelineno-25-14" name = "__codelineno-25-14" href = "#__codelineno-25-14" > < / a > < span class = "w" > < / span > < span class = "k" > private< / span > < span class = "w" > < / span > < span class = "k" > readonly< / span > < span class = "w" > < / span > < span class = "nx" > buckets< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > Entry< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )[];< / span >
< a id = "__codelineno-25-15" name = "__codelineno-25-15" href = "#__codelineno-25-15" > < / a >
< a id = "__codelineno-25-16" name = "__codelineno-25-16" href = "#__codelineno-25-16" > < / a > < span class = "w" > < / span > < span class = "kr" > constructor< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-17" name = "__codelineno-25-17" href = "#__codelineno-25-17" > < / a > < span class = "w" > < / span > < span class = "c1" > // 初始化数组，包含 100 个桶< / span >
< a id = "__codelineno-25-18" name = "__codelineno-25-18" href = "#__codelineno-25-18" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / 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" > Array< / span > < span class = "p" > (< / span > < span class = "mf" > 100< / span > < span class = "p" > ).< / span > < span class = "nx" > fill< / span > < span class = "p" > (< / span > < span class = "kc" > null< / span > < span class = "p" > );< / span >
< a id = "__codelineno-25-19" name = "__codelineno-25-19" href = "#__codelineno-25-19" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-20" name = "__codelineno-25-20" href = "#__codelineno-25-20" > < / a >
< a id = "__codelineno-25-21" name = "__codelineno-25-21" href = "#__codelineno-25-21" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 哈希函数 */< / span >
< a id = "__codelineno-25-22" name = "__codelineno-25-22" href = "#__codelineno-25-22" > < / a > < span class = "w" > < / span > < span class = "k" > private< / span > < span class = "w" > < / span > < span class = "nx" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / 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 = "kt" > number< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-23" name = "__codelineno-25-23" href = "#__codelineno-25-23" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > key< / span > < span class = "w" > < / span > < span class = "o" > %< / span > < span class = "w" > < / span > < span class = "mf" > 100< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-24" name = "__codelineno-25-24" href = "#__codelineno-25-24" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-25" name = "__codelineno-25-25" href = "#__codelineno-25-25" > < / a >
< a id = "__codelineno-25-26" name = "__codelineno-25-26" href = "#__codelineno-25-26" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-25-27" name = "__codelineno-25-27" href = "#__codelineno-25-27" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nx" > get< / span > < span class = "p" > (< / span > < span class = "nx" > key< / 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 = "kt" > string< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-28" name = "__codelineno-25-28" href = "#__codelineno-25-28" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-25-29" name = "__codelineno-25-29" href = "#__codelineno-25-29" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > entry< / 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" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "p" > ];< / span >
< a id = "__codelineno-25-30" name = "__codelineno-25-30" href = "#__codelineno-25-30" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > entry< / span > < span class = "w" > < / span > < span class = "o" > ===< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-31" name = "__codelineno-25-31" href = "#__codelineno-25-31" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > entry< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-32" name = "__codelineno-25-32" href = "#__codelineno-25-32" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-33" name = "__codelineno-25-33" href = "#__codelineno-25-33" > < / a >
< a id = "__codelineno-25-34" name = "__codelineno-25-34" href = "#__codelineno-25-34" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-25-35" name = "__codelineno-25-35" href = "#__codelineno-25-35" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nx" > set< / span > < span class = "p" > (< / span > < span class = "nx" > key< / 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" > val< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-36" name = "__codelineno-25-36" href = "#__codelineno-25-36" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-25-37" name = "__codelineno-25-37" href = "#__codelineno-25-37" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "ow" > new< / span > < span class = "w" > < / span > < span class = "nx" > Entry< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-25-38" name = "__codelineno-25-38" href = "#__codelineno-25-38" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-39" name = "__codelineno-25-39" href = "#__codelineno-25-39" > < / a >
< a id = "__codelineno-25-40" name = "__codelineno-25-40" href = "#__codelineno-25-40" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-25-41" name = "__codelineno-25-41" href = "#__codelineno-25-41" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "ow" > delete< / span > < span class = "p" > (< / span > < span class = "nx" > key< / 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-25-42" name = "__codelineno-25-42" href = "#__codelineno-25-42" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "nx" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-25-43" name = "__codelineno-25-43" href = "#__codelineno-25-43" > < / a > < span class = "w" > < / span > < span class = "c1" > // 置为 null ，代表删除< / span >
< a id = "__codelineno-25-44" name = "__codelineno-25-44" href = "#__codelineno-25-44" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-45" name = "__codelineno-25-45" href = "#__codelineno-25-45" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-46" name = "__codelineno-25-46" href = "#__codelineno-25-46" > < / a >
< a id = "__codelineno-25-47" name = "__codelineno-25-47" href = "#__codelineno-25-47" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键值对 */< / span >
< a id = "__codelineno-25-48" name = "__codelineno-25-48" href = "#__codelineno-25-48" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nx" > entries< / span > < span class = "p" > ()< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > Entry< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )[]< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-49" name = "__codelineno-25-49" href = "#__codelineno-25-49" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "nx" > Entry< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )[]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-25-50" name = "__codelineno-25-50" href = "#__codelineno-25-50" > < / 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" > i< / 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" > 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" > buckets< / span > < span class = "p" > .< / span > < span class = "nx" > length< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-51" name = "__codelineno-25-51" href = "#__codelineno-25-51" > < / 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" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ])< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-52" name = "__codelineno-25-52" href = "#__codelineno-25-52" > < / a > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ]);< / span >
< a id = "__codelineno-25-53" name = "__codelineno-25-53" href = "#__codelineno-25-53" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-54" name = "__codelineno-25-54" href = "#__codelineno-25-54" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-55" name = "__codelineno-25-55" href = "#__codelineno-25-55" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-56" name = "__codelineno-25-56" href = "#__codelineno-25-56" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-57" name = "__codelineno-25-57" href = "#__codelineno-25-57" > < / a >
< a id = "__codelineno-25-58" name = "__codelineno-25-58" href = "#__codelineno-25-58" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键 */< / span >
< a id = "__codelineno-25-59" name = "__codelineno-25-59" href = "#__codelineno-25-59" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nx" > keys< / span > < span class = "p" > ()< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > number< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "kc" > undefined< / span > < span class = "p" > )[]< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-60" name = "__codelineno-25-60" href = "#__codelineno-25-60" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > number< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "kc" > undefined< / span > < span class = "p" > )[]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-25-61" name = "__codelineno-25-61" href = "#__codelineno-25-61" > < / 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" > i< / 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" > 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" > buckets< / span > < span class = "p" > .< / span > < span class = "nx" > length< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-62" name = "__codelineno-25-62" href = "#__codelineno-25-62" > < / 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" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ])< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-63" name = "__codelineno-25-63" href = "#__codelineno-25-63" > < / a > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "nx" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-25-64" name = "__codelineno-25-64" href = "#__codelineno-25-64" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-65" name = "__codelineno-25-65" href = "#__codelineno-25-65" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-66" name = "__codelineno-25-66" href = "#__codelineno-25-66" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-67" name = "__codelineno-25-67" href = "#__codelineno-25-67" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-68" name = "__codelineno-25-68" href = "#__codelineno-25-68" > < / a >
< a id = "__codelineno-25-69" name = "__codelineno-25-69" href = "#__codelineno-25-69" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有值 */< / span >
< a id = "__codelineno-25-70" name = "__codelineno-25-70" href = "#__codelineno-25-70" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nx" > values< / span > < span class = "p" > ()< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > string< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "kc" > undefined< / span > < span class = "p" > )[]< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-71" name = "__codelineno-25-71" href = "#__codelineno-25-71" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "kt" > string< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "kc" > undefined< / span > < span class = "p" > )[]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "p" > [];< / span >
< a id = "__codelineno-25-72" name = "__codelineno-25-72" href = "#__codelineno-25-72" > < / 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" > i< / 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" > 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" > buckets< / span > < span class = "p" > .< / span > < span class = "nx" > length< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "nx" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-73" name = "__codelineno-25-73" href = "#__codelineno-25-73" > < / 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" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ])< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-74" name = "__codelineno-25-74" href = "#__codelineno-25-74" > < / a > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > .< / span > < span class = "nx" > push< / span > < span class = "p" > (< / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "nx" > buckets< / span > < span class = "p" > [< / span > < span class = "nx" > i< / span > < span class = "p" > ]< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-25-75" name = "__codelineno-25-75" href = "#__codelineno-25-75" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-76" name = "__codelineno-25-76" href = "#__codelineno-25-76" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-77" name = "__codelineno-25-77" href = "#__codelineno-25-77" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "nx" > arr< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-78" name = "__codelineno-25-78" href = "#__codelineno-25-78" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-79" name = "__codelineno-25-79" href = "#__codelineno-25-79" > < / a >
< a id = "__codelineno-25-80" name = "__codelineno-25-80" href = "#__codelineno-25-80" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印哈希表 */< / span >
< a id = "__codelineno-25-81" name = "__codelineno-25-81" href = "#__codelineno-25-81" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nx" > print< / span > < span class = "p" > ()< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-82" name = "__codelineno-25-82" href = "#__codelineno-25-82" > < / a > < span class = "w" > < / span > < span class = "kd" > let< / span > < span class = "w" > < / span > < span class = "nx" > entrySet< / 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" > entries< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-25-83" name = "__codelineno-25-83" href = "#__codelineno-25-83" > < / 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" > entry< / span > < span class = "w" > < / span > < span class = "k" > of< / span > < span class = "w" > < / span > < span class = "nx" > entrySet< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-25-84" name = "__codelineno-25-84" href = "#__codelineno-25-84" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "o" > !< / span > < span class = "nx" > entry< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "k" > continue< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-25-85" name = "__codelineno-25-85" href = "#__codelineno-25-85" > < / a > < span class = "w" > < / span > < span class = "nx" > console< / span > < span class = "p" > .< / span > < span class = "nx" > info< / span > < span class = "p" > (< / span > < span class = "sb" > `< / span > < span class = "si" > ${< / span > < span class = "nx" > entry< / span > < span class = "p" > .< / span > < span class = "nx" > key< / span > < span class = "si" > }< / span > < span class = "sb" > -> < / span > < span class = "si" > ${< / span > < span class = "nx" > entry< / span > < span class = "p" > .< / span > < span class = "nx" > val< / span > < span class = "si" > }< / span > < span class = "sb" > `< / span > < span class = "p" > );< / span >
< a id = "__codelineno-25-86" name = "__codelineno-25-86" href = "#__codelineno-25-86" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-87" name = "__codelineno-25-87" href = "#__codelineno-25-87" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-25-88" name = "__codelineno-25-88" href = "#__codelineno-25-88" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-02-11 18:21:51 +08:00
< div class = "highlight" > < span class = "filename" > array_hash_map.c< / span > < pre > < span > < / span > < code > < a id = "__codelineno-26-1" name = "__codelineno-26-1" href = "#__codelineno-26-1" > < / a > < span class = "p" > [< / span > < span class = "n" > class< / span > < span class = "p" > ]{< / span > < span class = "n" > entry< / span > < span class = "p" > }< / span > < span class = "o" > -< / span > < span class = "p" > [< / span > < span class = "n" > func< / span > < span class = "p" > ]{}< / span >
< a id = "__codelineno-26-2" name = "__codelineno-26-2" href = "#__codelineno-26-2" > < / a >
< a id = "__codelineno-26-3" name = "__codelineno-26-3" href = "#__codelineno-26-3" > < / a > < span class = "p" > [< / span > < span class = "n" > class< / span > < span class = "p" > ]{< / span > < span class = "n" > arrayHashMap< / span > < span class = "p" > }< / span > < span class = "o" > -< / span > < span class = "p" > [< / span > < span class = "n" > func< / span > < span class = "p" > ]{}< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
2023-04-22 01:35:59 +08:00
< div class = "highlight" > < span class = "filename" > array_hash_map.cs< / span > < pre > < span > < / span > < code > < a id = "__codelineno-27-1" name = "__codelineno-27-1" href = "#__codelineno-27-1" > < / a > < span class = "cm" > /* 键值对 int-> string */< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-27-2" name = "__codelineno-27-2" href = "#__codelineno-27-2" > < / a > < span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > Entry< / span >
< a id = "__codelineno-27-3" name = "__codelineno-27-3" href = "#__codelineno-27-3" > < / a > < span class = "p" > {< / span >
< a id = "__codelineno-27-4" name = "__codelineno-27-4" href = "#__codelineno-27-4" > < / 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 = "n" > key< / span > < span class = "p" > ;< / span >
2023-04-22 01:35:59 +08:00
< a id = "__codelineno-27-5" name = "__codelineno-27-5" href = "#__codelineno-27-5" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-27-6" name = "__codelineno-27-6" href = "#__codelineno-27-6" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nf" > Entry< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-27-7" name = "__codelineno-27-7" href = "#__codelineno-27-7" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-8" name = "__codelineno-27-8" href = "#__codelineno-27-8" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-27-9" name = "__codelineno-27-9" href = "#__codelineno-27-9" > < / a > < span class = "w" > < / span > < span class = "k" > this< / span > < span class = "p" > .< / span > < span class = "n" > val< / 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-27-10" name = "__codelineno-27-10" href = "#__codelineno-27-10" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-11" name = "__codelineno-27-11" href = "#__codelineno-27-11" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-27-12" name = "__codelineno-27-12" href = "#__codelineno-27-12" > < / a >
< a id = "__codelineno-27-13" name = "__codelineno-27-13" href = "#__codelineno-27-13" > < / a > < span class = "cm" > /* 基于数组简易实现的哈希表 */< / span >
< a id = "__codelineno-27-14" name = "__codelineno-27-14" href = "#__codelineno-27-14" > < / a > < span class = "k" > class< / span > < span class = "w" > < / span > < span class = "nc" > ArrayHashMap< / span >
< a id = "__codelineno-27-15" name = "__codelineno-27-15" href = "#__codelineno-27-15" > < / a > < span class = "p" > {< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-27-16" name = "__codelineno-27-16" href = "#__codelineno-27-16" > < / a > < span class = "w" > < / span > < span class = "k" > private< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Entry< / span > < span class = "o" > ?> < / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > ;< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-27-17" name = "__codelineno-27-17" href = "#__codelineno-27-17" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "nf" > ArrayHashMap< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-27-18" name = "__codelineno-27-18" href = "#__codelineno-27-18" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-03-15 03:49:05 +08:00
< a id = "__codelineno-27-19" name = "__codelineno-27-19" href = "#__codelineno-27-19" > < / a > < span class = "w" > < / span > < span class = "c1" > // 初始化数组，包含 100 个桶< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-27-20" name = "__codelineno-27-20" href = "#__codelineno-27-20" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "p" > ();< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-27-21" name = "__codelineno-27-21" href = "#__codelineno-27-21" > < / 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 = "m" > 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 = "m" > 100< / span > < span class = "p" > ;< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > ++< / span > < span class = "p" > )< / span >
< a id = "__codelineno-27-22" name = "__codelineno-27-22" href = "#__codelineno-27-22" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-27-23" name = "__codelineno-27-23" href = "#__codelineno-27-23" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "k" > null< / span > < span class = "p" > );< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-27-24" name = "__codelineno-27-24" href = "#__codelineno-27-24" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-25" name = "__codelineno-27-25" href = "#__codelineno-27-25" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-26" name = "__codelineno-27-26" href = "#__codelineno-27-26" > < / a >
< a id = "__codelineno-27-27" name = "__codelineno-27-27" href = "#__codelineno-27-27" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 哈希函数 */< / span >
< a id = "__codelineno-27-28" name = "__codelineno-27-28" href = "#__codelineno-27-28" > < / a > < span class = "w" > < / span > < span class = "k" > private< / span > < span class = "w" > < / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "nf" > hashFunc< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-27-29" name = "__codelineno-27-29" href = "#__codelineno-27-29" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-30" name = "__codelineno-27-30" href = "#__codelineno-27-30" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / 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" > key< / span > < span class = "w" > < / span > < span class = "o" > %< / span > < span class = "w" > < / span > < span class = "m" > 100< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-27-31" name = "__codelineno-27-31" href = "#__codelineno-27-31" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-27-32" name = "__codelineno-27-32" href = "#__codelineno-27-32" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-33" name = "__codelineno-27-33" href = "#__codelineno-27-33" > < / a >
< a id = "__codelineno-27-34" name = "__codelineno-27-34" href = "#__codelineno-27-34" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 查询操作 */< / span >
2023-04-22 01:35:59 +08:00
< a id = "__codelineno-27-35" name = "__codelineno-27-35" href = "#__codelineno-27-35" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "kt" > string?< / span > < span class = "w" > < / span > < span class = "k" > get< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-36" name = "__codelineno-27-36" href = "#__codelineno-27-36" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-37" name = "__codelineno-27-37" href = "#__codelineno-27-37" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-27-38" name = "__codelineno-27-38" href = "#__codelineno-27-38" > < / a > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "o" > ?< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ];< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-39" name = "__codelineno-27-39" href = "#__codelineno-27-39" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "k" > null< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "k" > null< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-27-40" name = "__codelineno-27-40" href = "#__codelineno-27-40" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-27-41" name = "__codelineno-27-41" href = "#__codelineno-27-41" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-42" name = "__codelineno-27-42" href = "#__codelineno-27-42" > < / a >
< a id = "__codelineno-27-43" name = "__codelineno-27-43" href = "#__codelineno-27-43" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 添加操作 */< / span >
2023-04-22 01:35:59 +08:00
< a id = "__codelineno-27-44" name = "__codelineno-27-44" href = "#__codelineno-27-44" > < / 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" > put< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "kt" > string< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-45" name = "__codelineno-27-45" href = "#__codelineno-27-45" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-46" name = "__codelineno-27-46" href = "#__codelineno-27-46" > < / a > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "n" > pair< / 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" > Entry< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-27-47" name = "__codelineno-27-47" href = "#__codelineno-27-47" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-27-48" name = "__codelineno-27-48" href = "#__codelineno-27-48" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "p" > ;< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-49" name = "__codelineno-27-49" href = "#__codelineno-27-49" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-50" name = "__codelineno-27-50" href = "#__codelineno-27-50" > < / a >
< a id = "__codelineno-27-51" name = "__codelineno-27-51" href = "#__codelineno-27-51" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-27-52" name = "__codelineno-27-52" href = "#__codelineno-27-52" > < / 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" > remove< / span > < span class = "p" > (< / span > < span class = "kt" > int< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-27-53" name = "__codelineno-27-53" href = "#__codelineno-27-53" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-54" name = "__codelineno-27-54" href = "#__codelineno-27-54" > < / a > < span class = "w" > < / span > < span class = "kt" > int< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-27-55" name = "__codelineno-27-55" href = "#__codelineno-27-55" > < / a > < span class = "w" > < / span > < span class = "c1" > // 置为 null ，代表删除< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-27-56" name = "__codelineno-27-56" href = "#__codelineno-27-56" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > null< / span > < span class = "p" > ;< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-57" name = "__codelineno-27-57" href = "#__codelineno-27-57" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-58" name = "__codelineno-27-58" href = "#__codelineno-27-58" > < / a >
< a id = "__codelineno-27-59" name = "__codelineno-27-59" href = "#__codelineno-27-59" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键值对 */< / span >
< a id = "__codelineno-27-60" name = "__codelineno-27-60" href = "#__codelineno-27-60" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Entry< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-27-61" name = "__codelineno-27-61" href = "#__codelineno-27-61" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-62" name = "__codelineno-27-62" href = "#__codelineno-27-62" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "n" > Entry< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "p" > ();< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-27-63" name = "__codelineno-27-63" href = "#__codelineno-27-63" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / 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" > buckets< / span > < span class = "p" > )< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-64" name = "__codelineno-27-64" href = "#__codelineno-27-64" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-65" name = "__codelineno-27-65" href = "#__codelineno-27-65" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "k" > null< / span > < span class = "p" > )< / span >
< a id = "__codelineno-27-66" name = "__codelineno-27-66" href = "#__codelineno-27-66" > < / a > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > );< / span >
< a id = "__codelineno-27-67" name = "__codelineno-27-67" href = "#__codelineno-27-67" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-68" name = "__codelineno-27-68" href = "#__codelineno-27-68" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-27-69" name = "__codelineno-27-69" href = "#__codelineno-27-69" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-70" name = "__codelineno-27-70" href = "#__codelineno-27-70" > < / a >
< a id = "__codelineno-27-71" name = "__codelineno-27-71" href = "#__codelineno-27-71" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有键 */< / span >
< a id = "__codelineno-27-72" name = "__codelineno-27-72" href = "#__codelineno-27-72" > < / a > < span class = "w" > < / span > < span class = "k" > public< / 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" > keySet< / span > < span class = "p" > ()< / span >
< a id = "__codelineno-27-73" name = "__codelineno-27-73" href = "#__codelineno-27-73" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-74" name = "__codelineno-27-74" href = "#__codelineno-27-74" > < / 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" > keySet< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "p" > ();< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-27-75" name = "__codelineno-27-75" href = "#__codelineno-27-75" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / 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" > buckets< / span > < span class = "p" > )< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-76" name = "__codelineno-27-76" href = "#__codelineno-27-76" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-77" name = "__codelineno-27-77" href = "#__codelineno-27-77" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "k" > null< / span > < span class = "p" > )< / span >
< a id = "__codelineno-27-78" name = "__codelineno-27-78" href = "#__codelineno-27-78" > < / a > < span class = "w" > < / span > < span class = "n" > keySet< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-27-79" name = "__codelineno-27-79" href = "#__codelineno-27-79" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-80" name = "__codelineno-27-80" href = "#__codelineno-27-80" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > keySet< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-27-81" name = "__codelineno-27-81" href = "#__codelineno-27-81" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-82" name = "__codelineno-27-82" href = "#__codelineno-27-82" > < / a >
< a id = "__codelineno-27-83" name = "__codelineno-27-83" href = "#__codelineno-27-83" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 获取所有值 */< / span >
2023-04-22 01:35:59 +08:00
< a id = "__codelineno-27-84" name = "__codelineno-27-84" href = "#__codelineno-27-84" > < / a > < span class = "w" > < / span > < span class = "k" > public< / span > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > string< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > valueSet< / span > < span class = "p" > ()< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-85" name = "__codelineno-27-85" href = "#__codelineno-27-85" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-04-22 01:35:59 +08:00
< a id = "__codelineno-27-86" name = "__codelineno-27-86" href = "#__codelineno-27-86" > < / a > < span class = "w" > < / span > < span class = "n" > List< / span > < span class = "o" > < < / span > < span class = "kt" > string< / span > < span class = "o" > > < / span > < span class = "w" > < / span > < span class = "n" > valueSet< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > new< / span > < span class = "p" > ();< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-27-87" name = "__codelineno-27-87" href = "#__codelineno-27-87" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / 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" > buckets< / span > < span class = "p" > )< / span >
2023-02-08 22:16:28 +08:00
< a id = "__codelineno-27-88" name = "__codelineno-27-88" href = "#__codelineno-27-88" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-89" name = "__codelineno-27-89" href = "#__codelineno-27-89" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "k" > null< / span > < span class = "p" > )< / span >
< a id = "__codelineno-27-90" name = "__codelineno-27-90" href = "#__codelineno-27-90" > < / a > < span class = "w" > < / span > < span class = "n" > valueSet< / span > < span class = "p" > .< / span > < span class = "n" > Add< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-27-91" name = "__codelineno-27-91" href = "#__codelineno-27-91" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-92" name = "__codelineno-27-92" href = "#__codelineno-27-92" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > valueSet< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-27-93" name = "__codelineno-27-93" href = "#__codelineno-27-93" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-94" name = "__codelineno-27-94" href = "#__codelineno-27-94" > < / a >
< a id = "__codelineno-27-95" name = "__codelineno-27-95" href = "#__codelineno-27-95" > < / a > < span class = "w" > < / span > < span class = "cm" > /* 打印哈希表 */< / span >
< a id = "__codelineno-27-96" name = "__codelineno-27-96" href = "#__codelineno-27-96" > < / 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 >
< a id = "__codelineno-27-97" name = "__codelineno-27-97" href = "#__codelineno-27-97" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-98" name = "__codelineno-27-98" href = "#__codelineno-27-98" > < / a > < span class = "w" > < / span > < span class = "k" > foreach< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "n" > kv< / span > < span class = "w" > < / span > < span class = "k" > in< / span > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > ())< / span >
< a id = "__codelineno-27-99" name = "__codelineno-27-99" href = "#__codelineno-27-99" > < / a > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-27-100" name = "__codelineno-27-100" href = "#__codelineno-27-100" > < / 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" > kv< / span > < span class = "p" > .< / span > < span class = "n" > key< / 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" > kv< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-27-101" name = "__codelineno-27-101" href = "#__codelineno-27-101" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-102" name = "__codelineno-27-102" href = "#__codelineno-27-102" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-27-103" name = "__codelineno-27-103" href = "#__codelineno-27-103" > < / a > < span class = "p" > }< / span >
2023-02-08 14:54:41 +08:00
< / code > < / pre > < / div >
< / div >
< div class = "tabbed-block" >
< div class = "highlight" > < span class = "filename" > array_hash_map.swift< / span > < pre > < span > < / span > < code > < a id = "__codelineno-28-1" name = "__codelineno-28-1" href = "#__codelineno-28-1" > < / a > < span class = "cm" > /* 键值对 int-> String */< / span >
< a id = "__codelineno-28-2" name = "__codelineno-28-2" href = "#__codelineno-28-2" > < / a > < span class = "kd" > class< / span > < span class = "nc" > Entry< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-3" name = "__codelineno-28-3" href = "#__codelineno-28-3" > < / a > < span class = "kd" > var< / span > < span class = "nv" > key< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span >
< a id = "__codelineno-28-4" name = "__codelineno-28-4" href = "#__codelineno-28-4" > < / a > < span class = "kd" > var< / span > < span class = "nv" > val< / span > < span class = "p" > :< / span > < span class = "nb" > String< / span >
< a id = "__codelineno-28-5" name = "__codelineno-28-5" href = "#__codelineno-28-5" > < / a >
< a id = "__codelineno-28-6" name = "__codelineno-28-6" href = "#__codelineno-28-6" > < / a > < span class = "kd" > init< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "p" > :< / span > < span class = "nb" > String< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-7" name = "__codelineno-28-7" href = "#__codelineno-28-7" > < / a > < span class = "kc" > self< / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "p" > =< / span > < span class = "n" > key< / span >
< a id = "__codelineno-28-8" name = "__codelineno-28-8" href = "#__codelineno-28-8" > < / a > < span class = "kc" > self< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > =< / span > < span class = "n" > val< / span >
< a id = "__codelineno-28-9" name = "__codelineno-28-9" href = "#__codelineno-28-9" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-10" name = "__codelineno-28-10" href = "#__codelineno-28-10" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-11" name = "__codelineno-28-11" href = "#__codelineno-28-11" > < / a >
< a id = "__codelineno-28-12" name = "__codelineno-28-12" href = "#__codelineno-28-12" > < / a > < span class = "cm" > /* 基于数组简易实现的哈希表 */< / span >
< a id = "__codelineno-28-13" name = "__codelineno-28-13" href = "#__codelineno-28-13" > < / a > < span class = "kd" > class< / span > < span class = "nc" > ArrayHashMap< / span > < span class = "p" > {< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-28-14" name = "__codelineno-28-14" href = "#__codelineno-28-14" > < / a > < span class = "kd" > private< / span > < span class = "kd" > var< / span > < span class = "nv" > buckets< / span > < span class = "p" > :< / span > < span class = "p" > [< / span > < span class = "n" > Entry< / span > < span class = "p" > ?]< / span > < span class = "p" > =< / span > < span class = "p" > []< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-28-15" name = "__codelineno-28-15" href = "#__codelineno-28-15" > < / a >
< a id = "__codelineno-28-16" name = "__codelineno-28-16" href = "#__codelineno-28-16" > < / a > < span class = "kd" > init< / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
2023-03-15 03:49:05 +08:00
< a id = "__codelineno-28-17" name = "__codelineno-28-17" href = "#__codelineno-28-17" > < / a > < span class = "c1" > // 初始化数组，包含 100 个桶< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-28-18" name = "__codelineno-28-18" href = "#__codelineno-28-18" > < / a > < span class = "k" > for< / span > < span class = "kc" > _< / span > < span class = "k" > in< / span > < span class = "mi" > 0< / span > < span class = "p" > ..< / span > < span class = "o" > < < / span > < span class = "mi" > 100< / span > < span class = "p" > {< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-28-19" name = "__codelineno-28-19" href = "#__codelineno-28-19" > < / a > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "kc" > nil< / span > < span class = "p" > )< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-28-20" name = "__codelineno-28-20" href = "#__codelineno-28-20" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-21" name = "__codelineno-28-21" href = "#__codelineno-28-21" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-22" name = "__codelineno-28-22" href = "#__codelineno-28-22" > < / a >
< a id = "__codelineno-28-23" name = "__codelineno-28-23" href = "#__codelineno-28-23" > < / a > < span class = "cm" > /* 哈希函数 */< / span >
< a id = "__codelineno-28-24" name = "__codelineno-28-24" href = "#__codelineno-28-24" > < / a > < span class = "kd" > private< / span > < span class = "kd" > func< / span > < span class = "nf" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > )< / span > < span class = "p" > -> < / span > < span class = "nb" > Int< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-25" name = "__codelineno-28-25" href = "#__codelineno-28-25" > < / a > < span class = "kd" > let< / span > < span class = "nv" > index< / span > < span class = "p" > =< / span > < span class = "n" > key< / span > < span class = "o" > %< / span > < span class = "mi" > 100< / span >
< a id = "__codelineno-28-26" name = "__codelineno-28-26" href = "#__codelineno-28-26" > < / a > < span class = "k" > return< / span > < span class = "n" > index< / span >
< a id = "__codelineno-28-27" name = "__codelineno-28-27" href = "#__codelineno-28-27" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-28" name = "__codelineno-28-28" href = "#__codelineno-28-28" > < / a >
< a id = "__codelineno-28-29" name = "__codelineno-28-29" href = "#__codelineno-28-29" > < / a > < span class = "cm" > /* 查询操作 */< / span >
< a id = "__codelineno-28-30" name = "__codelineno-28-30" href = "#__codelineno-28-30" > < / a > < span class = "kd" > func< / span > < span class = "nf" > get< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > )< / span > < span class = "p" > -> < / span > < span class = "nb" > String< / span > < span class = "p" > ?< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-31" name = "__codelineno-28-31" href = "#__codelineno-28-31" > < / a > < span class = "kd" > let< / span > < span class = "nv" > index< / span > < span class = "p" > =< / span > < span class = "n" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-28-32" name = "__codelineno-28-32" href = "#__codelineno-28-32" > < / a > < span class = "kd" > let< / span > < span class = "nv" > pair< / span > < span class = "p" > =< / span > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span >
2023-02-08 14:54:41 +08:00
< a id = "__codelineno-28-33" name = "__codelineno-28-33" href = "#__codelineno-28-33" > < / a > < span class = "k" > return< / span > < span class = "n" > pair< / span > < span class = "p" > ?.< / span > < span class = "n" > val< / span >
< a id = "__codelineno-28-34" name = "__codelineno-28-34" href = "#__codelineno-28-34" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-35" name = "__codelineno-28-35" href = "#__codelineno-28-35" > < / a >
< a id = "__codelineno-28-36" name = "__codelineno-28-36" href = "#__codelineno-28-36" > < / a > < span class = "cm" > /* 添加操作 */< / span >
< a id = "__codelineno-28-37" name = "__codelineno-28-37" href = "#__codelineno-28-37" > < / a > < span class = "kd" > func< / span > < span class = "nf" > put< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > ,< / span > < span class = "n" > val< / span > < span class = "p" > :< / span > < span class = "nb" > String< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-38" name = "__codelineno-28-38" href = "#__codelineno-28-38" > < / a > < span class = "kd" > let< / span > < span class = "nv" > pair< / span > < span class = "p" > =< / span > < span class = "n" > Entry< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "n" > key< / 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-28-39" name = "__codelineno-28-39" href = "#__codelineno-28-39" > < / a > < span class = "kd" > let< / span > < span class = "nv" > index< / span > < span class = "p" > =< / span > < span class = "n" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
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< a id = "__codelineno-28-40" name = "__codelineno-28-40" href = "#__codelineno-28-40" > < / a > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "n" > pair< / span >
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< a id = "__codelineno-28-41" name = "__codelineno-28-41" href = "#__codelineno-28-41" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-42" name = "__codelineno-28-42" href = "#__codelineno-28-42" > < / a >
< a id = "__codelineno-28-43" name = "__codelineno-28-43" href = "#__codelineno-28-43" > < / a > < span class = "cm" > /* 删除操作 */< / span >
< a id = "__codelineno-28-44" name = "__codelineno-28-44" href = "#__codelineno-28-44" > < / a > < span class = "kd" > func< / span > < span class = "nf" > remove< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "nb" > Int< / span > < span class = "p" > )< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-45" name = "__codelineno-28-45" href = "#__codelineno-28-45" > < / a > < span class = "kd" > let< / span > < span class = "nv" > index< / span > < span class = "p" > =< / span > < span class = "n" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > :< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-28-46" name = "__codelineno-28-46" href = "#__codelineno-28-46" > < / a > < span class = "c1" > // 置为 nil ，代表删除< / span >
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< a id = "__codelineno-28-47" name = "__codelineno-28-47" href = "#__codelineno-28-47" > < / a > < span class = "n" > buckets< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "kc" > nil< / span >
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< a id = "__codelineno-28-48" name = "__codelineno-28-48" href = "#__codelineno-28-48" > < / a > < span class = "p" > }< / span >
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< a id = "__codelineno-28-49" name = "__codelineno-28-49" href = "#__codelineno-28-49" > < / a >
< a id = "__codelineno-28-50" name = "__codelineno-28-50" href = "#__codelineno-28-50" > < / a > < span class = "cm" > /* 获取所有键值对 */< / span >
< a id = "__codelineno-28-51" name = "__codelineno-28-51" href = "#__codelineno-28-51" > < / a > < span class = "kd" > func< / span > < span class = "nf" > entrySet< / span > < span class = "p" > ()< / span > < span class = "p" > -> < / span > < span class = "p" > [< / span > < span class = "n" > Entry< / span > < span class = "p" > ]< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-52" name = "__codelineno-28-52" href = "#__codelineno-28-52" > < / a > < span class = "kd" > var< / span > < span class = "nv" > entrySet< / span > < span class = "p" > :< / span > < span class = "p" > [< / span > < span class = "n" > Entry< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "p" > []< / span >
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< a id = "__codelineno-28-53" name = "__codelineno-28-53" href = "#__codelineno-28-53" > < / a > < span class = "k" > for< / span > < span class = "n" > pair< / span > < span class = "k" > in< / span > < span class = "n" > buckets< / span > < span class = "p" > {< / span >
2023-02-08 20:30:33 +08:00
< a id = "__codelineno-28-54" name = "__codelineno-28-54" href = "#__codelineno-28-54" > < / a > < span class = "k" > if< / span > < span class = "kd" > let< / span > < span class = "nv" > pair< / span > < span class = "p" > =< / span > < span class = "n" > pair< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-55" name = "__codelineno-28-55" href = "#__codelineno-28-55" > < / a > < span class = "n" > entrySet< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > )< / span >
< a id = "__codelineno-28-56" name = "__codelineno-28-56" href = "#__codelineno-28-56" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-57" name = "__codelineno-28-57" href = "#__codelineno-28-57" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-58" name = "__codelineno-28-58" href = "#__codelineno-28-58" > < / a > < span class = "k" > return< / span > < span class = "n" > entrySet< / span >
< a id = "__codelineno-28-59" name = "__codelineno-28-59" href = "#__codelineno-28-59" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-60" name = "__codelineno-28-60" href = "#__codelineno-28-60" > < / a >
< a id = "__codelineno-28-61" name = "__codelineno-28-61" href = "#__codelineno-28-61" > < / a > < span class = "cm" > /* 获取所有键 */< / span >
< a id = "__codelineno-28-62" name = "__codelineno-28-62" href = "#__codelineno-28-62" > < / a > < span class = "kd" > func< / span > < span class = "nf" > keySet< / span > < span class = "p" > ()< / 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-28-63" name = "__codelineno-28-63" href = "#__codelineno-28-63" > < / a > < span class = "kd" > var< / span > < span class = "nv" > keySet< / 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 >
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< a id = "__codelineno-28-64" name = "__codelineno-28-64" href = "#__codelineno-28-64" > < / a > < span class = "k" > for< / span > < span class = "n" > pair< / span > < span class = "k" > in< / span > < span class = "n" > buckets< / span > < span class = "p" > {< / span >
2023-02-08 20:30:33 +08:00
< a id = "__codelineno-28-65" name = "__codelineno-28-65" href = "#__codelineno-28-65" > < / a > < span class = "k" > if< / span > < span class = "kd" > let< / span > < span class = "nv" > pair< / span > < span class = "p" > =< / span > < span class = "n" > pair< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-66" name = "__codelineno-28-66" href = "#__codelineno-28-66" > < / a > < span class = "n" > keySet< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "p" > )< / span >
< a id = "__codelineno-28-67" name = "__codelineno-28-67" href = "#__codelineno-28-67" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-68" name = "__codelineno-28-68" href = "#__codelineno-28-68" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-69" name = "__codelineno-28-69" href = "#__codelineno-28-69" > < / a > < span class = "k" > return< / span > < span class = "n" > keySet< / span >
< a id = "__codelineno-28-70" name = "__codelineno-28-70" href = "#__codelineno-28-70" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-71" name = "__codelineno-28-71" href = "#__codelineno-28-71" > < / a >
< a id = "__codelineno-28-72" name = "__codelineno-28-72" href = "#__codelineno-28-72" > < / a > < span class = "cm" > /* 获取所有值 */< / span >
< a id = "__codelineno-28-73" name = "__codelineno-28-73" href = "#__codelineno-28-73" > < / a > < span class = "kd" > func< / span > < span class = "nf" > valueSet< / span > < span class = "p" > ()< / span > < span class = "p" > -> < / span > < span class = "p" > [< / span > < span class = "nb" > String< / span > < span class = "p" > ]< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-74" name = "__codelineno-28-74" href = "#__codelineno-28-74" > < / a > < span class = "kd" > var< / span > < span class = "nv" > valueSet< / span > < span class = "p" > :< / span > < span class = "p" > [< / span > < span class = "nb" > String< / span > < span class = "p" > ]< / span > < span class = "p" > =< / span > < span class = "p" > []< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-28-75" name = "__codelineno-28-75" href = "#__codelineno-28-75" > < / a > < span class = "k" > for< / span > < span class = "n" > pair< / span > < span class = "k" > in< / span > < span class = "n" > buckets< / span > < span class = "p" > {< / span >
2023-02-08 20:30:33 +08:00
< a id = "__codelineno-28-76" name = "__codelineno-28-76" href = "#__codelineno-28-76" > < / a > < span class = "k" > if< / span > < span class = "kd" > let< / span > < span class = "nv" > pair< / span > < span class = "p" > =< / span > < span class = "n" > pair< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-77" name = "__codelineno-28-77" href = "#__codelineno-28-77" > < / a > < span class = "n" > valueSet< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > )< / span >
< a id = "__codelineno-28-78" name = "__codelineno-28-78" href = "#__codelineno-28-78" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-79" name = "__codelineno-28-79" href = "#__codelineno-28-79" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-80" name = "__codelineno-28-80" href = "#__codelineno-28-80" > < / a > < span class = "k" > return< / span > < span class = "n" > valueSet< / span >
< a id = "__codelineno-28-81" name = "__codelineno-28-81" href = "#__codelineno-28-81" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-82" name = "__codelineno-28-82" href = "#__codelineno-28-82" > < / a >
< a id = "__codelineno-28-83" name = "__codelineno-28-83" href = "#__codelineno-28-83" > < / a > < span class = "cm" > /* 打印哈希表 */< / span >
< a id = "__codelineno-28-84" name = "__codelineno-28-84" href = "#__codelineno-28-84" > < / a > < span class = "kd" > func< / span > < span class = "nf" > print< / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-85" name = "__codelineno-28-85" href = "#__codelineno-28-85" > < / a > < span class = "k" > for< / span > < span class = "n" > entry< / span > < span class = "k" > in< / span > < span class = "n" > entrySet< / span > < span class = "p" > ()< / span > < span class = "p" > {< / span >
< a id = "__codelineno-28-86" name = "__codelineno-28-86" href = "#__codelineno-28-86" > < / 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" > entry< / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "si" > )< / span > < span class = "s" > -> < / span > < span class = "si" > \(< / span > < span class = "n" > entry< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "si" > )< / span > < span class = "s" > " < / span > < span class = "p" > )< / span >
< a id = "__codelineno-28-87" name = "__codelineno-28-87" href = "#__codelineno-28-87" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-88" name = "__codelineno-28-88" href = "#__codelineno-28-88" > < / a > < span class = "p" > }< / span >
< a id = "__codelineno-28-89" name = "__codelineno-28-89" href = "#__codelineno-28-89" > < / 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" > array_hash_map.zig< / span > < pre > < span > < / span > < code > < a id = "__codelineno-29-1" name = "__codelineno-29-1" href = "#__codelineno-29-1" > < / a > < span class = "c1" > // 键值对 int-> String< / span >
< a id = "__codelineno-29-2" name = "__codelineno-29-2" href = "#__codelineno-29-2" > < / a > < span class = "kr" > const< / span > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > struct< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-3" name = "__codelineno-29-3" href = "#__codelineno-29-3" > < / a > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > usize< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "kc" > undefined< / span > < span class = "p" > ,< / span >
< a id = "__codelineno-29-4" name = "__codelineno-29-4" href = "#__codelineno-29-4" > < / a > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kr" > const< / span > < span class = "w" > < / span > < span class = "kt" > u8< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "kc" > undefined< / span > < span class = "p" > ,< / span >
< a id = "__codelineno-29-5" name = "__codelineno-29-5" href = "#__codelineno-29-5" > < / a >
< a id = "__codelineno-29-6" name = "__codelineno-29-6" href = "#__codelineno-29-6" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > init< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > usize< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kr" > const< / span > < span class = "w" > < / span > < span class = "kt" > u8< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-7" name = "__codelineno-29-7" href = "#__codelineno-29-7" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-8" name = "__codelineno-29-8" href = "#__codelineno-29-8" > < / a > < span class = "w" > < / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "p" > ,< / span >
< a id = "__codelineno-29-9" name = "__codelineno-29-9" href = "#__codelineno-29-9" > < / a > < span class = "w" > < / span > < span class = "p" > .< / span > < span class = "n" > val< / 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-29-10" name = "__codelineno-29-10" href = "#__codelineno-29-10" > < / a > < span class = "w" > < / span > < span class = "p" > };< / span >
< a id = "__codelineno-29-11" name = "__codelineno-29-11" href = "#__codelineno-29-11" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-12" name = "__codelineno-29-12" href = "#__codelineno-29-12" > < / a > < span class = "p" > };< / span >
< a id = "__codelineno-29-13" name = "__codelineno-29-13" href = "#__codelineno-29-13" > < / a >
< a id = "__codelineno-29-14" name = "__codelineno-29-14" href = "#__codelineno-29-14" > < / a > < span class = "c1" > // 基于数组简易实现的哈希表< / span >
< a id = "__codelineno-29-15" name = "__codelineno-29-15" href = "#__codelineno-29-15" > < / a > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > ArrayHashMap< / span > < span class = "p" > (< / span > < span class = "kr" > comptime< / span > < span class = "w" > < / span > < span class = "n" > T< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > type< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "kt" > type< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-16" name = "__codelineno-29-16" href = "#__codelineno-29-16" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "k" > struct< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-29-17" name = "__codelineno-29-17" href = "#__codelineno-29-17" > < / a > < span class = "w" > < / span > < span class = "n" > buckets< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > ?< / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > ArrayList< / span > < span class = "p" > (< / span > < span class = "o" > ?< / span > < span class = "n" > T< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > ,< / span >
2023-02-09 22:55:35 +08:00
< a id = "__codelineno-29-18" name = "__codelineno-29-18" href = "#__codelineno-29-18" > < / a > < span class = "w" > < / span > < span class = "n" > mem_allocator< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > mem< / span > < span class = "p" > .< / span > < span class = "n" > Allocator< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "kc" > undefined< / span > < span class = "p" > ,< / span >
< a id = "__codelineno-29-19" name = "__codelineno-29-19" href = "#__codelineno-29-19" > < / a >
< a id = "__codelineno-29-20" name = "__codelineno-29-20" href = "#__codelineno-29-20" > < / a > < span class = "w" > < / span > < span class = "kr" > const< / span > < span class = "w" > < / span > < span class = "n" > Self< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "nb" > @This< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-29-21" name = "__codelineno-29-21" href = "#__codelineno-29-21" > < / a >
2023-02-10 01:03:44 +08:00
< a id = "__codelineno-29-22" name = "__codelineno-29-22" href = "#__codelineno-29-22" > < / a > < span class = "w" > < / span > < span class = "c1" > // 构造方法< / span >
2023-02-09 22:55:35 +08:00
< a id = "__codelineno-29-23" name = "__codelineno-29-23" href = "#__codelineno-29-23" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > init< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > Self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > allocator< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > mem< / span > < span class = "p" > .< / span > < span class = "n" > Allocator< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-24" name = "__codelineno-29-24" href = "#__codelineno-29-24" > < / a > < span class = "w" > < / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > mem_allocator< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > allocator< / span > < span class = "p" > ;< / span >
2023-03-15 03:49:05 +08:00
< a id = "__codelineno-29-25" name = "__codelineno-29-25" href = "#__codelineno-29-25" > < / a > < span class = "w" > < / span > < span class = "c1" > // 初始化数组，包含 100 个桶< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-29-26" name = "__codelineno-29-26" href = "#__codelineno-29-26" > < / a > < span class = "w" > < / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > ArrayList< / span > < span class = "p" > (< / span > < span class = "o" > ?< / span > < span class = "n" > T< / span > < span class = "p" > ).< / span > < span class = "n" > init< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > mem_allocator< / span > < span class = "p" > );< / span >
2023-02-09 22:55:35 +08:00
< a id = "__codelineno-29-27" name = "__codelineno-29-27" href = "#__codelineno-29-27" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / span > < span class = "w" > < / span > < span class = "n" > i< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > i32< / 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-29-28" name = "__codelineno-29-28" href = "#__codelineno-29-28" > < / a > < span class = "w" > < / span > < span class = "k" > while< / 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" > 100< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > :< / 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" > 1< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-29-29" name = "__codelineno-29-29" href = "#__codelineno-29-29" > < / a > < span class = "w" > < / span > < span class = "k" > try< / span > < span class = "w" > < / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "kc" > null< / span > < span class = "p" > );< / span >
2023-02-09 22:55:35 +08:00
< a id = "__codelineno-29-30" name = "__codelineno-29-30" href = "#__codelineno-29-30" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-31" name = "__codelineno-29-31" href = "#__codelineno-29-31" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-32" name = "__codelineno-29-32" href = "#__codelineno-29-32" > < / a >
2023-02-10 01:03:44 +08:00
< a id = "__codelineno-29-33" name = "__codelineno-29-33" href = "#__codelineno-29-33" > < / a > < span class = "w" > < / span > < span class = "c1" > // 析构方法< / span >
2023-02-09 22:55:35 +08:00
< a id = "__codelineno-29-34" name = "__codelineno-29-34" href = "#__codelineno-29-34" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > deinit< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > Self< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-29-35" name = "__codelineno-29-35" href = "#__codelineno-29-35" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "w" > < / span > < span class = "o" > !=< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > deinit< / span > < span class = "p" > ();< / span >
2023-02-09 22:55:35 +08:00
< a id = "__codelineno-29-36" name = "__codelineno-29-36" href = "#__codelineno-29-36" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-37" name = "__codelineno-29-37" href = "#__codelineno-29-37" > < / a >
< a id = "__codelineno-29-38" name = "__codelineno-29-38" href = "#__codelineno-29-38" > < / a > < span class = "w" > < / span > < span class = "c1" > // 哈希函数< / span >
< a id = "__codelineno-29-39" name = "__codelineno-29-39" href = "#__codelineno-29-39" > < / a > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > usize< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "kt" > usize< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-40" name = "__codelineno-29-40" href = "#__codelineno-29-40" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / 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" > key< / span > < span class = "w" > < / span > < span class = "o" > %< / span > < span class = "w" > < / span > < span class = "mi" > 100< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-29-41" name = "__codelineno-29-41" href = "#__codelineno-29-41" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > index< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-29-42" name = "__codelineno-29-42" href = "#__codelineno-29-42" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-43" name = "__codelineno-29-43" href = "#__codelineno-29-43" > < / a >
< a id = "__codelineno-29-44" name = "__codelineno-29-44" href = "#__codelineno-29-44" > < / a > < span class = "w" > < / span > < span class = "c1" > // 查询操作< / span >
< a id = "__codelineno-29-45" name = "__codelineno-29-45" href = "#__codelineno-29-45" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > get< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > Self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > usize< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kr" > const< / span > < span class = "w" > < / span > < span class = "kt" > u8< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-46" name = "__codelineno-29-46" href = "#__codelineno-29-46" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-29-47" name = "__codelineno-29-47" href = "#__codelineno-29-47" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > items< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ];< / span >
2023-02-09 22:55:35 +08:00
< a id = "__codelineno-29-48" name = "__codelineno-29-48" href = "#__codelineno-29-48" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-29-49" name = "__codelineno-29-49" href = "#__codelineno-29-49" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-50" name = "__codelineno-29-50" href = "#__codelineno-29-50" > < / a >
< a id = "__codelineno-29-51" name = "__codelineno-29-51" href = "#__codelineno-29-51" > < / a > < span class = "w" > < / span > < span class = "c1" > // 添加操作< / span >
< a id = "__codelineno-29-52" name = "__codelineno-29-52" href = "#__codelineno-29-52" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > put< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > Self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > usize< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "p" > []< / span > < span class = "kr" > const< / span > < span class = "w" > < / span > < span class = "kt" > u8< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-53" name = "__codelineno-29-53" href = "#__codelineno-29-53" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > Entry< / span > < span class = "p" > .< / span > < span class = "n" > init< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-29-54" name = "__codelineno-29-54" href = "#__codelineno-29-54" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-29-55" name = "__codelineno-29-55" href = "#__codelineno-29-55" > < / a > < span class = "w" > < / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > items< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > pair< / span > < span class = "p" > ;< / span >
2023-02-09 22:55:35 +08:00
< a id = "__codelineno-29-56" name = "__codelineno-29-56" href = "#__codelineno-29-56" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-57" name = "__codelineno-29-57" href = "#__codelineno-29-57" > < / a >
< a id = "__codelineno-29-58" name = "__codelineno-29-58" href = "#__codelineno-29-58" > < / a > < span class = "w" > < / span > < span class = "c1" > // 删除操作< / span >
< a id = "__codelineno-29-59" name = "__codelineno-29-59" href = "#__codelineno-29-59" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > remove< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > Self< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > key< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "kt" > usize< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-60" name = "__codelineno-29-60" href = "#__codelineno-29-60" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / 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" > hashFunc< / span > < span class = "p" > (< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-29-61" name = "__codelineno-29-61" href = "#__codelineno-29-61" > < / a > < span class = "w" > < / span > < span class = "c1" > // 置为 null ，代表删除< / span >
2023-03-15 03:13:04 +08:00
< a id = "__codelineno-29-62" name = "__codelineno-29-62" href = "#__codelineno-29-62" > < / a > < span class = "w" > < / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > items< / span > < span class = "p" > [< / span > < span class = "n" > index< / span > < span class = "p" > ]< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > ;< / span >
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< a id = "__codelineno-29-63" name = "__codelineno-29-63" href = "#__codelineno-29-63" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span > < span class = "w" > < / span >
< a id = "__codelineno-29-64" name = "__codelineno-29-64" href = "#__codelineno-29-64" > < / a >
< a id = "__codelineno-29-65" name = "__codelineno-29-65" href = "#__codelineno-29-65" > < / a > < span class = "w" > < / span > < span class = "c1" > // 获取所有键值对< / span >
< a id = "__codelineno-29-66" name = "__codelineno-29-66" href = "#__codelineno-29-66" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > entrySet< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > Self< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > !*< / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > ArrayList< / span > < span class = "p" > (< / span > < span class = "n" > T< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-67" name = "__codelineno-29-67" href = "#__codelineno-29-67" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / span > < span class = "w" > < / span > < span class = "n" > entry_set< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > ArrayList< / span > < span class = "p" > (< / span > < span class = "n" > T< / span > < span class = "p" > ).< / span > < span class = "n" > init< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > mem_allocator< / span > < span class = "p" > );< / span >
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< a id = "__codelineno-29-68" name = "__codelineno-29-68" href = "#__codelineno-29-68" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > items< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "n" > item< / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
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< a id = "__codelineno-29-69" name = "__codelineno-29-69" href = "#__codelineno-29-69" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > item< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "k" > continue< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-29-70" name = "__codelineno-29-70" href = "#__codelineno-29-70" > < / a > < span class = "w" > < / span > < span class = "k" > try< / span > < span class = "w" > < / span > < span class = "n" > entry_set< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > item< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > );< / span >
< a id = "__codelineno-29-71" name = "__codelineno-29-71" href = "#__codelineno-29-71" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-72" name = "__codelineno-29-72" href = "#__codelineno-29-72" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > entry_set< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-29-73" name = "__codelineno-29-73" href = "#__codelineno-29-73" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span > < span class = "w" > < / span >
< a id = "__codelineno-29-74" name = "__codelineno-29-74" href = "#__codelineno-29-74" > < / a >
< a id = "__codelineno-29-75" name = "__codelineno-29-75" href = "#__codelineno-29-75" > < / a > < span class = "w" > < / span > < span class = "c1" > // 获取所有键< / span >
< a id = "__codelineno-29-76" name = "__codelineno-29-76" href = "#__codelineno-29-76" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > keySet< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > Self< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > !*< / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > ArrayList< / span > < span class = "p" > (< / span > < span class = "kt" > usize< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-77" name = "__codelineno-29-77" href = "#__codelineno-29-77" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / span > < span class = "w" > < / span > < span class = "n" > key_set< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > ArrayList< / span > < span class = "p" > (< / span > < span class = "kt" > usize< / span > < span class = "p" > ).< / span > < span class = "n" > init< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > mem_allocator< / span > < span class = "p" > );< / span >
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< a id = "__codelineno-29-78" name = "__codelineno-29-78" href = "#__codelineno-29-78" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > items< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "n" > item< / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
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< a id = "__codelineno-29-79" name = "__codelineno-29-79" href = "#__codelineno-29-79" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > item< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "k" > continue< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-29-80" name = "__codelineno-29-80" href = "#__codelineno-29-80" > < / a > < span class = "w" > < / span > < span class = "k" > try< / span > < span class = "w" > < / span > < span class = "n" > key_set< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > item< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "p" > );< / span >
< a id = "__codelineno-29-81" name = "__codelineno-29-81" href = "#__codelineno-29-81" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-82" name = "__codelineno-29-82" href = "#__codelineno-29-82" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > key_set< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-29-83" name = "__codelineno-29-83" href = "#__codelineno-29-83" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span > < span class = "w" > < / span >
< a id = "__codelineno-29-84" name = "__codelineno-29-84" href = "#__codelineno-29-84" > < / a >
< a id = "__codelineno-29-85" name = "__codelineno-29-85" href = "#__codelineno-29-85" > < / a > < span class = "w" > < / span > < span class = "c1" > // 获取所有值< / span >
< a id = "__codelineno-29-86" name = "__codelineno-29-86" href = "#__codelineno-29-86" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > valueSet< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > Self< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > !*< / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > ArrayList< / span > < span class = "p" > ([]< / span > < span class = "kr" > const< / span > < span class = "w" > < / span > < span class = "kt" > u8< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-87" name = "__codelineno-29-87" href = "#__codelineno-29-87" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / span > < span class = "w" > < / span > < span class = "n" > value_set< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > ArrayList< / span > < span class = "p" > ([]< / span > < span class = "kr" > const< / span > < span class = "w" > < / span > < span class = "kt" > u8< / span > < span class = "p" > ).< / span > < span class = "n" > init< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > mem_allocator< / span > < span class = "p" > );< / span >
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< a id = "__codelineno-29-88" name = "__codelineno-29-88" href = "#__codelineno-29-88" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > buckets< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > items< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "n" > item< / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
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< a id = "__codelineno-29-89" name = "__codelineno-29-89" href = "#__codelineno-29-89" > < / a > < span class = "w" > < / span > < span class = "k" > if< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > item< / span > < span class = "w" > < / span > < span class = "o" > ==< / span > < span class = "w" > < / span > < span class = "kc" > null< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "k" > continue< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-29-90" name = "__codelineno-29-90" href = "#__codelineno-29-90" > < / a > < span class = "w" > < / span > < span class = "k" > try< / span > < span class = "w" > < / span > < span class = "n" > value_set< / span > < span class = "p" > .< / span > < span class = "n" > append< / span > < span class = "p" > (< / span > < span class = "n" > item< / span > < span class = "p" > .< / span > < span class = "o" > ?< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > );< / span >
< a id = "__codelineno-29-91" name = "__codelineno-29-91" href = "#__codelineno-29-91" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-92" name = "__codelineno-29-92" href = "#__codelineno-29-92" > < / a > < span class = "w" > < / span > < span class = "k" > return< / span > < span class = "w" > < / span > < span class = "o" > & < / span > < span class = "n" > value_set< / span > < span class = "p" > ;< / span >
< a id = "__codelineno-29-93" name = "__codelineno-29-93" href = "#__codelineno-29-93" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-94" name = "__codelineno-29-94" href = "#__codelineno-29-94" > < / a >
< a id = "__codelineno-29-95" name = "__codelineno-29-95" href = "#__codelineno-29-95" > < / a > < span class = "w" > < / span > < span class = "c1" > // 打印哈希表< / span >
< a id = "__codelineno-29-96" name = "__codelineno-29-96" href = "#__codelineno-29-96" > < / a > < span class = "w" > < / span > < span class = "kr" > pub< / span > < span class = "w" > < / span > < span class = "k" > fn< / span > < span class = "w" > < / span > < span class = "n" > print< / span > < span class = "p" > (< / span > < span class = "n" > self< / span > < span class = "o" > :< / span > < span class = "w" > < / span > < span class = "o" > *< / span > < span class = "n" > Self< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > !< / span > < span class = "kt" > void< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-97" name = "__codelineno-29-97" href = "#__codelineno-29-97" > < / a > < span class = "w" > < / span > < span class = "kr" > var< / span > < span class = "w" > < / span > < span class = "n" > entry_set< / span > < span class = "w" > < / span > < span class = "o" > =< / span > < span class = "w" > < / span > < span class = "k" > try< / span > < span class = "w" > < / span > < span class = "n" > self< / span > < span class = "p" > .< / span > < span class = "n" > entrySet< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-29-98" name = "__codelineno-29-98" href = "#__codelineno-29-98" > < / a > < span class = "w" > < / span > < span class = "k" > defer< / span > < span class = "w" > < / span > < span class = "n" > entry_set< / span > < span class = "p" > .< / span > < span class = "n" > deinit< / span > < span class = "p" > ();< / span >
< a id = "__codelineno-29-99" name = "__codelineno-29-99" href = "#__codelineno-29-99" > < / a > < span class = "w" > < / span > < span class = "k" > for< / span > < span class = "w" > < / span > < span class = "p" > (< / span > < span class = "n" > entry_set< / span > < span class = "p" > .< / span > < span class = "n" > items< / span > < span class = "p" > )< / span > < span class = "w" > < / span > < span class = "o" > |< / span > < span class = "n" > item< / span > < span class = "o" > |< / span > < span class = "w" > < / span > < span class = "p" > {< / span >
< a id = "__codelineno-29-100" name = "__codelineno-29-100" href = "#__codelineno-29-100" > < / a > < span class = "w" > < / span > < span class = "n" > std< / span > < span class = "p" > .< / span > < span class = "n" > debug< / span > < span class = "p" > .< / span > < span class = "n" > print< / span > < span class = "p" > (< / span > < span class = "s" > " {} -> {s}< / span > < span class = "se" > \n< / span > < span class = "s" > " < / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "p" > .{< / span > < span class = "n" > item< / span > < span class = "p" > .< / span > < span class = "n" > key< / span > < span class = "p" > ,< / span > < span class = "w" > < / span > < span class = "n" > item< / span > < span class = "p" > .< / span > < span class = "n" > val< / span > < span class = "p" > });< / span >
< a id = "__codelineno-29-101" name = "__codelineno-29-101" href = "#__codelineno-29-101" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-102" name = "__codelineno-29-102" href = "#__codelineno-29-102" > < / a > < span class = "w" > < / span > < span class = "p" > }< / span >
< a id = "__codelineno-29-103" name = "__codelineno-29-103" href = "#__codelineno-29-103" > < / a > < span class = "w" > < / span > < span class = "p" > };< / span >
< a id = "__codelineno-29-104" name = "__codelineno-29-104" href = "#__codelineno-29-104" > < / a > < span class = "p" > }< / span >
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< / code > < / pre > < / div >
< / div >
< / div >
< / div >
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< h2 id = "713" > 7.1.3. 哈希冲突< a class = "headerlink" href = "#713" title = "Permanent link" > ¶ < / a > < / h2 >
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< p > 细心的你可能已经注意到，< strong > 在某些情况下，哈希函数 < span class = "arithmatex" > \(f(x) = x % 100\)< / span > 可能无法正常工作< / strong > 。具体来说，当输入的 key 后两位相同时，哈希函数的计算结果也会相同，从而指向同一个 value 。例如，查询学号为 < span class = "arithmatex" > \(12836\)< / span > 和 < span class = "arithmatex" > \(20336\)< / span > 的两个学生时，我们得到：< / p >
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< div class = "arithmatex" > \[
f(12836) = f(20336) = 36
\]< / div >
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< p > 这两个学号指向了同一个姓名，这显然是错误的。我们把这种情况称为「哈希冲突 Hash Collision」。在后续章节中， < / p >
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< p > < img alt = "哈希冲突示例" src = "../hash_map.assets/hash_collision.png" / > < / p >
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< p align = "center" > Fig. 哈希冲突示例 < / p >
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< p > 综上所述，一个优秀的哈希函数应具备以下特性：< / p >
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< ul >
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< li > 尽可能减少哈希冲突的发生；< / li >
< li > 查询效率高且稳定，能够在绝大多数情况下达到 < span class = "arithmatex" > \(O(1)\)< / span > 时间复杂度；< / li >
< li > 较高的空间利用率，即使“键值对占用空间 / 哈希表总占用空间”比例最大化；< / li >
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