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第 0 章 前言
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0.2 如何使用本書
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0.3 小結
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第 1 章 初識演算法
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1.2 演算法是什麼
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第 2 章 複雜度分析
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2.1 演算法效率評估
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|
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|
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</a>
|
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</li>
|
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2.2 迭代與遞迴
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|
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</a>
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2.3 時間複雜度
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2.4 空間複雜度
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|
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</a>
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</li>
|
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2.5 小結
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|
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M11 13.5v8H3v-8h8m-2 2H5v4h4v-4M12 2l5.5 9h-11L12 2m0 3.86L10.08 9h3.84L12 5.86M17.5 13c2.5 0 4.5 2 4.5 4.5S20 22 17.5 22 13 20 13 17.5s2-4.5 4.5-4.5m0 2a2.5 2.5 0 0 0-2.5 2.5 2.5 2.5 0 0 0 2.5 2.5 2.5 2.5 0 0 0 2.5-2.5 2.5 2.5 0 0 0-2.5-2.5Z"/></svg>
|
||
|
||
<span class="md-ellipsis">
|
||
第 3 章 資料結構
|
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</span>
|
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|
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|
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</a>
|
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|
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<label class="md-nav__link " for="__nav_5" id="__nav_5_label" tabindex="0">
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<span class="md-nav__icon md-icon"></span>
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</div>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_5">
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<span class="md-nav__icon md-icon"></span>
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第 3 章 資料結構
|
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../../chapter_data_structure/classification_of_data_structure/" class="md-nav__link">
|
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|
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|
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<span class="md-ellipsis">
|
||
3.1 資料結構分類
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
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|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_data_structure/basic_data_types/" class="md-nav__link">
|
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|
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|
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<span class="md-ellipsis">
|
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3.2 基本資料型別
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_data_structure/number_encoding/" class="md-nav__link">
|
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|
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<span class="md-ellipsis">
|
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3.3 數字編碼 *
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_data_structure/character_encoding/" class="md-nav__link">
|
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|
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<span class="md-ellipsis">
|
||
3.4 字元編碼 *
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
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|
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|
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|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_data_structure/summary/" class="md-nav__link">
|
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|
||
|
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<span class="md-ellipsis">
|
||
3.5 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
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|
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</ul>
|
||
</nav>
|
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|
||
</li>
|
||
|
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|
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|
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|
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||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
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<div class="md-nav__link md-nav__container">
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<a href="../../chapter_array_and_linkedlist/" class="md-nav__link ">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M3 5v14h17V5H3m4 2v2H5V7h2m-2 6v-2h2v2H5m0 2h2v2H5v-2m13 2H9v-2h9v2m0-4H9v-2h9v2m0-4H9V7h9v2Z"/></svg>
|
||
|
||
<span class="md-ellipsis">
|
||
第 4 章 陣列與鏈結串列
|
||
</span>
|
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|
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|
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</a>
|
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|
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|
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<label class="md-nav__link " for="__nav_6" id="__nav_6_label" tabindex="0">
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<span class="md-nav__icon md-icon"></span>
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</div>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_6">
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<span class="md-nav__icon md-icon"></span>
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第 4 章 陣列與鏈結串列
|
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../../chapter_array_and_linkedlist/array/" class="md-nav__link">
|
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|
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|
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<span class="md-ellipsis">
|
||
4.1 陣列
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_array_and_linkedlist/linked_list/" class="md-nav__link">
|
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|
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|
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<span class="md-ellipsis">
|
||
4.2 鏈結串列
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
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|
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|
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|
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|
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|
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|
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|
||
<li class="md-nav__item">
|
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<a href="../../chapter_array_and_linkedlist/list/" class="md-nav__link">
|
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|
||
|
||
<span class="md-ellipsis">
|
||
4.3 串列
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
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|
||
|
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|
||
|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_array_and_linkedlist/ram_and_cache/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
4.4 記憶體與快取 *
|
||
</span>
|
||
|
||
|
||
|
||
|
||
<span class="md-status md-status--new" title="最近新增">
|
||
</span>
|
||
|
||
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
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|
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|
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|
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|
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|
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|
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|
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|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_array_and_linkedlist/summary/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
4.5 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
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|
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|
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</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
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|
||
|
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|
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|
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|
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||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
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<div class="md-nav__link md-nav__container">
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<a href="../../chapter_stack_and_queue/" class="md-nav__link ">
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|
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|
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17.36 20.2v-5.38h1.79V22H3v-7.18h1.8v5.38h12.56M6.77 14.32l.37-1.76 8.79 1.85-.37 1.76-8.79-1.85m1.16-4.21.76-1.61 8.14 3.78-.76 1.62-8.14-3.79m2.26-3.99 1.15-1.38 6.9 5.76-1.15 1.37-6.9-5.75m4.45-4.25L20 9.08l-1.44 1.07-5.36-7.21 1.44-1.07M6.59 18.41v-1.8h8.98v1.8H6.59Z"/></svg>
|
||
|
||
<span class="md-ellipsis">
|
||
第 5 章 堆疊與佇列
|
||
</span>
|
||
|
||
|
||
</a>
|
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|
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|
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<label class="md-nav__link " for="__nav_7" id="__nav_7_label" tabindex="0">
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<span class="md-nav__icon md-icon"></span>
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</div>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_7">
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<span class="md-nav__icon md-icon"></span>
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第 5 章 堆疊與佇列
|
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../../chapter_stack_and_queue/stack/" class="md-nav__link">
|
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|
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|
||
<span class="md-ellipsis">
|
||
5.1 堆疊
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
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|
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|
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|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_stack_and_queue/queue/" class="md-nav__link">
|
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|
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|
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<span class="md-ellipsis">
|
||
5.2 佇列
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
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|
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|
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|
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|
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|
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|
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|
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|
||
<li class="md-nav__item">
|
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<a href="../../chapter_stack_and_queue/deque/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
5.3 雙向佇列
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
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|
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|
||
|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_stack_and_queue/summary/" class="md-nav__link">
|
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|
||
|
||
<span class="md-ellipsis">
|
||
5.4 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
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|
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|
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</ul>
|
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</nav>
|
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|
||
</li>
|
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|
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|
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|
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|
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|
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|
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|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
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<li class="md-nav__item md-nav__item--active md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" checked>
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<div class="md-nav__link md-nav__container">
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<a href="../" class="md-nav__link ">
|
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|
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|
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19.3 17.89c1.32-2.1.7-4.89-1.41-6.21a4.52 4.52 0 0 0-6.21 1.41C10.36 15.2 11 18 13.09 19.3c1.47.92 3.33.92 4.8 0L21 22.39 22.39 21l-3.09-3.11m-2-.62c-.98.98-2.56.97-3.54 0-.97-.98-.97-2.56.01-3.54.97-.97 2.55-.97 3.53 0 .96.99.95 2.57-.03 3.54h.03M19 4H5a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h5.81a6.3 6.3 0 0 1-1.31-2H5v-4h4.18c.16-.71.43-1.39.82-2H5V8h6v2.81a6.3 6.3 0 0 1 2-1.31V8h6v2a6.499 6.499 0 0 1 2 2V6a2 2 0 0 0-2-2Z"/></svg>
|
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|
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<span class="md-ellipsis">
|
||
第 6 章 雜湊表
|
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|
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</a>
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|
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|
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<label class="md-nav__link " for="__nav_8" id="__nav_8_label" tabindex="0">
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
|
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<span class="md-nav__icon md-icon"></span>
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第 6 章 雜湊表
|
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
|
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<label class="md-nav__link md-nav__link--active" for="__toc">
|
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|
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|
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<span class="md-ellipsis">
|
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6.1 雜湊表
|
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</span>
|
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|
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|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
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<a href="./" class="md-nav__link md-nav__link--active">
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|
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|
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<span class="md-ellipsis">
|
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6.1 雜湊表
|
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</span>
|
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|
||
|
||
</a>
|
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|
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|
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|
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<nav class="md-nav md-nav--secondary" aria-label="目錄">
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<label class="md-nav__title" for="__toc">
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<span class="md-nav__icon md-icon"></span>
|
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目錄
|
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</label>
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<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
|
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|
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<li class="md-nav__item">
|
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<a href="#611" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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6.1.1 雜湊表常用操作
|
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</span>
|
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</a>
|
||
|
||
</li>
|
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|
||
<li class="md-nav__item">
|
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<a href="#612" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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6.1.2 雜湊表簡單實現
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
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|
||
<li class="md-nav__item">
|
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<a href="#613" class="md-nav__link">
|
||
<span class="md-ellipsis">
|
||
6.1.3 雜湊衝突與擴容
|
||
</span>
|
||
</a>
|
||
|
||
</li>
|
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|
||
</ul>
|
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|
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</nav>
|
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|
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</li>
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../hash_collision/" class="md-nav__link">
|
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|
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|
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<span class="md-ellipsis">
|
||
6.2 雜湊衝突
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../hash_algorithm/" class="md-nav__link">
|
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|
||
|
||
<span class="md-ellipsis">
|
||
6.3 雜湊演算法
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
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|
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|
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|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../summary/" class="md-nav__link">
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|
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|
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<span class="md-ellipsis">
|
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6.4 小結
|
||
</span>
|
||
|
||
|
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</a>
|
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</li>
|
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|
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|
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|
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</ul>
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</nav>
|
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</li>
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
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|
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|
||
|
||
|
||
|
||
|
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|
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|
||
<li class="md-nav__item md-nav__item--nested">
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|
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|
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|
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|
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
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|
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|
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|
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<div class="md-nav__link md-nav__container">
|
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<a href="../../chapter_tree/" class="md-nav__link ">
|
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|
||
|
||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19.5 17c-.14 0-.26 0-.39.04L17.5 13.8c.45-.45.75-1.09.75-1.8a2.5 2.5 0 0 0-2.5-2.5c-.14 0-.25 0-.4.04L13.74 6.3c.47-.46.76-1.09.76-1.8a2.5 2.5 0 0 0-5 0c0 .7.29 1.34.76 1.79L8.65 9.54c-.15-.04-.26-.04-.4-.04a2.5 2.5 0 0 0-2.5 2.5c0 .71.29 1.34.75 1.79l-1.61 3.25C4.76 17 4.64 17 4.5 17a2.5 2.5 0 0 0 0 5A2.5 2.5 0 0 0 7 19.5c0-.7-.29-1.34-.76-1.79l1.62-3.25c.14.04.26.04.39.04s.25 0 .38-.04l1.63 3.25c-.47.45-.76 1.09-.76 1.79a2.5 2.5 0 0 0 5 0A2.5 2.5 0 0 0 12 17c-.13 0-.26 0-.39.04L10 13.8c.45-.45.75-1.09.75-1.8 0-.7-.29-1.33-.75-1.79l1.61-3.25c.13.04.26.04.39.04s.26 0 .39-.04L14 10.21a2.5 2.5 0 0 0 1.75 4.29c.13 0 .25 0 .38-.04l1.63 3.25c-.47.45-.76 1.09-.76 1.79a2.5 2.5 0 0 0 5 0 2.5 2.5 0 0 0-2.5-2.5m-15 3.5c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1m8.5-1c0 .55-.45 1-1 1s-1-.45-1-1 .45-1 1-1 1 .45 1 1M7.25 12c0-.55.45-1 1-1s1 .45 1 1-.45 1-1 1-1-.45-1-1M11 4.5c0-.55.45-1 1-1s1 .45 1 1-.45 1-1 1-1-.45-1-1m3.75 7.5c0-.55.45-1 1-1s1 .45 1 1-.45 1-1 1-1-.45-1-1m4.75 8.5c-.55 0-1-.45-1-1s.45-1 1-1 1 .45 1 1-.45 1-1 1Z"/></svg>
|
||
|
||
<span class="md-ellipsis">
|
||
第 7 章 樹
|
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</span>
|
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|
||
|
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</a>
|
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|
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|
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<label class="md-nav__link " for="__nav_9" id="__nav_9_label" tabindex="0">
|
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<span class="md-nav__icon md-icon"></span>
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</label>
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|
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</div>
|
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|
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_9">
|
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<span class="md-nav__icon md-icon"></span>
|
||
第 7 章 樹
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
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|
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|
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|
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|
||
|
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|
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|
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|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_tree/binary_tree/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
7.1 二元樹
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_tree/binary_tree_traversal/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
7.2 二元樹走訪
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_tree/array_representation_of_tree/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
7.3 二元樹陣列表示
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_tree/binary_search_tree/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
7.4 二元搜尋樹
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_tree/avl_tree/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
7.5 AVL *
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_tree/summary/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
7.6 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
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|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
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|
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|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../chapter_heap/" class="md-nav__link ">
|
||
|
||
|
||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 1a2.5 2.5 0 0 0-2.5 2.5A2.5 2.5 0 0 0 11 5.79V7H7a2 2 0 0 0-2 2v.71A2.5 2.5 0 0 0 3.5 12 2.5 2.5 0 0 0 5 14.29V15H4a2 2 0 0 0-2 2v1.21A2.5 2.5 0 0 0 .5 20.5 2.5 2.5 0 0 0 3 23a2.5 2.5 0 0 0 2.5-2.5A2.5 2.5 0 0 0 4 18.21V17h4v1.21a2.5 2.5 0 0 0-1.5 2.29A2.5 2.5 0 0 0 9 23a2.5 2.5 0 0 0 2.5-2.5 2.5 2.5 0 0 0-1.5-2.29V17a2 2 0 0 0-2-2H7v-.71A2.5 2.5 0 0 0 8.5 12 2.5 2.5 0 0 0 7 9.71V9h10v.71A2.5 2.5 0 0 0 15.5 12a2.5 2.5 0 0 0 1.5 2.29V15h-1a2 2 0 0 0-2 2v1.21a2.5 2.5 0 0 0-1.5 2.29A2.5 2.5 0 0 0 15 23a2.5 2.5 0 0 0 2.5-2.5 2.5 2.5 0 0 0-1.5-2.29V17h4v1.21a2.5 2.5 0 0 0-1.5 2.29A2.5 2.5 0 0 0 21 23a2.5 2.5 0 0 0 2.5-2.5 2.5 2.5 0 0 0-1.5-2.29V17a2 2 0 0 0-2-2h-1v-.71A2.5 2.5 0 0 0 20.5 12 2.5 2.5 0 0 0 19 9.71V9a2 2 0 0 0-2-2h-4V5.79a2.5 2.5 0 0 0 1.5-2.29A2.5 2.5 0 0 0 12 1m0 1.5a1 1 0 0 1 1 1 1 1 0 0 1-1 1 1 1 0 0 1-1-1 1 1 0 0 1 1-1M6 11a1 1 0 0 1 1 1 1 1 0 0 1-1 1 1 1 0 0 1-1-1 1 1 0 0 1 1-1m12 0a1 1 0 0 1 1 1 1 1 0 0 1-1 1 1 1 0 0 1-1-1 1 1 0 0 1 1-1M3 19.5a1 1 0 0 1 1 1 1 1 0 0 1-1 1 1 1 0 0 1-1-1 1 1 0 0 1 1-1m6 0a1 1 0 0 1 1 1 1 1 0 0 1-1 1 1 1 0 0 1-1-1 1 1 0 0 1 1-1m6 0a1 1 0 0 1 1 1 1 1 0 0 1-1 1 1 1 0 0 1-1-1 1 1 0 0 1 1-1m6 0a1 1 0 0 1 1 1 1 1 0 0 1-1 1 1 1 0 0 1-1-1 1 1 0 0 1 1-1Z"/></svg>
|
||
|
||
<span class="md-ellipsis">
|
||
第 8 章 堆積
|
||
</span>
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_10" id="__nav_10_label" tabindex="0">
|
||
<span class="md-nav__icon md-icon"></span>
|
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</label>
|
||
|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_10">
|
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<span class="md-nav__icon md-icon"></span>
|
||
第 8 章 堆積
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
||
|
||
|
||
|
||
|
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|
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|
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|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_heap/heap/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
8.1 堆積
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_heap/build_heap/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
8.2 建堆積操作
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_heap/top_k/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
8.3 Top-k 問題
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_heap/summary/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
8.4 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--nested">
|
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|
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|
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|
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_11" >
|
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|
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|
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|
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<div class="md-nav__link md-nav__container">
|
||
<a href="../../chapter_graph/" class="md-nav__link ">
|
||
|
||
|
||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="m12 5.37-.44-.06L6 14.9c.24.21.4.48.47.78h11.06c.07-.3.23-.57.47-.78l-5.56-9.59-.44.06M6.6 16.53l4.28 2.53c.29-.27.69-.43 1.12-.43.43 0 .83.16 1.12.43l4.28-2.53H6.6M12 22a1.68 1.68 0 0 1-1.68-1.68l.09-.56-4.3-2.55c-.31.36-.76.58-1.27.58a1.68 1.68 0 0 1-1.68-1.68c0-.79.53-1.45 1.26-1.64V9.36c-.83-.11-1.47-.82-1.47-1.68A1.68 1.68 0 0 1 4.63 6c.55 0 1.03.26 1.34.66l4.41-2.53-.06-.45c0-.93.75-1.68 1.68-1.68.93 0 1.68.75 1.68 1.68l-.06.45 4.41 2.53c.31-.4.79-.66 1.34-.66a1.68 1.68 0 0 1 1.68 1.68c0 .86-.64 1.57-1.47 1.68v5.11c.73.19 1.26.85 1.26 1.64a1.68 1.68 0 0 1-1.68 1.68c-.51 0-.96-.22-1.27-.58l-4.3 2.55.09.56A1.68 1.68 0 0 1 12 22M10.8 4.86 6.3 7.44l.02.24c0 .71-.44 1.32-1.06 1.57l.03 5.25 5.51-9.64m2.4 0 5.51 9.64.03-5.25c-.62-.25-1.06-.86-1.06-1.57l.02-.24-4.5-2.58Z"/></svg>
|
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|
||
<span class="md-ellipsis">
|
||
第 9 章 圖
|
||
</span>
|
||
|
||
|
||
</a>
|
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|
||
|
||
<label class="md-nav__link " for="__nav_11" id="__nav_11_label" tabindex="0">
|
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<span class="md-nav__icon md-icon"></span>
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</label>
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|
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</div>
|
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|
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_11_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_11">
|
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<span class="md-nav__icon md-icon"></span>
|
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第 9 章 圖
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_graph/graph/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
9.1 圖
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
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|
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|
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|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_graph/graph_operations/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
9.2 圖基礎操作
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_graph/graph_traversal/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
9.3 圖的走訪
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_graph/summary/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
9.4 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
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|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--nested">
|
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|
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|
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|
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|
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_12" >
|
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|
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|
||
|
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<div class="md-nav__link md-nav__container">
|
||
<a href="../../chapter_searching/" class="md-nav__link ">
|
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|
||
|
||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="m19.31 18.9 3.08 3.1L21 23.39l-3.12-3.07c-.69.43-1.51.68-2.38.68-2.5 0-4.5-2-4.5-4.5s2-4.5 4.5-4.5 4.5 2 4.5 4.5c0 .88-.25 1.71-.69 2.4m-3.81.1a2.5 2.5 0 0 0 0-5 2.5 2.5 0 0 0 0 5M21 4v2H3V4h18M3 16v-2h6v2H3m0-5V9h18v2h-2.03c-1.01-.63-2.2-1-3.47-1s-2.46.37-3.47 1H3Z"/></svg>
|
||
|
||
<span class="md-ellipsis">
|
||
第 10 章 搜尋
|
||
</span>
|
||
|
||
|
||
</a>
|
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|
||
|
||
<label class="md-nav__link " for="__nav_12" id="__nav_12_label" tabindex="0">
|
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<span class="md-nav__icon md-icon"></span>
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</label>
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</div>
|
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|
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_12_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_12">
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<span class="md-nav__icon md-icon"></span>
|
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第 10 章 搜尋
|
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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|
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|
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|
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|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_searching/binary_search/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
10.1 二分搜尋
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
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|
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|
||
|
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|
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|
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|
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|
||
<li class="md-nav__item">
|
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<a href="../../chapter_searching/binary_search_insertion/" class="md-nav__link">
|
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|
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|
||
<span class="md-ellipsis">
|
||
10.2 二分搜尋插入點
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_searching/binary_search_edge/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
10.3 二分搜尋邊界
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_searching/replace_linear_by_hashing/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
10.4 雜湊最佳化策略
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_searching/searching_algorithm_revisited/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
10.5 重識搜尋演算法
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_searching/summary/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
10.6 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--nested">
|
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|
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|
||
|
||
|
||
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_13" >
|
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|
||
|
||
|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../chapter_sorting/" class="md-nav__link ">
|
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|
||
|
||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 17h3l-4 4-4-4h3V3h2M2 17h10v2H2M6 5v2H2V5m0 6h7v2H2v-2Z"/></svg>
|
||
|
||
<span class="md-ellipsis">
|
||
第 11 章 排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_13" id="__nav_13_label" tabindex="0">
|
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<span class="md-nav__icon md-icon"></span>
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</label>
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|
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</div>
|
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|
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_13_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_13">
|
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<span class="md-nav__icon md-icon"></span>
|
||
第 11 章 排序
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
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|
||
|
||
|
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|
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|
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|
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|
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|
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|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/sorting_algorithm/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.1 排序演算法
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/selection_sort/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.2 選擇排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/bubble_sort/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.3 泡沫排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/insertion_sort/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.4 插入排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/quick_sort/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.5 快速排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/merge_sort/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.6 合併排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/heap_sort/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.7 堆積排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/bucket_sort/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.8 桶排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/counting_sort/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.9 計數排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/radix_sort/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.10 基數排序
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_sorting/summary/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
11.11 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--nested">
|
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|
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|
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|
||
|
||
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_14" >
|
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|
||
|
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|
||
<div class="md-nav__link md-nav__container">
|
||
<a href="../../chapter_divide_and_conquer/" class="md-nav__link ">
|
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|
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|
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 7v2h5V7h-5M2 9v6h5V9H2m10 0v2H9v2h3v2l3-3-3-3m5 2v2h5v-2h-5m0 4v2h5v-2h-5Z"/></svg>
|
||
|
||
<span class="md-ellipsis">
|
||
第 12 章 分治
|
||
</span>
|
||
|
||
|
||
</a>
|
||
|
||
|
||
<label class="md-nav__link " for="__nav_14" id="__nav_14_label" tabindex="0">
|
||
<span class="md-nav__icon md-icon"></span>
|
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</label>
|
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|
||
</div>
|
||
|
||
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_14_label" aria-expanded="false">
|
||
<label class="md-nav__title" for="__nav_14">
|
||
<span class="md-nav__icon md-icon"></span>
|
||
第 12 章 分治
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
||
|
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|
||
|
||
|
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|
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|
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|
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|
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|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_divide_and_conquer/divide_and_conquer/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
12.1 分治演算法
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
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|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_divide_and_conquer/binary_search_recur/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
12.2 分治搜尋策略
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_divide_and_conquer/build_binary_tree_problem/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
12.3 構建樹問題
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_divide_and_conquer/hanota_problem/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
12.4 河內塔問題
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_divide_and_conquer/summary/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
12.5 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
</ul>
|
||
</nav>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item md-nav__item--nested">
|
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|
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|
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|
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|
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_15" >
|
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|
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|
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|
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<div class="md-nav__link md-nav__container">
|
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<a href="../../chapter_backtracking/" class="md-nav__link ">
|
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|
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|
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M18 15a3 3 0 0 1 3 3 3 3 0 0 1-3 3 2.99 2.99 0 0 1-2.83-2H14v-2h1.17c.41-1.17 1.52-2 2.83-2m0 2a1 1 0 0 0-1 1 1 1 0 0 0 1 1 1 1 0 0 0 1-1 1 1 0 0 0-1-1m0-9a1.43 1.43 0 0 0 1.43-1.43 1.43 1.43 0 1 0-2.86 0A1.43 1.43 0 0 0 18 8m0-5.43a4 4 0 0 1 4 4C22 9.56 18 14 18 14s-4-4.44-4-7.43a4 4 0 0 1 4-4M8.83 17H10v2H8.83A2.99 2.99 0 0 1 6 21a3 3 0 0 1-3-3c0-1.31.83-2.42 2-2.83V14h2v1.17c.85.3 1.53.98 1.83 1.83M6 17a1 1 0 0 0-1 1 1 1 0 0 0 1 1 1 1 0 0 0 1-1 1 1 0 0 0-1-1M6 3a3 3 0 0 1 3 3c0 1.31-.83 2.42-2 2.83V10H5V8.83A2.99 2.99 0 0 1 3 6a3 3 0 0 1 3-3m0 2a1 1 0 0 0-1 1 1 1 0 0 0 1 1 1 1 0 0 0 1-1 1 1 0 0 0-1-1m5 14v-2h2v2h-2m-4-6H5v-2h2v2Z"/></svg>
|
||
|
||
<span class="md-ellipsis">
|
||
第 13 章 回溯
|
||
</span>
|
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|
||
|
||
</a>
|
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|
||
|
||
<label class="md-nav__link " for="__nav_15" id="__nav_15_label" tabindex="0">
|
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<span class="md-nav__icon md-icon"></span>
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</label>
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|
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</div>
|
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|
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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>
|
||
第 13 章 回溯
|
||
</label>
|
||
<ul class="md-nav__list" data-md-scrollfix>
|
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|
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|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_backtracking/backtracking_algorithm/" class="md-nav__link">
|
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|
||
|
||
<span class="md-ellipsis">
|
||
13.1 回溯演算法
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
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|
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|
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|
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|
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|
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|
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|
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<li class="md-nav__item">
|
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<a href="../../chapter_backtracking/permutations_problem/" class="md-nav__link">
|
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|
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|
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<span class="md-ellipsis">
|
||
13.2 全排列問題
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
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|
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|
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|
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|
||
<li class="md-nav__item">
|
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<a href="../../chapter_backtracking/subset_sum_problem/" class="md-nav__link">
|
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|
||
|
||
<span class="md-ellipsis">
|
||
13.3 子集和問題
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
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|
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|
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|
||
<li class="md-nav__item">
|
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<a href="../../chapter_backtracking/n_queens_problem/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
13.4 N 皇后問題
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<li class="md-nav__item">
|
||
<a href="../../chapter_backtracking/summary/" class="md-nav__link">
|
||
|
||
|
||
<span class="md-ellipsis">
|
||
13.5 小結
|
||
</span>
|
||
|
||
|
||
</a>
|
||
</li>
|
||
|
||
|
||
|
||
|
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</ul>
|
||
</nav>
|
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|
||
</li>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
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||
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|
||
<h1 id="61">6.1 雜湊表<a class="headerlink" href="#61" title="Permanent link">¶</a></h1>
|
||
<p><u>雜湊表（hash table）</u>，又稱<u>散列表</u>，它透過建立鍵 <code>key</code> 與值 <code>value</code> 之間的對映，實現高效的元素查詢。具體而言，我們向雜湊表中輸入一個鍵 <code>key</code> ，則可以在 <span class="arithmatex">\(O(1)\)</span> 時間內獲取對應的值 <code>value</code> 。</p>
|
||
<p>如圖 6-1 所示，給定 <span class="arithmatex">\(n\)</span> 個學生，每個學生都有“姓名”和“學號”兩項資料。假如我們希望實現“輸入一個學號，返回對應的姓名”的查詢功能，則可以採用圖 6-1 所示的雜湊表來實現。</p>
|
||
<p><a class="glightbox" href="../hash_map.assets/hash_table_lookup.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="雜湊表的抽象表示" class="animation-figure" src="../hash_map.assets/hash_table_lookup.png" /></a></p>
|
||
<p align="center"> 圖 6-1 雜湊表的抽象表示 </p>
|
||
|
||
<p>除雜湊表外，陣列和鏈結串列也可以實現查詢功能，它們的效率對比如表 6-1 所示。</p>
|
||
<ul>
|
||
<li><strong>新增元素</strong>：僅需將元素新增至陣列（鏈結串列）的尾部即可，使用 <span class="arithmatex">\(O(1)\)</span> 時間。</li>
|
||
<li><strong>查詢元素</strong>：由於陣列（鏈結串列）是亂序的，因此需要走訪其中的所有元素，使用 <span class="arithmatex">\(O(n)\)</span> 時間。</li>
|
||
<li><strong>刪除元素</strong>：需要先查詢到元素，再從陣列（鏈結串列）中刪除，使用 <span class="arithmatex">\(O(n)\)</span> 時間。</li>
|
||
</ul>
|
||
<p align="center"> 表 6-1 元素查詢效率對比 </p>
|
||
|
||
<div class="center-table">
|
||
<table>
|
||
<thead>
|
||
<tr>
|
||
<th></th>
|
||
<th>陣列</th>
|
||
<th>鏈結串列</th>
|
||
<th>雜湊表</th>
|
||
</tr>
|
||
</thead>
|
||
<tbody>
|
||
<tr>
|
||
<td>查詢元素</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>新增元素</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>刪除元素</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>
|
||
<p>觀察發現，<strong>在雜湊表中進行增刪查改的時間複雜度都是 <span class="arithmatex">\(O(1)\)</span></strong> ，非常高效。</p>
|
||
<h2 id="611">6.1.1 雜湊表常用操作<a class="headerlink" href="#611" title="Permanent link">¶</a></h2>
|
||
<p>雜湊表的常見操作包括：初始化、查詢操作、新增鍵值對和刪除鍵值對等，示例程式碼如下：</p>
|
||
<div class="tabbed-set tabbed-alternate" data-tabs="1:14"><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" /><input id="__tabbed_1_11" name="__tabbed_1" type="radio" /><input id="__tabbed_1_12" name="__tabbed_1" type="radio" /><input id="__tabbed_1_13" name="__tabbed_1" type="radio" /><input id="__tabbed_1_14" name="__tabbed_1" type="radio" /><div class="tabbed-labels"><label for="__tabbed_1_1">Python</label><label for="__tabbed_1_2">C++</label><label for="__tabbed_1_3">Java</label><label for="__tabbed_1_4">C#</label><label for="__tabbed_1_5">Go</label><label for="__tabbed_1_6">Swift</label><label for="__tabbed_1_7">JS</label><label for="__tabbed_1_8">TS</label><label for="__tabbed_1_9">Dart</label><label for="__tabbed_1_10">Rust</label><label for="__tabbed_1_11">C</label><label for="__tabbed_1_12">Kotlin</label><label for="__tabbed_1_13">Ruby</label><label for="__tabbed_1_14">Zig</label></div>
|
||
<div class="tabbed-content">
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">hash_map.py</span><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="c1"># 初始化雜湊表</span>
|
||
<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="n">hmap</span><span class="p">:</span> <span class="nb">dict</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="c1"># 新增操作</span>
|
||
<a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="c1"># 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="n">hmap</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-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="n">hmap</span><span class="p">[</span><span class="mi">15937</span><span class="p">]</span> <span class="o">=</span> <span class="s2">"小囉"</span>
|
||
<a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="n">hmap</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-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a><span class="n">hmap</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-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="n">hmap</span><span class="p">[</span><span class="mi">10583</span><span class="p">]</span> <span class="o">=</span> <span class="s2">"小鴨"</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="c1"># 查詢操作</span>
|
||
<a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a><span class="c1"># 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a><span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">=</span> <span class="n">hmap</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="c1"># 刪除操作</span>
|
||
<a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a><span class="c1"># 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a><span class="n">hmap</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.cpp</span><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="cm">/* 初始化雜湊表 */</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">/* 新增操作 */</span>
|
||
<a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="c1">// 在雜湊表中新增鍵值對 (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">"小囉"</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">"小鴨"</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">/* 查詢操作 */</span>
|
||
<a id="__codelineno-1-13" name="__codelineno-1-13" href="#__codelineno-1-13"></a><span class="c1">// 向雜湊表中輸入鍵 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">/* 刪除操作 */</span>
|
||
<a id="__codelineno-1-17" name="__codelineno-1-17" href="#__codelineno-1-17"></a><span class="c1">// 在雜湊表中刪除鍵值對 (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">
|
||
<div class="highlight"><span class="filename">hash_map.java</span><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></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-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a>
|
||
<a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="c1">// 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></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-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></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">"小囉"</span><span class="p">);</span><span class="w"> </span>
|
||
<a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></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-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></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-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></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">"小鴨"</span><span class="p">);</span>
|
||
<a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a>
|
||
<a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-2-13" name="__codelineno-2-13" href="#__codelineno-2-13"></a><span class="c1">// 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-2-14" name="__codelineno-2-14" href="#__codelineno-2-14"></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-2-15" name="__codelineno-2-15" href="#__codelineno-2-15"></a>
|
||
<a id="__codelineno-2-16" name="__codelineno-2-16" href="#__codelineno-2-16"></a><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-2-17" name="__codelineno-2-17" href="#__codelineno-2-17"></a><span class="c1">// 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-2-18" name="__codelineno-2-18" href="#__codelineno-2-18"></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.cs</span><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></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="kt">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="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a><span class="w"> </span><span class="c1">// 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="m">12836</span><span class="p">,</span><span class="w"> </span><span class="s">"小哈"</span><span class="w"> </span><span class="p">},</span>
|
||
<a id="__codelineno-3-6" name="__codelineno-3-6" href="#__codelineno-3-6"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="m">15937</span><span class="p">,</span><span class="w"> </span><span class="s">"小囉"</span><span class="w"> </span><span class="p">},</span>
|
||
<a id="__codelineno-3-7" name="__codelineno-3-7" href="#__codelineno-3-7"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="m">16750</span><span class="p">,</span><span class="w"> </span><span class="s">"小算"</span><span class="w"> </span><span class="p">},</span>
|
||
<a id="__codelineno-3-8" name="__codelineno-3-8" href="#__codelineno-3-8"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="m">13276</span><span class="p">,</span><span class="w"> </span><span class="s">"小法"</span><span class="w"> </span><span class="p">},</span>
|
||
<a id="__codelineno-3-9" name="__codelineno-3-9" href="#__codelineno-3-9"></a><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="m">10583</span><span class="p">,</span><span class="w"> </span><span class="s">"小鴨"</span><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-3-10" name="__codelineno-3-10" href="#__codelineno-3-10"></a><span class="p">};</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">/* 查詢操作 */</span>
|
||
<a id="__codelineno-3-13" name="__codelineno-3-13" href="#__codelineno-3-13"></a><span class="c1">// 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-3-14" name="__codelineno-3-14" href="#__codelineno-3-14"></a><span class="kt">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-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">/* 刪除操作 */</span>
|
||
<a id="__codelineno-3-17" name="__codelineno-3-17" href="#__codelineno-3-17"></a><span class="c1">// 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-3-18" name="__codelineno-3-18" href="#__codelineno-3-18"></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_test.go</span><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a><span class="nx">hmap</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-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a>
|
||
<a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a><span class="c1">// 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-4-6" name="__codelineno-4-6" href="#__codelineno-4-6"></a><span class="nx">hmap</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-4-7" name="__codelineno-4-7" href="#__codelineno-4-7"></a><span class="nx">hmap</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">"小囉"</span>
|
||
<a id="__codelineno-4-8" name="__codelineno-4-8" href="#__codelineno-4-8"></a><span class="nx">hmap</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-4-9" name="__codelineno-4-9" href="#__codelineno-4-9"></a><span class="nx">hmap</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-4-10" name="__codelineno-4-10" href="#__codelineno-4-10"></a><span class="nx">hmap</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">"小鴨"</span>
|
||
<a id="__codelineno-4-11" name="__codelineno-4-11" href="#__codelineno-4-11"></a>
|
||
<a id="__codelineno-4-12" name="__codelineno-4-12" href="#__codelineno-4-12"></a><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-4-13" name="__codelineno-4-13" href="#__codelineno-4-13"></a><span class="c1">// 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-4-14" name="__codelineno-4-14" href="#__codelineno-4-14"></a><span class="nx">name</span><span class="w"> </span><span class="o">:=</span><span class="w"> </span><span class="nx">hmap</span><span class="p">[</span><span class="mi">15937</span><span class="p">]</span>
|
||
<a id="__codelineno-4-15" name="__codelineno-4-15" href="#__codelineno-4-15"></a>
|
||
<a id="__codelineno-4-16" name="__codelineno-4-16" href="#__codelineno-4-16"></a><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-4-17" name="__codelineno-4-17" href="#__codelineno-4-17"></a><span class="c1">// 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-4-18" name="__codelineno-4-18" href="#__codelineno-4-18"></a><span class="nb">delete</span><span class="p">(</span><span class="nx">hmap</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.swift</span><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></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-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a>
|
||
<a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a><span class="c1">// 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></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-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></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">"小囉"</span>
|
||
<a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></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-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></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-5-10" name="__codelineno-5-10" href="#__codelineno-5-10"></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">"小鴨"</span>
|
||
<a id="__codelineno-5-11" name="__codelineno-5-11" href="#__codelineno-5-11"></a>
|
||
<a id="__codelineno-5-12" name="__codelineno-5-12" href="#__codelineno-5-12"></a><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-5-13" name="__codelineno-5-13" href="#__codelineno-5-13"></a><span class="c1">// 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-5-14" name="__codelineno-5-14" href="#__codelineno-5-14"></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-5-15" name="__codelineno-5-15" href="#__codelineno-5-15"></a>
|
||
<a id="__codelineno-5-16" name="__codelineno-5-16" href="#__codelineno-5-16"></a><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-5-17" name="__codelineno-5-17" href="#__codelineno-5-17"></a><span class="c1">// 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-5-18" name="__codelineno-5-18" href="#__codelineno-5-18"></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.js</span><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></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="p">();</span>
|
||
<a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a><span class="c1">// 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-6-5" name="__codelineno-6-5" href="#__codelineno-6-5"></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-6-6" name="__codelineno-6-6" href="#__codelineno-6-6"></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">'小囉'</span><span class="p">);</span>
|
||
<a id="__codelineno-6-7" name="__codelineno-6-7" href="#__codelineno-6-7"></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-6-8" name="__codelineno-6-8" href="#__codelineno-6-8"></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-6-9" name="__codelineno-6-9" href="#__codelineno-6-9"></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">'小鴨'</span><span class="p">);</span>
|
||
<a id="__codelineno-6-10" name="__codelineno-6-10" href="#__codelineno-6-10"></a>
|
||
<a id="__codelineno-6-11" name="__codelineno-6-11" href="#__codelineno-6-11"></a><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-6-12" name="__codelineno-6-12" href="#__codelineno-6-12"></a><span class="c1">// 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-6-13" name="__codelineno-6-13" href="#__codelineno-6-13"></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-6-14" name="__codelineno-6-14" href="#__codelineno-6-14"></a>
|
||
<a id="__codelineno-6-15" name="__codelineno-6-15" href="#__codelineno-6-15"></a><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-6-16" name="__codelineno-6-16" href="#__codelineno-6-16"></a><span class="c1">// 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-6-17" name="__codelineno-6-17" href="#__codelineno-6-17"></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-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></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-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a><span class="c1">// 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></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-7-6" name="__codelineno-7-6" href="#__codelineno-7-6"></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">'小囉'</span><span class="p">);</span>
|
||
<a id="__codelineno-7-7" name="__codelineno-7-7" href="#__codelineno-7-7"></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-7-8" name="__codelineno-7-8" href="#__codelineno-7-8"></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-7-9" name="__codelineno-7-9" href="#__codelineno-7-9"></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">'小鴨'</span><span class="p">);</span>
|
||
<a id="__codelineno-7-10" name="__codelineno-7-10" href="#__codelineno-7-10"></a><span class="nx">console</span><span class="p">.</span><span class="nx">info</span><span class="p">(</span><span class="s1">'\n新增完成後，雜湊表為\nKey -> Value'</span><span class="p">);</span>
|
||
<a id="__codelineno-7-11" name="__codelineno-7-11" href="#__codelineno-7-11"></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-7-12" name="__codelineno-7-12" href="#__codelineno-7-12"></a>
|
||
<a id="__codelineno-7-13" name="__codelineno-7-13" href="#__codelineno-7-13"></a><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-7-14" name="__codelineno-7-14" href="#__codelineno-7-14"></a><span class="c1">// 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-7-15" name="__codelineno-7-15" href="#__codelineno-7-15"></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-7-16" name="__codelineno-7-16" href="#__codelineno-7-16"></a><span class="nx">console</span><span class="p">.</span><span class="nx">info</span><span class="p">(</span><span class="s1">'\n輸入學號 15937 ，查詢到姓名 '</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-7-17" name="__codelineno-7-17" href="#__codelineno-7-17"></a>
|
||
<a id="__codelineno-7-18" name="__codelineno-7-18" href="#__codelineno-7-18"></a><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-7-19" name="__codelineno-7-19" href="#__codelineno-7-19"></a><span class="c1">// 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-7-20" name="__codelineno-7-20" href="#__codelineno-7-20"></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-7-21" name="__codelineno-7-21" href="#__codelineno-7-21"></a><span class="nx">console</span><span class="p">.</span><span class="nx">info</span><span class="p">(</span><span class="s1">'\n刪除 10583 後，雜湊表為\nKey -> Value'</span><span class="p">);</span>
|
||
<a id="__codelineno-7-22" name="__codelineno-7-22" href="#__codelineno-7-22"></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">
|
||
<div class="highlight"><span class="filename">hash_map.dart</span><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a><span class="n">Map</span><span class="o"><</span><span class="kt">int</span><span class="p">,</span><span class="w"> </span><span class="kt">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="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">/* 新增操作 */</span>
|
||
<a id="__codelineno-8-5" name="__codelineno-8-5" href="#__codelineno-8-5"></a><span class="c1">// 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-8-6" name="__codelineno-8-6" href="#__codelineno-8-6"></a><span class="n">map</span><span class="p">[</span><span class="m">12836</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"小哈"</span><span class="p">;</span>
|
||
<a id="__codelineno-8-7" name="__codelineno-8-7" href="#__codelineno-8-7"></a><span class="n">map</span><span class="p">[</span><span class="m">15937</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"小囉"</span><span class="p">;</span>
|
||
<a id="__codelineno-8-8" name="__codelineno-8-8" href="#__codelineno-8-8"></a><span class="n">map</span><span class="p">[</span><span class="m">16750</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"小算"</span><span class="p">;</span>
|
||
<a id="__codelineno-8-9" name="__codelineno-8-9" href="#__codelineno-8-9"></a><span class="n">map</span><span class="p">[</span><span class="m">13276</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"小法"</span><span class="p">;</span>
|
||
<a id="__codelineno-8-10" name="__codelineno-8-10" href="#__codelineno-8-10"></a><span class="n">map</span><span class="p">[</span><span class="m">10583</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">"小鴨"</span><span class="p">;</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">/* 查詢操作 */</span>
|
||
<a id="__codelineno-8-13" name="__codelineno-8-13" href="#__codelineno-8-13"></a><span class="c1">// 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-8-14" name="__codelineno-8-14" href="#__codelineno-8-14"></a><span class="kt">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-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">/* 刪除操作 */</span>
|
||
<a id="__codelineno-8-17" name="__codelineno-8-17" href="#__codelineno-8-17"></a><span class="c1">// 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-8-18" name="__codelineno-8-18" href="#__codelineno-8-18"></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.rs</span><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a><span class="k">use</span><span class="w"> </span><span class="n">std</span>::<span class="n">collections</span>::<span class="n">HashMap</span><span class="p">;</span>
|
||
<a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a>
|
||
<a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a><span class="kd">let</span><span class="w"> </span><span class="k">mut</span><span class="w"> </span><span class="n">map</span>: <span class="nc">HashMap</span><span class="o"><</span><span class="kt">i32</span><span class="p">,</span><span class="w"> </span><span class="nb">String</span><span class="o">></span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">HashMap</span>::<span class="n">new</span><span class="p">();</span>
|
||
<a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a>
|
||
<a id="__codelineno-9-6" name="__codelineno-9-6" href="#__codelineno-9-6"></a><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a><span class="c1">// 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-9-8" name="__codelineno-9-8" href="#__codelineno-9-8"></a><span class="n">map</span><span class="p">.</span><span class="n">insert</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="n">to_string</span><span class="p">());</span>
|
||
<a id="__codelineno-9-9" name="__codelineno-9-9" href="#__codelineno-9-9"></a><span class="n">map</span><span class="p">.</span><span class="n">insert</span><span class="p">(</span><span class="mi">15937</span><span class="p">,</span><span class="w"> </span><span class="s">"小囉"</span><span class="p">.</span><span class="n">to_string</span><span class="p">());</span>
|
||
<a id="__codelineno-9-10" name="__codelineno-9-10" href="#__codelineno-9-10"></a><span class="n">map</span><span class="p">.</span><span class="n">insert</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="n">to_string</span><span class="p">());</span>
|
||
<a id="__codelineno-9-11" name="__codelineno-9-11" href="#__codelineno-9-11"></a><span class="n">map</span><span class="p">.</span><span class="n">insert</span><span class="p">(</span><span class="mi">13279</span><span class="p">,</span><span class="w"> </span><span class="s">"小法"</span><span class="p">.</span><span class="n">to_string</span><span class="p">());</span>
|
||
<a id="__codelineno-9-12" name="__codelineno-9-12" href="#__codelineno-9-12"></a><span class="n">map</span><span class="p">.</span><span class="n">insert</span><span class="p">(</span><span class="mi">10583</span><span class="p">,</span><span class="w"> </span><span class="s">"小鴨"</span><span class="p">.</span><span class="n">to_string</span><span class="p">());</span>
|
||
<a id="__codelineno-9-13" name="__codelineno-9-13" href="#__codelineno-9-13"></a>
|
||
<a id="__codelineno-9-14" name="__codelineno-9-14" href="#__codelineno-9-14"></a><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-9-15" name="__codelineno-9-15" href="#__codelineno-9-15"></a><span class="c1">// 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-9-16" name="__codelineno-9-16" href="#__codelineno-9-16"></a><span class="kd">let</span><span class="w"> </span><span class="n">_name</span>: <span class="nb">Option</span><span class="o"><&</span><span class="nb">String</span><span class="o">></span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">map</span><span class="p">.</span><span class="n">get</span><span class="p">(</span><span class="o">&</span><span class="mi">15937</span><span class="p">);</span>
|
||
<a id="__codelineno-9-17" name="__codelineno-9-17" href="#__codelineno-9-17"></a>
|
||
<a id="__codelineno-9-18" name="__codelineno-9-18" href="#__codelineno-9-18"></a><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-9-19" name="__codelineno-9-19" href="#__codelineno-9-19"></a><span class="c1">// 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-9-20" name="__codelineno-9-20" href="#__codelineno-9-20"></a><span class="kd">let</span><span class="w"> </span><span class="n">_removed_value</span>: <span class="nb">Option</span><span class="o"><</span><span class="nb">String</span><span class="o">></span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">map</span><span class="p">.</span><span class="n">remove</span><span class="p">(</span><span class="o">&</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.c</span><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a><span class="c1">// C 未提供內建雜湊表</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">hash_map.kt</span><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a><span class="kd">val</span><span class="w"> </span><span class="nv">map</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">HashMap</span><span class="o"><</span><span class="kt">Int</span><span class="p">,</span><span class="kt">String</span><span class="o">></span><span class="p">()</span>
|
||
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a>
|
||
<a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a><span class="c1">// 在雜湊表中新增鍵值對 (key, value)</span>
|
||
<a id="__codelineno-11-6" name="__codelineno-11-6" href="#__codelineno-11-6"></a><span class="n">map</span><span class="o">[</span><span class="m">12836</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">"小哈"</span>
|
||
<a id="__codelineno-11-7" name="__codelineno-11-7" href="#__codelineno-11-7"></a><span class="n">map</span><span class="o">[</span><span class="m">15937</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">"小囉"</span>
|
||
<a id="__codelineno-11-8" name="__codelineno-11-8" href="#__codelineno-11-8"></a><span class="n">map</span><span class="o">[</span><span class="m">16750</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">"小算"</span>
|
||
<a id="__codelineno-11-9" name="__codelineno-11-9" href="#__codelineno-11-9"></a><span class="n">map</span><span class="o">[</span><span class="m">13276</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">"小法"</span>
|
||
<a id="__codelineno-11-10" name="__codelineno-11-10" href="#__codelineno-11-10"></a><span class="n">map</span><span class="o">[</span><span class="m">10583</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">"小鴨"</span>
|
||
<a id="__codelineno-11-11" name="__codelineno-11-11" href="#__codelineno-11-11"></a>
|
||
<a id="__codelineno-11-12" name="__codelineno-11-12" href="#__codelineno-11-12"></a><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-11-13" name="__codelineno-11-13" href="#__codelineno-11-13"></a><span class="c1">// 向雜湊表中輸入鍵 key ，得到值 value</span>
|
||
<a id="__codelineno-11-14" name="__codelineno-11-14" href="#__codelineno-11-14"></a><span class="kd">val</span><span class="w"> </span><span class="nv">name</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">map</span><span class="o">[</span><span class="m">15937</span><span class="o">]</span>
|
||
<a id="__codelineno-11-15" name="__codelineno-11-15" href="#__codelineno-11-15"></a>
|
||
<a id="__codelineno-11-16" name="__codelineno-11-16" href="#__codelineno-11-16"></a><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-11-17" name="__codelineno-11-17" href="#__codelineno-11-17"></a><span class="c1">// 在雜湊表中刪除鍵值對 (key, value)</span>
|
||
<a id="__codelineno-11-18" name="__codelineno-11-18" href="#__codelineno-11-18"></a><span class="n">map</span><span class="p">.</span><span class="na">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.rb</span><pre><span></span><code><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a>
|
||
</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-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a>
|
||
</code></pre></div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<details class="pythontutor">
|
||
<summary>視覺化執行</summary>
|
||
<p><div style="height: 549px; width: 100%;"><iframe class="pythontutor-iframe" src="https://pythontutor.com/iframe-embed.html#code=%22%22%22Driver%20Code%22%22%22%0Aif%20__name__%20%3D%3D%20%22__main__%22%3A%0A%20%20%20%20%23%20%E5%88%9D%E5%A7%8B%E5%8C%96%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20hmap%20%3D%20%7B%7D%0A%20%20%20%20%0A%20%20%20%20%23%20%E6%B7%BB%E5%8A%A0%E6%93%8D%E4%BD%9C%0A%20%20%20%20%23%20%E5%9C%A8%E5%93%88%E5%B8%8C%E8%A1%A8%E4%B8%AD%E6%B7%BB%E5%8A%A0%E9%94%AE%E5%80%BC%E5%AF%B9%20%28key,%20value%29%0A%20%20%20%20hmap%5B12836%5D%20%3D%20%22%E5%B0%8F%E5%93%88%22%0A%20%20%20%20hmap%5B15937%5D%20%3D%20%22%E5%B0%8F%E5%95%B0%22%0A%20%20%20%20hmap%5B16750%5D%20%3D%20%22%E5%B0%8F%E7%AE%97%22%0A%20%20%20%20hmap%5B13276%5D%20%3D%20%22%E5%B0%8F%E6%B3%95%22%0A%20%20%20%20hmap%5B10583%5D%20%3D%20%22%E5%B0%8F%E9%B8%AD%22%0A%20%20%20%20%0A%20%20%20%20%23%20%E6%9F%A5%E8%AF%A2%E6%93%8D%E4%BD%9C%0A%20%20%20%20%23%20%E5%90%91%E5%93%88%E5%B8%8C%E8%A1%A8%E4%B8%AD%E8%BE%93%E5%85%A5%E9%94%AE%20key%20%EF%BC%8C%E5%BE%97%E5%88%B0%E5%80%BC%20value%0A%20%20%20%20name%20%3D%20hmap%5B15937%5D%0A%20%20%20%20%0A%20%20%20%20%23%20%E5%88%A0%E9%99%A4%E6%93%8D%E4%BD%9C%0A%20%20%20%20%23%20%E5%9C%A8%E5%93%88%E5%B8%8C%E8%A1%A8%E4%B8%AD%E5%88%A0%E9%99%A4%E9%94%AE%E5%80%BC%E5%AF%B9%20%28key,%20value%29%0A%20%20%20%20hmap.pop%2810583%29&codeDivHeight=472&codeDivWidth=350&cumulative=false&curInstr=2&heapPrimitives=nevernest&origin=opt-frontend.js&py=311&rawInputLstJSON=%5B%5D&textReferences=false"> </iframe></div>
|
||
<div style="margin-top: 5px;"><a href="https://pythontutor.com/iframe-embed.html#code=%22%22%22Driver%20Code%22%22%22%0Aif%20__name__%20%3D%3D%20%22__main__%22%3A%0A%20%20%20%20%23%20%E5%88%9D%E5%A7%8B%E5%8C%96%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20hmap%20%3D%20%7B%7D%0A%20%20%20%20%0A%20%20%20%20%23%20%E6%B7%BB%E5%8A%A0%E6%93%8D%E4%BD%9C%0A%20%20%20%20%23%20%E5%9C%A8%E5%93%88%E5%B8%8C%E8%A1%A8%E4%B8%AD%E6%B7%BB%E5%8A%A0%E9%94%AE%E5%80%BC%E5%AF%B9%20%28key,%20value%29%0A%20%20%20%20hmap%5B12836%5D%20%3D%20%22%E5%B0%8F%E5%93%88%22%0A%20%20%20%20hmap%5B15937%5D%20%3D%20%22%E5%B0%8F%E5%95%B0%22%0A%20%20%20%20hmap%5B16750%5D%20%3D%20%22%E5%B0%8F%E7%AE%97%22%0A%20%20%20%20hmap%5B13276%5D%20%3D%20%22%E5%B0%8F%E6%B3%95%22%0A%20%20%20%20hmap%5B10583%5D%20%3D%20%22%E5%B0%8F%E9%B8%AD%22%0A%20%20%20%20%0A%20%20%20%20%23%20%E6%9F%A5%E8%AF%A2%E6%93%8D%E4%BD%9C%0A%20%20%20%20%23%20%E5%90%91%E5%93%88%E5%B8%8C%E8%A1%A8%E4%B8%AD%E8%BE%93%E5%85%A5%E9%94%AE%20key%20%EF%BC%8C%E5%BE%97%E5%88%B0%E5%80%BC%20value%0A%20%20%20%20name%20%3D%20hmap%5B15937%5D%0A%20%20%20%20%0A%20%20%20%20%23%20%E5%88%A0%E9%99%A4%E6%93%8D%E4%BD%9C%0A%20%20%20%20%23%20%E5%9C%A8%E5%93%88%E5%B8%8C%E8%A1%A8%E4%B8%AD%E5%88%A0%E9%99%A4%E9%94%AE%E5%80%BC%E5%AF%B9%20%28key,%20value%29%0A%20%20%20%20hmap.pop%2810583%29&codeDivHeight=800&codeDivWidth=600&cumulative=false&curInstr=2&heapPrimitives=nevernest&origin=opt-frontend.js&py=311&rawInputLstJSON=%5B%5D&textReferences=false" target="_blank" rel="noopener noreferrer">全螢幕觀看 ></a></div></p>
|
||
</details>
|
||
<p>雜湊表有三種常用的走訪方式：走訪鍵值對、走訪鍵和走訪值。示例程式碼如下：</p>
|
||
<div class="tabbed-set tabbed-alternate" data-tabs="2:14"><input checked="checked" id="__tabbed_2_1" name="__tabbed_2" type="radio" /><input id="__tabbed_2_2" name="__tabbed_2" type="radio" /><input id="__tabbed_2_3" name="__tabbed_2" type="radio" /><input id="__tabbed_2_4" name="__tabbed_2" type="radio" /><input id="__tabbed_2_5" name="__tabbed_2" type="radio" /><input id="__tabbed_2_6" name="__tabbed_2" type="radio" /><input id="__tabbed_2_7" name="__tabbed_2" type="radio" /><input id="__tabbed_2_8" name="__tabbed_2" type="radio" /><input id="__tabbed_2_9" name="__tabbed_2" type="radio" /><input id="__tabbed_2_10" name="__tabbed_2" type="radio" /><input id="__tabbed_2_11" name="__tabbed_2" type="radio" /><input id="__tabbed_2_12" name="__tabbed_2" type="radio" /><input id="__tabbed_2_13" name="__tabbed_2" type="radio" /><input id="__tabbed_2_14" name="__tabbed_2" type="radio" /><div class="tabbed-labels"><label for="__tabbed_2_1">Python</label><label for="__tabbed_2_2">C++</label><label for="__tabbed_2_3">Java</label><label for="__tabbed_2_4">C#</label><label for="__tabbed_2_5">Go</label><label for="__tabbed_2_6">Swift</label><label for="__tabbed_2_7">JS</label><label for="__tabbed_2_8">TS</label><label for="__tabbed_2_9">Dart</label><label for="__tabbed_2_10">Rust</label><label for="__tabbed_2_11">C</label><label for="__tabbed_2_12">Kotlin</label><label for="__tabbed_2_13">Ruby</label><label for="__tabbed_2_14">Zig</label></div>
|
||
<div class="tabbed-content">
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">hash_map.py</span><pre><span></span><code><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a><span class="c1"># 走訪雜湊表</span>
|
||
<a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a><span class="c1"># 走訪鍵值對 key->value</span>
|
||
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></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">hmap</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
|
||
<a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></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-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a><span class="c1"># 單獨走訪鍵 key</span>
|
||
<a id="__codelineno-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a><span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">hmap</span><span class="o">.</span><span class="n">keys</span><span class="p">():</span>
|
||
<a id="__codelineno-14-7" name="__codelineno-14-7" href="#__codelineno-14-7"></a> <span class="nb">print</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||
<a id="__codelineno-14-8" name="__codelineno-14-8" href="#__codelineno-14-8"></a><span class="c1"># 單獨走訪值 value</span>
|
||
<a id="__codelineno-14-9" name="__codelineno-14-9" href="#__codelineno-14-9"></a><span class="k">for</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">hmap</span><span class="o">.</span><span class="n">values</span><span class="p">():</span>
|
||
<a id="__codelineno-14-10" name="__codelineno-14-10" href="#__codelineno-14-10"></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.cpp</span><pre><span></span><code><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a><span class="cm">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a><span class="c1">// 走訪鍵值對 key->value</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="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-15-4" name="__codelineno-15-4" href="#__codelineno-15-4"></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-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="c1">// 使用迭代器走訪 key->value</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="k">auto</span><span class="w"> </span><span class="n">iter</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">map</span><span class="p">.</span><span class="n">begin</span><span class="p">();</span><span class="w"> </span><span class="n">iter</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="n">map</span><span class="p">.</span><span class="n">end</span><span class="p">();</span><span class="w"> </span><span class="n">iter</span><span class="o">++</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="n">cout</span><span class="w"> </span><span class="o"><<</span><span class="w"> </span><span class="n">iter</span><span class="o">-></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">iter</span><span class="o">-></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-15-9" name="__codelineno-15-9" href="#__codelineno-15-9"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">hash_map.java</span><pre><span></span><code><a id="__codelineno-16-1" name="__codelineno-16-1" href="#__codelineno-16-1"></a><span class="cm">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-16-2" name="__codelineno-16-2" href="#__codelineno-16-2"></a><span class="c1">// 走訪鍵值對 key->value</span>
|
||
<a id="__codelineno-16-3" name="__codelineno-16-3" href="#__codelineno-16-3"></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-16-4" name="__codelineno-16-4" href="#__codelineno-16-4"></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-16-5" name="__codelineno-16-5" href="#__codelineno-16-5"></a><span class="p">}</span>
|
||
<a id="__codelineno-16-6" name="__codelineno-16-6" href="#__codelineno-16-6"></a><span class="c1">// 單獨走訪鍵 key</span>
|
||
<a id="__codelineno-16-7" name="__codelineno-16-7" href="#__codelineno-16-7"></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-16-8" name="__codelineno-16-8" href="#__codelineno-16-8"></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-16-9" name="__codelineno-16-9" href="#__codelineno-16-9"></a><span class="p">}</span>
|
||
<a id="__codelineno-16-10" name="__codelineno-16-10" href="#__codelineno-16-10"></a><span class="c1">// 單獨走訪值 value</span>
|
||
<a id="__codelineno-16-11" name="__codelineno-16-11" href="#__codelineno-16-11"></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-16-12" name="__codelineno-16-12" href="#__codelineno-16-12"></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-16-13" name="__codelineno-16-13" href="#__codelineno-16-13"></a><span class="p">}</span>
|
||
</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">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-17-2" name="__codelineno-17-2" href="#__codelineno-17-2"></a><span class="c1">// 走訪鍵值對 Key->Value</span>
|
||
<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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-17-4" name="__codelineno-17-4" href="#__codelineno-17-4"></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-17-5" name="__codelineno-17-5" href="#__codelineno-17-5"></a><span class="p">}</span>
|
||
<a id="__codelineno-17-6" name="__codelineno-17-6" href="#__codelineno-17-6"></a><span class="c1">// 單獨走訪鍵 key</span>
|
||
<a id="__codelineno-17-7" name="__codelineno-17-7" href="#__codelineno-17-7"></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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-17-8" name="__codelineno-17-8" href="#__codelineno-17-8"></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-17-9" 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="c1">// 單獨走訪值 value</span>
|
||
<a id="__codelineno-17-11" name="__codelineno-17-11" href="#__codelineno-17-11"></a><span class="k">foreach</span><span class="w"> </span><span class="p">(</span><span class="kt">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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-17-12" name="__codelineno-17-12" href="#__codelineno-17-12"></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-17-13" name="__codelineno-17-13" href="#__codelineno-17-13"></a><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-18-1" name="__codelineno-18-1" href="#__codelineno-18-1"></a><span class="cm">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-18-2" name="__codelineno-18-2" href="#__codelineno-18-2"></a><span class="c1">// 走訪鍵值對 key->value</span>
|
||
<a id="__codelineno-18-3" name="__codelineno-18-3" href="#__codelineno-18-3"></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">hmap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-18-4" name="__codelineno-18-4" href="#__codelineno-18-4"></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-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">// 單獨走訪鍵 key</span>
|
||
<a id="__codelineno-18-7" name="__codelineno-18-7" href="#__codelineno-18-7"></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">hmap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-18-8" name="__codelineno-18-8" href="#__codelineno-18-8"></a><span class="w"> </span><span class="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-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">// 單獨走訪值 value</span>
|
||
<a id="__codelineno-18-11" name="__codelineno-18-11" href="#__codelineno-18-11"></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">hmap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-18-12" name="__codelineno-18-12" href="#__codelineno-18-12"></a><span class="w"> </span><span class="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-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.swift</span><pre><span></span><code><a id="__codelineno-19-1" name="__codelineno-19-1" href="#__codelineno-19-1"></a><span class="cm">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-19-2" name="__codelineno-19-2" href="#__codelineno-19-2"></a><span class="c1">// 走訪鍵值對 Key->Value</span>
|
||
<a id="__codelineno-19-3" name="__codelineno-19-3" href="#__codelineno-19-3"></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-19-4" name="__codelineno-19-4" href="#__codelineno-19-4"></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-19-5" name="__codelineno-19-5" href="#__codelineno-19-5"></a><span class="p">}</span>
|
||
<a id="__codelineno-19-6" name="__codelineno-19-6" href="#__codelineno-19-6"></a><span class="c1">// 單獨走訪鍵 Key</span>
|
||
<a id="__codelineno-19-7" name="__codelineno-19-7" href="#__codelineno-19-7"></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-19-8" name="__codelineno-19-8" href="#__codelineno-19-8"></a> <span class="bp">print</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||
<a id="__codelineno-19-9" name="__codelineno-19-9" href="#__codelineno-19-9"></a><span class="p">}</span>
|
||
<a id="__codelineno-19-10" name="__codelineno-19-10" href="#__codelineno-19-10"></a><span class="c1">// 單獨走訪值 Value</span>
|
||
<a id="__codelineno-19-11" name="__codelineno-19-11" href="#__codelineno-19-11"></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-19-12" name="__codelineno-19-12" href="#__codelineno-19-12"></a> <span class="bp">print</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
|
||
<a id="__codelineno-19-13" name="__codelineno-19-13" href="#__codelineno-19-13"></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-20-1" name="__codelineno-20-1" href="#__codelineno-20-1"></a><span class="cm">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-20-2" name="__codelineno-20-2" href="#__codelineno-20-2"></a><span class="nx">console</span><span class="p">.</span><span class="nx">info</span><span class="p">(</span><span class="s1">'\n走訪鍵值對 Key->Value'</span><span class="p">);</span>
|
||
<a id="__codelineno-20-3" name="__codelineno-20-3" href="#__codelineno-20-3"></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-20-4" name="__codelineno-20-4" href="#__codelineno-20-4"></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-20-5" name="__codelineno-20-5" href="#__codelineno-20-5"></a><span class="p">}</span>
|
||
<a id="__codelineno-20-6" name="__codelineno-20-6" href="#__codelineno-20-6"></a><span class="nx">console</span><span class="p">.</span><span class="nx">info</span><span class="p">(</span><span class="s1">'\n單獨走訪鍵 Key'</span><span class="p">);</span>
|
||
<a id="__codelineno-20-7" name="__codelineno-20-7" href="#__codelineno-20-7"></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-20-8" name="__codelineno-20-8" href="#__codelineno-20-8"></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-20-9" name="__codelineno-20-9" href="#__codelineno-20-9"></a><span class="p">}</span>
|
||
<a id="__codelineno-20-10" name="__codelineno-20-10" href="#__codelineno-20-10"></a><span class="nx">console</span><span class="p">.</span><span class="nx">info</span><span class="p">(</span><span class="s1">'\n單獨走訪值 Value'</span><span class="p">);</span>
|
||
<a id="__codelineno-20-11" name="__codelineno-20-11" href="#__codelineno-20-11"></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-20-12" name="__codelineno-20-12" href="#__codelineno-20-12"></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-20-13" name="__codelineno-20-13" href="#__codelineno-20-13"></a><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-21-1" name="__codelineno-21-1" href="#__codelineno-21-1"></a><span class="cm">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-21-2" name="__codelineno-21-2" href="#__codelineno-21-2"></a><span class="nx">console</span><span class="p">.</span><span class="nx">info</span><span class="p">(</span><span class="s1">'\n走訪鍵值對 Key->Value'</span><span class="p">);</span>
|
||
<a id="__codelineno-21-3" name="__codelineno-21-3" href="#__codelineno-21-3"></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-21-4" name="__codelineno-21-4" href="#__codelineno-21-4"></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-21-5" name="__codelineno-21-5" href="#__codelineno-21-5"></a><span class="p">}</span>
|
||
<a id="__codelineno-21-6" name="__codelineno-21-6" href="#__codelineno-21-6"></a><span class="nx">console</span><span class="p">.</span><span class="nx">info</span><span class="p">(</span><span class="s1">'\n單獨走訪鍵 Key'</span><span class="p">);</span>
|
||
<a id="__codelineno-21-7" name="__codelineno-21-7" href="#__codelineno-21-7"></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-21-8" name="__codelineno-21-8" href="#__codelineno-21-8"></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-21-9" name="__codelineno-21-9" href="#__codelineno-21-9"></a><span class="p">}</span>
|
||
<a id="__codelineno-21-10" name="__codelineno-21-10" href="#__codelineno-21-10"></a><span class="nx">console</span><span class="p">.</span><span class="nx">info</span><span class="p">(</span><span class="s1">'\n單獨走訪值 Value'</span><span class="p">);</span>
|
||
<a id="__codelineno-21-11" name="__codelineno-21-11" href="#__codelineno-21-11"></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-21-12" name="__codelineno-21-12" href="#__codelineno-21-12"></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-21-13" name="__codelineno-21-13" href="#__codelineno-21-13"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">hash_map.dart</span><pre><span></span><code><a id="__codelineno-22-1" name="__codelineno-22-1" href="#__codelineno-22-1"></a><span class="cm">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-22-2" name="__codelineno-22-2" href="#__codelineno-22-2"></a><span class="c1">// 走訪鍵值對 Key->Value</span>
|
||
<a id="__codelineno-22-3" name="__codelineno-22-3" href="#__codelineno-22-3"></a><span class="n">map</span><span class="p">.</span><span class="n">forEach</span><span class="p">((</span><span class="n">key</span><span class="p">,</span><span class="w"> </span><span class="n">value</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-22-4" name="__codelineno-22-4" href="#__codelineno-22-4"></a><span class="w"> </span><span class="n">print</span><span class="p">(</span><span class="s1">'</span><span class="si">$</span><span class="n">key</span><span class="s1"> -> </span><span class="si">$</span><span class="n">value</span><span class="s1">'</span><span class="p">);</span>
|
||
<a id="__codelineno-22-5" name="__codelineno-22-5" href="#__codelineno-22-5"></a><span class="p">});</span>
|
||
<a id="__codelineno-22-6" name="__codelineno-22-6" href="#__codelineno-22-6"></a>
|
||
<a id="__codelineno-22-7" name="__codelineno-22-7" href="#__codelineno-22-7"></a><span class="c1">// 單獨走訪鍵 Key</span>
|
||
<a id="__codelineno-22-8" name="__codelineno-22-8" href="#__codelineno-22-8"></a><span class="n">map</span><span class="p">.</span><span class="n">keys</span><span class="p">.</span><span class="n">forEach</span><span class="p">((</span><span class="n">key</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-22-9" name="__codelineno-22-9" href="#__codelineno-22-9"></a><span class="w"> </span><span class="n">print</span><span class="p">(</span><span class="n">key</span><span class="p">);</span>
|
||
<a id="__codelineno-22-10" name="__codelineno-22-10" href="#__codelineno-22-10"></a><span class="p">});</span>
|
||
<a id="__codelineno-22-11" name="__codelineno-22-11" href="#__codelineno-22-11"></a>
|
||
<a id="__codelineno-22-12" name="__codelineno-22-12" href="#__codelineno-22-12"></a><span class="c1">// 單獨走訪值 Value</span>
|
||
<a id="__codelineno-22-13" name="__codelineno-22-13" href="#__codelineno-22-13"></a><span class="n">map</span><span class="p">.</span><span class="n">values</span><span class="p">.</span><span class="n">forEach</span><span class="p">((</span><span class="n">value</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-22-14" name="__codelineno-22-14" href="#__codelineno-22-14"></a><span class="w"> </span><span class="n">print</span><span class="p">(</span><span class="n">value</span><span class="p">);</span>
|
||
<a id="__codelineno-22-15" name="__codelineno-22-15" href="#__codelineno-22-15"></a><span class="p">});</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">hash_map.rs</span><pre><span></span><code><a id="__codelineno-23-1" name="__codelineno-23-1" href="#__codelineno-23-1"></a><span class="cm">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-23-2" name="__codelineno-23-2" href="#__codelineno-23-2"></a><span class="c1">// 走訪鍵值對 Key->Value</span>
|
||
<a id="__codelineno-23-3" name="__codelineno-23-3" href="#__codelineno-23-3"></a><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">key</span><span class="p">,</span><span class="w"> </span><span class="n">value</span><span class="p">)</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="o">&</span><span class="n">map</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-23-4" name="__codelineno-23-4" href="#__codelineno-23-4"></a><span class="w"> </span><span class="fm">println!</span><span class="p">(</span><span class="s">"{key} -> {value}"</span><span class="p">);</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="c1">// 單獨走訪鍵 Key</span>
|
||
<a id="__codelineno-23-8" name="__codelineno-23-8" href="#__codelineno-23-8"></a><span class="k">for</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-23-9" name="__codelineno-23-9" href="#__codelineno-23-9"></a><span class="w"> </span><span class="fm">println!</span><span class="p">(</span><span class="s">"{key}"</span><span class="p">);</span><span class="w"> </span>
|
||
<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>
|
||
<a id="__codelineno-23-12" name="__codelineno-23-12" href="#__codelineno-23-12"></a><span class="c1">// 單獨走訪值 Value</span>
|
||
<a id="__codelineno-23-13" name="__codelineno-23-13" href="#__codelineno-23-13"></a><span class="k">for</span><span class="w"> </span><span class="n">value</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-23-14" name="__codelineno-23-14" href="#__codelineno-23-14"></a><span class="w"> </span><span class="fm">println!</span><span class="p">(</span><span class="s">"{value}"</span><span class="p">);</span>
|
||
<a id="__codelineno-23-15" name="__codelineno-23-15" href="#__codelineno-23-15"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">hash_map.c</span><pre><span></span><code><a id="__codelineno-24-1" name="__codelineno-24-1" href="#__codelineno-24-1"></a><span class="c1">// C 未提供內建雜湊表</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">hash_map.kt</span><pre><span></span><code><a id="__codelineno-25-1" name="__codelineno-25-1" href="#__codelineno-25-1"></a><span class="cm">/* 走訪雜湊表 */</span>
|
||
<a id="__codelineno-25-2" name="__codelineno-25-2" href="#__codelineno-25-2"></a><span class="c1">// 走訪鍵值對 key->value</span>
|
||
<a id="__codelineno-25-3" name="__codelineno-25-3" href="#__codelineno-25-3"></a><span class="k">for</span><span class="w"> </span><span class="p">((</span><span class="n">key</span><span class="p">,</span><span class="w"> </span><span class="n">value</span><span class="p">)</span><span class="w"> </span><span class="k">in</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-25-4" name="__codelineno-25-4" href="#__codelineno-25-4"></a><span class="w"> </span><span class="n">println</span><span class="p">(</span><span class="s">"</span><span class="si">$</span><span class="n">key</span><span class="s"> -> </span><span class="si">$</span><span class="n">value</span><span class="s">"</span><span class="p">)</span>
|
||
<a id="__codelineno-25-5" name="__codelineno-25-5" href="#__codelineno-25-5"></a><span class="p">}</span>
|
||
<a id="__codelineno-25-6" name="__codelineno-25-6" href="#__codelineno-25-6"></a><span class="c1">// 單獨走訪鍵 key</span>
|
||
<a id="__codelineno-25-7" name="__codelineno-25-7" href="#__codelineno-25-7"></a><span class="k">for</span><span class="w"> </span><span class="p">(</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="na">keys</span><span class="p">)</span><span class="w"> </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="n">println</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
|
||
<a id="__codelineno-25-9" name="__codelineno-25-9" href="#__codelineno-25-9"></a><span class="p">}</span>
|
||
<a id="__codelineno-25-10" name="__codelineno-25-10" href="#__codelineno-25-10"></a><span class="c1">// 單獨走訪值 value</span>
|
||
<a id="__codelineno-25-11" name="__codelineno-25-11" href="#__codelineno-25-11"></a><span class="k">for</span><span class="w"> </span><span class="p">(</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="na">values</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-25-12" name="__codelineno-25-12" href="#__codelineno-25-12"></a><span class="w"> </span><span class="n">println</span><span class="p">(</span><span class="n">_val</span><span class="p">)</span>
|
||
<a id="__codelineno-25-13" name="__codelineno-25-13" href="#__codelineno-25-13"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">hash_map.rb</span><pre><span></span><code><a id="__codelineno-26-1" name="__codelineno-26-1" href="#__codelineno-26-1"></a>
|
||
</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-27-1" name="__codelineno-27-1" href="#__codelineno-27-1"></a>
|
||
</code></pre></div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<details class="pythontutor">
|
||
<summary>視覺化執行</summary>
|
||
<p><div style="height: 549px; width: 100%;"><iframe class="pythontutor-iframe" src="https://pythontutor.com/iframe-embed.html#code=%22%22%22Driver%20Code%22%22%22%0Aif%20__name__%20%3D%3D%20%22__main__%22%3A%0A%20%20%20%20%23%20%E5%88%9D%E5%A7%8B%E5%8C%96%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20hmap%20%3D%20%7B%7D%0A%20%20%20%20%0A%20%20%20%20%23%20%E6%B7%BB%E5%8A%A0%E6%93%8D%E4%BD%9C%0A%20%20%20%20%23%20%E5%9C%A8%E5%93%88%E5%B8%8C%E8%A1%A8%E4%B8%AD%E6%B7%BB%E5%8A%A0%E9%94%AE%E5%80%BC%E5%AF%B9%20%28key,%20value%29%0A%20%20%20%20hmap%5B12836%5D%20%3D%20%22%E5%B0%8F%E5%93%88%22%0A%20%20%20%20hmap%5B15937%5D%20%3D%20%22%E5%B0%8F%E5%95%B0%22%0A%20%20%20%20hmap%5B16750%5D%20%3D%20%22%E5%B0%8F%E7%AE%97%22%0A%20%20%20%20hmap%5B13276%5D%20%3D%20%22%E5%B0%8F%E6%B3%95%22%0A%20%20%20%20hmap%5B10583%5D%20%3D%20%22%E5%B0%8F%E9%B8%AD%22%0A%20%20%20%20%0A%20%20%20%20%23%20%E9%81%8D%E5%8E%86%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20%23%20%E9%81%8D%E5%8E%86%E9%94%AE%E5%80%BC%E5%AF%B9%20key-%3Evalue%0A%20%20%20%20for%20key,%20value%20in%20hmap.items%28%29%3A%0A%20%20%20%20%20%20%20%20print%28key,%20%22-%3E%22,%20value%29%0A%20%20%20%20%23%20%E5%8D%95%E7%8B%AC%E9%81%8D%E5%8E%86%E9%94%AE%20key%0A%20%20%20%20for%20key%20in%20hmap.keys%28%29%3A%0A%20%20%20%20%20%20%20%20print%28key%29%0A%20%20%20%20%23%20%E5%8D%95%E7%8B%AC%E9%81%8D%E5%8E%86%E5%80%BC%20value%0A%20%20%20%20for%20value%20in%20hmap.values%28%29%3A%0A%20%20%20%20%20%20%20%20print%28value%29&codeDivHeight=472&codeDivWidth=350&cumulative=false&curInstr=8&heapPrimitives=nevernest&origin=opt-frontend.js&py=311&rawInputLstJSON=%5B%5D&textReferences=false"> </iframe></div>
|
||
<div style="margin-top: 5px;"><a href="https://pythontutor.com/iframe-embed.html#code=%22%22%22Driver%20Code%22%22%22%0Aif%20__name__%20%3D%3D%20%22__main__%22%3A%0A%20%20%20%20%23%20%E5%88%9D%E5%A7%8B%E5%8C%96%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20hmap%20%3D%20%7B%7D%0A%20%20%20%20%0A%20%20%20%20%23%20%E6%B7%BB%E5%8A%A0%E6%93%8D%E4%BD%9C%0A%20%20%20%20%23%20%E5%9C%A8%E5%93%88%E5%B8%8C%E8%A1%A8%E4%B8%AD%E6%B7%BB%E5%8A%A0%E9%94%AE%E5%80%BC%E5%AF%B9%20%28key,%20value%29%0A%20%20%20%20hmap%5B12836%5D%20%3D%20%22%E5%B0%8F%E5%93%88%22%0A%20%20%20%20hmap%5B15937%5D%20%3D%20%22%E5%B0%8F%E5%95%B0%22%0A%20%20%20%20hmap%5B16750%5D%20%3D%20%22%E5%B0%8F%E7%AE%97%22%0A%20%20%20%20hmap%5B13276%5D%20%3D%20%22%E5%B0%8F%E6%B3%95%22%0A%20%20%20%20hmap%5B10583%5D%20%3D%20%22%E5%B0%8F%E9%B8%AD%22%0A%20%20%20%20%0A%20%20%20%20%23%20%E9%81%8D%E5%8E%86%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20%23%20%E9%81%8D%E5%8E%86%E9%94%AE%E5%80%BC%E5%AF%B9%20key-%3Evalue%0A%20%20%20%20for%20key,%20value%20in%20hmap.items%28%29%3A%0A%20%20%20%20%20%20%20%20print%28key,%20%22-%3E%22,%20value%29%0A%20%20%20%20%23%20%E5%8D%95%E7%8B%AC%E9%81%8D%E5%8E%86%E9%94%AE%20key%0A%20%20%20%20for%20key%20in%20hmap.keys%28%29%3A%0A%20%20%20%20%20%20%20%20print%28key%29%0A%20%20%20%20%23%20%E5%8D%95%E7%8B%AC%E9%81%8D%E5%8E%86%E5%80%BC%20value%0A%20%20%20%20for%20value%20in%20hmap.values%28%29%3A%0A%20%20%20%20%20%20%20%20print%28value%29&codeDivHeight=800&codeDivWidth=600&cumulative=false&curInstr=8&heapPrimitives=nevernest&origin=opt-frontend.js&py=311&rawInputLstJSON=%5B%5D&textReferences=false" target="_blank" rel="noopener noreferrer">全螢幕觀看 ></a></div></p>
|
||
</details>
|
||
<h2 id="612">6.1.2 雜湊表簡單實現<a class="headerlink" href="#612" title="Permanent link">¶</a></h2>
|
||
<p>我們先考慮最簡單的情況，<strong>僅用一個陣列來實現雜湊表</strong>。在雜湊表中，我們將陣列中的每個空位稱為<u>桶（bucket）</u>，每個桶可儲存一個鍵值對。因此，查詢操作就是找到 <code>key</code> 對應的桶，並在桶中獲取 <code>value</code> 。</p>
|
||
<p>那麼，如何基於 <code>key</code> 定位對應的桶呢？這是透過<u>雜湊函式（hash function）</u>實現的。雜湊函式的作用是將一個較大的輸入空間對映到一個較小的輸出空間。在雜湊表中，輸入空間是所有 <code>key</code> ，輸出空間是所有桶（陣列索引）。換句話說，輸入一個 <code>key</code> ，<strong>我們可以透過雜湊函式得到該 <code>key</code> 對應的鍵值對在陣列中的儲存位置</strong>。</p>
|
||
<p>輸入一個 <code>key</code> ，雜湊函式的計算過程分為以下兩步。</p>
|
||
<ol>
|
||
<li>透過某種雜湊演算法 <code>hash()</code> 計算得到雜湊值。</li>
|
||
<li>將雜湊值對桶數量（陣列長度）<code>capacity</code> 取模，從而獲取該 <code>key</code> 對應的陣列索引 <code>index</code> 。</li>
|
||
</ol>
|
||
<div class="highlight"><pre><span></span><code><a id="__codelineno-28-1" name="__codelineno-28-1" href="#__codelineno-28-1"></a><span class="nv">index</span><span class="w"> </span><span class="o">=</span><span class="w"> </span>hash<span class="o">(</span>key<span class="o">)</span><span class="w"> </span>%<span class="w"> </span>capacity
|
||
</code></pre></div>
|
||
<p>隨後，我們就可以利用 <code>index</code> 在雜湊表中訪問對應的桶，從而獲取 <code>value</code> 。</p>
|
||
<p>設陣列長度 <code>capacity = 100</code>、雜湊演算法 <code>hash(key) = key</code> ，易得雜湊函式為 <code>key % 100</code> 。圖 6-2 以 <code>key</code> 學號和 <code>value</code> 姓名為例，展示了雜湊函式的工作原理。</p>
|
||
<p><a class="glightbox" href="../hash_map.assets/hash_function.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="雜湊函式工作原理" class="animation-figure" src="../hash_map.assets/hash_function.png" /></a></p>
|
||
<p align="center"> 圖 6-2 雜湊函式工作原理 </p>
|
||
|
||
<p>以下程式碼實現了一個簡單雜湊表。其中，我們將 <code>key</code> 和 <code>value</code> 封裝成一個類別 <code>Pair</code> ，以表示鍵值對。</p>
|
||
<div class="tabbed-set tabbed-alternate" data-tabs="3:14"><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" /><input id="__tabbed_3_11" name="__tabbed_3" type="radio" /><input id="__tabbed_3_12" name="__tabbed_3" type="radio" /><input id="__tabbed_3_13" name="__tabbed_3" type="radio" /><input id="__tabbed_3_14" name="__tabbed_3" type="radio" /><div class="tabbed-labels"><label for="__tabbed_3_1">Python</label><label for="__tabbed_3_2">C++</label><label for="__tabbed_3_3">Java</label><label for="__tabbed_3_4">C#</label><label for="__tabbed_3_5">Go</label><label for="__tabbed_3_6">Swift</label><label for="__tabbed_3_7">JS</label><label for="__tabbed_3_8">TS</label><label for="__tabbed_3_9">Dart</label><label for="__tabbed_3_10">Rust</label><label for="__tabbed_3_11">C</label><label for="__tabbed_3_12">Kotlin</label><label for="__tabbed_3_13">Ruby</label><label for="__tabbed_3_14">Zig</label></div>
|
||
<div class="tabbed-content">
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">array_hash_map.py</span><pre><span></span><code><a id="__codelineno-29-1" name="__codelineno-29-1" href="#__codelineno-29-1"></a><span class="k">class</span> <span class="nc">Pair</span><span class="p">:</span>
|
||
<a id="__codelineno-29-2" name="__codelineno-29-2" href="#__codelineno-29-2"></a><span class="w"> </span><span class="sd">"""鍵值對"""</span>
|
||
<a id="__codelineno-29-3" name="__codelineno-29-3" href="#__codelineno-29-3"></a>
|
||
<a id="__codelineno-29-4" name="__codelineno-29-4" href="#__codelineno-29-4"></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-29-5" name="__codelineno-29-5" href="#__codelineno-29-5"></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-29-6" name="__codelineno-29-6" href="#__codelineno-29-6"></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-29-7" name="__codelineno-29-7" href="#__codelineno-29-7"></a>
|
||
<a id="__codelineno-29-8" name="__codelineno-29-8" href="#__codelineno-29-8"></a><span class="k">class</span> <span class="nc">ArrayHashMap</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="sd">"""基於陣列實現的雜湊表"""</span>
|
||
<a id="__codelineno-29-10" name="__codelineno-29-10" href="#__codelineno-29-10"></a>
|
||
<a id="__codelineno-29-11" name="__codelineno-29-11" href="#__codelineno-29-11"></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-29-12" name="__codelineno-29-12" href="#__codelineno-29-12"></a><span class="w"> </span><span class="sd">"""建構子"""</span>
|
||
<a id="__codelineno-29-13" name="__codelineno-29-13" href="#__codelineno-29-13"></a> <span class="c1"># 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-29-14" name="__codelineno-29-14" href="#__codelineno-29-14"></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">Pair</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-29-15" name="__codelineno-29-15" href="#__codelineno-29-15"></a>
|
||
<a id="__codelineno-29-16" name="__codelineno-29-16" href="#__codelineno-29-16"></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-29-17" name="__codelineno-29-17" href="#__codelineno-29-17"></a><span class="w"> </span><span class="sd">"""雜湊函式"""</span>
|
||
<a id="__codelineno-29-18" name="__codelineno-29-18" href="#__codelineno-29-18"></a> <span class="n">index</span> <span class="o">=</span> <span class="n">key</span> <span class="o">%</span> <span class="mi">100</span>
|
||
<a id="__codelineno-29-19" name="__codelineno-29-19" href="#__codelineno-29-19"></a> <span class="k">return</span> <span class="n">index</span>
|
||
<a id="__codelineno-29-20" name="__codelineno-29-20" href="#__codelineno-29-20"></a>
|
||
<a id="__codelineno-29-21" name="__codelineno-29-21" href="#__codelineno-29-21"></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-29-22" name="__codelineno-29-22" href="#__codelineno-29-22"></a><span class="w"> </span><span class="sd">"""查詢操作"""</span>
|
||
<a id="__codelineno-29-23" name="__codelineno-29-23" href="#__codelineno-29-23"></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-29-24" name="__codelineno-29-24" href="#__codelineno-29-24"></a> <span class="n">pair</span><span class="p">:</span> <span class="n">Pair</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-29-25" name="__codelineno-29-25" href="#__codelineno-29-25"></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-29-26" name="__codelineno-29-26" href="#__codelineno-29-26"></a> <span class="k">return</span> <span class="kc">None</span>
|
||
<a id="__codelineno-29-27" name="__codelineno-29-27" href="#__codelineno-29-27"></a> <span class="k">return</span> <span class="n">pair</span><span class="o">.</span><span class="n">val</span>
|
||
<a id="__codelineno-29-28" name="__codelineno-29-28" href="#__codelineno-29-28"></a>
|
||
<a id="__codelineno-29-29" name="__codelineno-29-29" href="#__codelineno-29-29"></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>
|
||
<a id="__codelineno-29-30" name="__codelineno-29-30" href="#__codelineno-29-30"></a><span class="w"> </span><span class="sd">"""新增操作"""</span>
|
||
<a id="__codelineno-29-31" name="__codelineno-29-31" href="#__codelineno-29-31"></a> <span class="n">pair</span> <span class="o">=</span> <span class="n">Pair</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">val</span><span class="p">)</span>
|
||
<a id="__codelineno-29-32" name="__codelineno-29-32" href="#__codelineno-29-32"></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-29-33" name="__codelineno-29-33" href="#__codelineno-29-33"></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-29-34" name="__codelineno-29-34" href="#__codelineno-29-34"></a>
|
||
<a id="__codelineno-29-35" name="__codelineno-29-35" href="#__codelineno-29-35"></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>
|
||
<a id="__codelineno-29-36" name="__codelineno-29-36" href="#__codelineno-29-36"></a><span class="w"> </span><span class="sd">"""刪除操作"""</span>
|
||
<a id="__codelineno-29-37" name="__codelineno-29-37" href="#__codelineno-29-37"></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-29-38" name="__codelineno-29-38" href="#__codelineno-29-38"></a> <span class="c1"># 置為 None ，代表刪除</span>
|
||
<a id="__codelineno-29-39" name="__codelineno-29-39" href="#__codelineno-29-39"></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-29-40" name="__codelineno-29-40" href="#__codelineno-29-40"></a>
|
||
<a id="__codelineno-29-41" name="__codelineno-29-41" href="#__codelineno-29-41"></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">Pair</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="sd">"""獲取所有鍵值對"""</span>
|
||
<a id="__codelineno-29-43" name="__codelineno-29-43" href="#__codelineno-29-43"></a> <span class="n">result</span><span class="p">:</span> <span class="nb">list</span><span class="p">[</span><span class="n">Pair</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
|
||
<a id="__codelineno-29-44" name="__codelineno-29-44" href="#__codelineno-29-44"></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-29-45" name="__codelineno-29-45" href="#__codelineno-29-45"></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-29-46" name="__codelineno-29-46" href="#__codelineno-29-46"></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-29-47" name="__codelineno-29-47" href="#__codelineno-29-47"></a> <span class="k">return</span> <span class="n">result</span>
|
||
<a id="__codelineno-29-48" name="__codelineno-29-48" href="#__codelineno-29-48"></a>
|
||
<a id="__codelineno-29-49" name="__codelineno-29-49" href="#__codelineno-29-49"></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-29-50" name="__codelineno-29-50" href="#__codelineno-29-50"></a><span class="w"> </span><span class="sd">"""獲取所有鍵"""</span>
|
||
<a id="__codelineno-29-51" name="__codelineno-29-51" href="#__codelineno-29-51"></a> <span class="n">result</span> <span class="o">=</span> <span class="p">[]</span>
|
||
<a id="__codelineno-29-52" name="__codelineno-29-52" href="#__codelineno-29-52"></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-29-53" name="__codelineno-29-53" href="#__codelineno-29-53"></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-29-54" name="__codelineno-29-54" href="#__codelineno-29-54"></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-29-55" name="__codelineno-29-55" href="#__codelineno-29-55"></a> <span class="k">return</span> <span class="n">result</span>
|
||
<a id="__codelineno-29-56" name="__codelineno-29-56" href="#__codelineno-29-56"></a>
|
||
<a id="__codelineno-29-57" name="__codelineno-29-57" href="#__codelineno-29-57"></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-29-58" name="__codelineno-29-58" href="#__codelineno-29-58"></a><span class="w"> </span><span class="sd">"""獲取所有值"""</span>
|
||
<a id="__codelineno-29-59" name="__codelineno-29-59" href="#__codelineno-29-59"></a> <span class="n">result</span> <span class="o">=</span> <span class="p">[]</span>
|
||
<a id="__codelineno-29-60" name="__codelineno-29-60" href="#__codelineno-29-60"></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-29-61" name="__codelineno-29-61" href="#__codelineno-29-61"></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-29-62" name="__codelineno-29-62" href="#__codelineno-29-62"></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-29-63" name="__codelineno-29-63" href="#__codelineno-29-63"></a> <span class="k">return</span> <span class="n">result</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="k">def</span> <span class="nf">print</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||
<a id="__codelineno-29-66" name="__codelineno-29-66" href="#__codelineno-29-66"></a><span class="w"> </span><span class="sd">"""列印雜湊表"""</span>
|
||
<a id="__codelineno-29-67" name="__codelineno-29-67" href="#__codelineno-29-67"></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-29-68" name="__codelineno-29-68" href="#__codelineno-29-68"></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-29-69" name="__codelineno-29-69" href="#__codelineno-29-69"></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>
|
||
</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-30-1" name="__codelineno-30-1" href="#__codelineno-30-1"></a><span class="cm">/* 鍵值對 */</span>
|
||
<a id="__codelineno-30-2" name="__codelineno-30-2" href="#__codelineno-30-2"></a><span class="k">struct</span><span class="w"> </span><span class="nc">Pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-30-3" name="__codelineno-30-3" href="#__codelineno-30-3"></a><span class="w"> </span><span class="k">public</span><span class="o">:</span>
|
||
<a id="__codelineno-30-4" name="__codelineno-30-4" href="#__codelineno-30-4"></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-30-5" name="__codelineno-30-5" href="#__codelineno-30-5"></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-30-6" name="__codelineno-30-6" href="#__codelineno-30-6"></a><span class="w"> </span><span class="n">Pair</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-30-7" name="__codelineno-30-7" href="#__codelineno-30-7"></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-30-8" name="__codelineno-30-8" href="#__codelineno-30-8"></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-30-9" name="__codelineno-30-9" href="#__codelineno-30-9"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-10" name="__codelineno-30-10" href="#__codelineno-30-10"></a><span class="p">};</span>
|
||
<a id="__codelineno-30-11" name="__codelineno-30-11" href="#__codelineno-30-11"></a>
|
||
<a id="__codelineno-30-12" name="__codelineno-30-12" href="#__codelineno-30-12"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-30-13" name="__codelineno-30-13" href="#__codelineno-30-13"></a><span class="k">class</span><span class="w"> </span><span class="nc">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-30-14" name="__codelineno-30-14" href="#__codelineno-30-14"></a><span class="w"> </span><span class="k">private</span><span class="o">:</span>
|
||
<a id="__codelineno-30-15" name="__codelineno-30-15" href="#__codelineno-30-15"></a><span class="w"> </span><span class="n">vector</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>
|
||
<a id="__codelineno-30-16" name="__codelineno-30-16" href="#__codelineno-30-16"></a>
|
||
<a id="__codelineno-30-17" name="__codelineno-30-17" href="#__codelineno-30-17"></a><span class="w"> </span><span class="k">public</span><span class="o">:</span>
|
||
<a id="__codelineno-30-18" name="__codelineno-30-18" href="#__codelineno-30-18"></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-30-19" name="__codelineno-30-19" href="#__codelineno-30-19"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-30-20" name="__codelineno-30-20" href="#__codelineno-30-20"></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">Pair</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-30-21" name="__codelineno-30-21" href="#__codelineno-30-21"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-22" name="__codelineno-30-22" href="#__codelineno-30-22"></a>
|
||
<a id="__codelineno-30-23" name="__codelineno-30-23" href="#__codelineno-30-23"></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-30-24" name="__codelineno-30-24" href="#__codelineno-30-24"></a><span class="w"> </span><span class="c1">// 釋放記憶體</span>
|
||
<a id="__codelineno-30-25" name="__codelineno-30-25" href="#__codelineno-30-25"></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-30-26" name="__codelineno-30-26" href="#__codelineno-30-26"></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-30-27" name="__codelineno-30-27" href="#__codelineno-30-27"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-28" name="__codelineno-30-28" href="#__codelineno-30-28"></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-30-29" name="__codelineno-30-29" href="#__codelineno-30-29"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-30" name="__codelineno-30-30" href="#__codelineno-30-30"></a>
|
||
<a id="__codelineno-30-31" name="__codelineno-30-31" href="#__codelineno-30-31"></a><span class="w"> </span><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-30-32" name="__codelineno-30-32" href="#__codelineno-30-32"></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-30-33" name="__codelineno-30-33" href="#__codelineno-30-33"></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-30-34" name="__codelineno-30-34" href="#__codelineno-30-34"></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-30-35" name="__codelineno-30-35" href="#__codelineno-30-35"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-36" name="__codelineno-30-36" href="#__codelineno-30-36"></a>
|
||
<a id="__codelineno-30-37" name="__codelineno-30-37" href="#__codelineno-30-37"></a><span class="w"> </span><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-30-38" name="__codelineno-30-38" href="#__codelineno-30-38"></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-30-39" name="__codelineno-30-39" href="#__codelineno-30-39"></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-30-40" name="__codelineno-30-40" href="#__codelineno-30-40"></a><span class="w"> </span><span class="n">Pair</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-30-41" name="__codelineno-30-41" href="#__codelineno-30-41"></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-30-42" name="__codelineno-30-42" href="#__codelineno-30-42"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="s">""</span><span class="p">;</span>
|
||
<a id="__codelineno-30-43" name="__codelineno-30-43" href="#__codelineno-30-43"></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-30-44" name="__codelineno-30-44" href="#__codelineno-30-44"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-45" name="__codelineno-30-45" href="#__codelineno-30-45"></a>
|
||
<a id="__codelineno-30-46" name="__codelineno-30-46" href="#__codelineno-30-46"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-30-47" name="__codelineno-30-47" href="#__codelineno-30-47"></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-30-48" name="__codelineno-30-48" href="#__codelineno-30-48"></a><span class="w"> </span><span class="n">Pair</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">Pair</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-30-49" name="__codelineno-30-49" href="#__codelineno-30-49"></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-30-50" name="__codelineno-30-50" href="#__codelineno-30-50"></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-30-51" name="__codelineno-30-51" href="#__codelineno-30-51"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-52" name="__codelineno-30-52" href="#__codelineno-30-52"></a>
|
||
<a id="__codelineno-30-53" name="__codelineno-30-53" href="#__codelineno-30-53"></a><span class="w"> </span><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-30-54" name="__codelineno-30-54" href="#__codelineno-30-54"></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-30-55" name="__codelineno-30-55" href="#__codelineno-30-55"></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-30-56" name="__codelineno-30-56" href="#__codelineno-30-56"></a><span class="w"> </span><span class="c1">// 釋放記憶體並置為 nullptr</span>
|
||
<a id="__codelineno-30-57" name="__codelineno-30-57" href="#__codelineno-30-57"></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-30-58" name="__codelineno-30-58" href="#__codelineno-30-58"></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-30-59" name="__codelineno-30-59" href="#__codelineno-30-59"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-60" name="__codelineno-30-60" href="#__codelineno-30-60"></a>
|
||
<a id="__codelineno-30-61" name="__codelineno-30-61" href="#__codelineno-30-61"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-30-62" name="__codelineno-30-62" href="#__codelineno-30-62"></a><span class="w"> </span><span class="n">vector</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">pairSet</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-30-63" name="__codelineno-30-63" href="#__codelineno-30-63"></a><span class="w"> </span><span class="n">vector</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">pairSet</span><span class="p">;</span>
|
||
<a id="__codelineno-30-64" name="__codelineno-30-64" href="#__codelineno-30-64"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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-30-65" name="__codelineno-30-65" href="#__codelineno-30-65"></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-30-66" name="__codelineno-30-66" href="#__codelineno-30-66"></a><span class="w"> </span><span class="n">pairSet</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-30-67" name="__codelineno-30-67" href="#__codelineno-30-67"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-68" name="__codelineno-30-68" href="#__codelineno-30-68"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-69" name="__codelineno-30-69" href="#__codelineno-30-69"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">pairSet</span><span class="p">;</span>
|
||
<a id="__codelineno-30-70" name="__codelineno-30-70" href="#__codelineno-30-70"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-71" name="__codelineno-30-71" href="#__codelineno-30-71"></a>
|
||
<a id="__codelineno-30-72" name="__codelineno-30-72" href="#__codelineno-30-72"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-30-73" name="__codelineno-30-73" href="#__codelineno-30-73"></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-30-74" name="__codelineno-30-74" href="#__codelineno-30-74"></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-30-75" name="__codelineno-30-75" href="#__codelineno-30-75"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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-30-76" name="__codelineno-30-76" href="#__codelineno-30-76"></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-30-77" name="__codelineno-30-77" href="#__codelineno-30-77"></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-30-78" name="__codelineno-30-78" href="#__codelineno-30-78"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-79" name="__codelineno-30-79" href="#__codelineno-30-79"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-80" name="__codelineno-30-80" href="#__codelineno-30-80"></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-30-81" name="__codelineno-30-81" href="#__codelineno-30-81"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-82" name="__codelineno-30-82" href="#__codelineno-30-82"></a>
|
||
<a id="__codelineno-30-83" name="__codelineno-30-83" href="#__codelineno-30-83"></a><span class="w"> </span><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-30-84" name="__codelineno-30-84" href="#__codelineno-30-84"></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-30-85" name="__codelineno-30-85" href="#__codelineno-30-85"></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-30-86" name="__codelineno-30-86" href="#__codelineno-30-86"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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-30-87" name="__codelineno-30-87" href="#__codelineno-30-87"></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-30-88" name="__codelineno-30-88" href="#__codelineno-30-88"></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-30-89" name="__codelineno-30-89" href="#__codelineno-30-89"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-90" name="__codelineno-30-90" href="#__codelineno-30-90"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-91" name="__codelineno-30-91" href="#__codelineno-30-91"></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-30-92" name="__codelineno-30-92" href="#__codelineno-30-92"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-93" name="__codelineno-30-93" href="#__codelineno-30-93"></a>
|
||
<a id="__codelineno-30-94" name="__codelineno-30-94" href="#__codelineno-30-94"></a><span class="w"> </span><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-30-95" name="__codelineno-30-95" href="#__codelineno-30-95"></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-30-96" name="__codelineno-30-96" href="#__codelineno-30-96"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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">pairSet</span><span class="p">())</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-30-97" name="__codelineno-30-97" href="#__codelineno-30-97"></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-30-98" name="__codelineno-30-98" href="#__codelineno-30-98"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-99" name="__codelineno-30-99" href="#__codelineno-30-99"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-30-100" name="__codelineno-30-100" href="#__codelineno-30-100"></a><span class="p">};</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">array_hash_map.java</span><pre><span></span><code><a id="__codelineno-31-1" name="__codelineno-31-1" href="#__codelineno-31-1"></a><span class="cm">/* 鍵值對 */</span>
|
||
<a id="__codelineno-31-2" name="__codelineno-31-2" href="#__codelineno-31-2"></a><span class="kd">class</span> <span class="nc">Pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-31-3" name="__codelineno-31-3" href="#__codelineno-31-3"></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-31-4" name="__codelineno-31-4" href="#__codelineno-31-4"></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>
|
||
<a id="__codelineno-31-5" name="__codelineno-31-5" href="#__codelineno-31-5"></a>
|
||
<a id="__codelineno-31-6" name="__codelineno-31-6" href="#__codelineno-31-6"></a><span class="w"> </span><span class="kd">public</span><span class="w"> </span><span class="nf">Pair</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-31-7" name="__codelineno-31-7" href="#__codelineno-31-7"></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-31-8" name="__codelineno-31-8" href="#__codelineno-31-8"></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-31-9" name="__codelineno-31-9" href="#__codelineno-31-9"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-10" name="__codelineno-31-10" href="#__codelineno-31-10"></a><span class="p">}</span>
|
||
<a id="__codelineno-31-11" name="__codelineno-31-11" href="#__codelineno-31-11"></a>
|
||
<a id="__codelineno-31-12" name="__codelineno-31-12" href="#__codelineno-31-12"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-31-13" name="__codelineno-31-13" href="#__codelineno-31-13"></a><span class="kd">class</span> <span class="nc">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-31-14" name="__codelineno-31-14" href="#__codelineno-31-14"></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">Pair</span><span class="o">></span><span class="w"> </span><span class="n">buckets</span><span class="p">;</span>
|
||
<a id="__codelineno-31-15" name="__codelineno-31-15" href="#__codelineno-31-15"></a>
|
||
<a id="__codelineno-31-16" name="__codelineno-31-16" href="#__codelineno-31-16"></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-31-17" name="__codelineno-31-17" href="#__codelineno-31-17"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-31-18" name="__codelineno-31-18" href="#__codelineno-31-18"></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-31-19" name="__codelineno-31-19" href="#__codelineno-31-19"></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-31-20" name="__codelineno-31-20" href="#__codelineno-31-20"></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-31-21" name="__codelineno-31-21" href="#__codelineno-31-21"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-22" name="__codelineno-31-22" href="#__codelineno-31-22"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-23" name="__codelineno-31-23" href="#__codelineno-31-23"></a>
|
||
<a id="__codelineno-31-24" name="__codelineno-31-24" href="#__codelineno-31-24"></a><span class="w"> </span><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-31-25" name="__codelineno-31-25" href="#__codelineno-31-25"></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-31-26" name="__codelineno-31-26" href="#__codelineno-31-26"></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-31-27" name="__codelineno-31-27" href="#__codelineno-31-27"></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-31-28" name="__codelineno-31-28" href="#__codelineno-31-28"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-29" name="__codelineno-31-29" href="#__codelineno-31-29"></a>
|
||
<a id="__codelineno-31-30" name="__codelineno-31-30" href="#__codelineno-31-30"></a><span class="w"> </span><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-31-31" name="__codelineno-31-31" href="#__codelineno-31-31"></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-31-32" name="__codelineno-31-32" href="#__codelineno-31-32"></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-31-33" name="__codelineno-31-33" href="#__codelineno-31-33"></a><span class="w"> </span><span class="n">Pair</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-31-34" name="__codelineno-31-34" href="#__codelineno-31-34"></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-31-35" name="__codelineno-31-35" href="#__codelineno-31-35"></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-31-36" name="__codelineno-31-36" href="#__codelineno-31-36"></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-31-37" name="__codelineno-31-37" href="#__codelineno-31-37"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-38" name="__codelineno-31-38" href="#__codelineno-31-38"></a>
|
||
<a id="__codelineno-31-39" name="__codelineno-31-39" href="#__codelineno-31-39"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-31-40" name="__codelineno-31-40" href="#__codelineno-31-40"></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-31-41" name="__codelineno-31-41" href="#__codelineno-31-41"></a><span class="w"> </span><span class="n">Pair</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">Pair</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-31-42" name="__codelineno-31-42" href="#__codelineno-31-42"></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-31-43" name="__codelineno-31-43" href="#__codelineno-31-43"></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-31-44" name="__codelineno-31-44" href="#__codelineno-31-44"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-45" name="__codelineno-31-45" href="#__codelineno-31-45"></a>
|
||
<a id="__codelineno-31-46" name="__codelineno-31-46" href="#__codelineno-31-46"></a><span class="w"> </span><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-31-47" name="__codelineno-31-47" href="#__codelineno-31-47"></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-31-48" name="__codelineno-31-48" href="#__codelineno-31-48"></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-31-49" name="__codelineno-31-49" href="#__codelineno-31-49"></a><span class="w"> </span><span class="c1">// 置為 null ，代表刪除</span>
|
||
<a id="__codelineno-31-50" name="__codelineno-31-50" href="#__codelineno-31-50"></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-31-51" name="__codelineno-31-51" href="#__codelineno-31-51"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-52" name="__codelineno-31-52" href="#__codelineno-31-52"></a>
|
||
<a id="__codelineno-31-53" name="__codelineno-31-53" href="#__codelineno-31-53"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-31-54" name="__codelineno-31-54" href="#__codelineno-31-54"></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">Pair</span><span class="o">></span><span class="w"> </span><span class="nf">pairSet</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-31-55" name="__codelineno-31-55" href="#__codelineno-31-55"></a><span class="w"> </span><span class="n">List</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="w"> </span><span class="n">pairSet</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-31-56" name="__codelineno-31-56" href="#__codelineno-31-56"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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-31-57" name="__codelineno-31-57" href="#__codelineno-31-57"></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-31-58" name="__codelineno-31-58" href="#__codelineno-31-58"></a><span class="w"> </span><span class="n">pairSet</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-31-59" name="__codelineno-31-59" href="#__codelineno-31-59"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-60" name="__codelineno-31-60" href="#__codelineno-31-60"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">pairSet</span><span class="p">;</span>
|
||
<a id="__codelineno-31-61" name="__codelineno-31-61" href="#__codelineno-31-61"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-62" name="__codelineno-31-62" href="#__codelineno-31-62"></a>
|
||
<a id="__codelineno-31-63" name="__codelineno-31-63" href="#__codelineno-31-63"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-31-64" name="__codelineno-31-64" href="#__codelineno-31-64"></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-31-65" name="__codelineno-31-65" href="#__codelineno-31-65"></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-31-66" name="__codelineno-31-66" href="#__codelineno-31-66"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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-31-67" name="__codelineno-31-67" href="#__codelineno-31-67"></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-31-68" name="__codelineno-31-68" href="#__codelineno-31-68"></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-31-69" name="__codelineno-31-69" href="#__codelineno-31-69"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-70" name="__codelineno-31-70" href="#__codelineno-31-70"></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-31-71" name="__codelineno-31-71" href="#__codelineno-31-71"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-72" name="__codelineno-31-72" href="#__codelineno-31-72"></a>
|
||
<a id="__codelineno-31-73" name="__codelineno-31-73" href="#__codelineno-31-73"></a><span class="w"> </span><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-31-74" name="__codelineno-31-74" href="#__codelineno-31-74"></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-31-75" name="__codelineno-31-75" href="#__codelineno-31-75"></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-31-76" name="__codelineno-31-76" href="#__codelineno-31-76"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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-31-77" name="__codelineno-31-77" href="#__codelineno-31-77"></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-31-78" name="__codelineno-31-78" href="#__codelineno-31-78"></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-31-79" name="__codelineno-31-79" href="#__codelineno-31-79"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-80" name="__codelineno-31-80" href="#__codelineno-31-80"></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-31-81" name="__codelineno-31-81" href="#__codelineno-31-81"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-82" name="__codelineno-31-82" href="#__codelineno-31-82"></a>
|
||
<a id="__codelineno-31-83" name="__codelineno-31-83" href="#__codelineno-31-83"></a><span class="w"> </span><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-31-84" name="__codelineno-31-84" href="#__codelineno-31-84"></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-31-85" name="__codelineno-31-85" href="#__codelineno-31-85"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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">pairSet</span><span class="p">())</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-31-86" name="__codelineno-31-86" href="#__codelineno-31-86"></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-31-87" name="__codelineno-31-87" href="#__codelineno-31-87"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-88" name="__codelineno-31-88" href="#__codelineno-31-88"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-31-89" name="__codelineno-31-89" href="#__codelineno-31-89"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">array_hash_map.cs</span><pre><span></span><code><a id="__codelineno-32-1" name="__codelineno-32-1" href="#__codelineno-32-1"></a><span class="cm">/* 鍵值對 int->string */</span>
|
||
<a id="__codelineno-32-2" name="__codelineno-32-2" href="#__codelineno-32-2"></a><span class="k">class</span><span class="w"> </span><span class="nf">Pair</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-3" name="__codelineno-32-3" href="#__codelineno-32-3"></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="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">key</span><span class="p">;</span>
|
||
<a id="__codelineno-32-4" name="__codelineno-32-4" href="#__codelineno-32-4"></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="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">val</span><span class="p">;</span>
|
||
<a id="__codelineno-32-5" name="__codelineno-32-5" href="#__codelineno-32-5"></a><span class="p">}</span>
|
||
<a id="__codelineno-32-6" name="__codelineno-32-6" href="#__codelineno-32-6"></a>
|
||
<a id="__codelineno-32-7" name="__codelineno-32-7" href="#__codelineno-32-7"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-32-8" name="__codelineno-32-8" href="#__codelineno-32-8"></a><span class="k">class</span><span class="w"> </span><span class="nc">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-9" name="__codelineno-32-9" href="#__codelineno-32-9"></a><span class="w"> </span><span class="n">List</span><span class="o"><</span><span class="n">Pair</span><span class="o">?></span><span class="w"> </span><span class="n">buckets</span><span class="p">;</span>
|
||
<a id="__codelineno-32-10" name="__codelineno-32-10" href="#__codelineno-32-10"></a><span class="w"> </span><span class="k">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-32-11" name="__codelineno-32-11" href="#__codelineno-32-11"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-32-12" name="__codelineno-32-12" href="#__codelineno-32-12"></a><span class="w"> </span><span class="n">buckets</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[];</span>
|
||
<a id="__codelineno-32-13" name="__codelineno-32-13" href="#__codelineno-32-13"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-14" name="__codelineno-32-14" href="#__codelineno-32-14"></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>
|
||
<a id="__codelineno-32-15" name="__codelineno-32-15" href="#__codelineno-32-15"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-16" name="__codelineno-32-16" href="#__codelineno-32-16"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-17" name="__codelineno-32-17" href="#__codelineno-32-17"></a>
|
||
<a id="__codelineno-32-18" name="__codelineno-32-18" href="#__codelineno-32-18"></a><span class="w"> </span><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-32-19" name="__codelineno-32-19" href="#__codelineno-32-19"></a><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-32-20" name="__codelineno-32-20" href="#__codelineno-32-20"></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-32-21" name="__codelineno-32-21" href="#__codelineno-32-21"></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-32-22" name="__codelineno-32-22" href="#__codelineno-32-22"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-23" name="__codelineno-32-23" href="#__codelineno-32-23"></a>
|
||
<a id="__codelineno-32-24" name="__codelineno-32-24" href="#__codelineno-32-24"></a><span class="w"> </span><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-32-25" name="__codelineno-32-25" href="#__codelineno-32-25"></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">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-32-26" name="__codelineno-32-26" href="#__codelineno-32-26"></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">HashFunc</span><span class="p">(</span><span class="n">key</span><span class="p">);</span>
|
||
<a id="__codelineno-32-27" name="__codelineno-32-27" href="#__codelineno-32-27"></a><span class="w"> </span><span class="n">Pair</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>
|
||
<a id="__codelineno-32-28" name="__codelineno-32-28" href="#__codelineno-32-28"></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-32-29" name="__codelineno-32-29" href="#__codelineno-32-29"></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-32-30" name="__codelineno-32-30" href="#__codelineno-32-30"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-31" name="__codelineno-32-31" href="#__codelineno-32-31"></a>
|
||
<a id="__codelineno-32-32" name="__codelineno-32-32" href="#__codelineno-32-32"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-32-33" name="__codelineno-32-33" href="#__codelineno-32-33"></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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-34" name="__codelineno-32-34" href="#__codelineno-32-34"></a><span class="w"> </span><span class="n">Pair</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="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-32-35" name="__codelineno-32-35" href="#__codelineno-32-35"></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-32-36" name="__codelineno-32-36" href="#__codelineno-32-36"></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-32-37" name="__codelineno-32-37" href="#__codelineno-32-37"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-38" name="__codelineno-32-38" href="#__codelineno-32-38"></a>
|
||
<a id="__codelineno-32-39" name="__codelineno-32-39" href="#__codelineno-32-39"></a><span class="w"> </span><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-32-40" name="__codelineno-32-40" href="#__codelineno-32-40"></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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-41" name="__codelineno-32-41" href="#__codelineno-32-41"></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-32-42" name="__codelineno-32-42" href="#__codelineno-32-42"></a><span class="w"> </span><span class="c1">// 置為 null ，代表刪除</span>
|
||
<a id="__codelineno-32-43" name="__codelineno-32-43" href="#__codelineno-32-43"></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>
|
||
<a id="__codelineno-32-44" name="__codelineno-32-44" href="#__codelineno-32-44"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-45" name="__codelineno-32-45" href="#__codelineno-32-45"></a>
|
||
<a id="__codelineno-32-46" name="__codelineno-32-46" href="#__codelineno-32-46"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-32-47" name="__codelineno-32-47" href="#__codelineno-32-47"></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">Pair</span><span class="o">></span><span class="w"> </span><span class="n">PairSet</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-48" name="__codelineno-32-48" href="#__codelineno-32-48"></a><span class="w"> </span><span class="n">List</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="w"> </span><span class="n">pairSet</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[];</span>
|
||
<a id="__codelineno-32-49" name="__codelineno-32-49" href="#__codelineno-32-49"></a><span class="w"> </span><span class="k">foreach</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-50" name="__codelineno-32-50" href="#__codelineno-32-50"></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-32-51" name="__codelineno-32-51" href="#__codelineno-32-51"></a><span class="w"> </span><span class="n">pairSet</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-32-52" name="__codelineno-32-52" href="#__codelineno-32-52"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-53" name="__codelineno-32-53" href="#__codelineno-32-53"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">pairSet</span><span class="p">;</span>
|
||
<a id="__codelineno-32-54" name="__codelineno-32-54" href="#__codelineno-32-54"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-55" name="__codelineno-32-55" href="#__codelineno-32-55"></a>
|
||
<a id="__codelineno-32-56" name="__codelineno-32-56" href="#__codelineno-32-56"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-32-57" name="__codelineno-32-57" href="#__codelineno-32-57"></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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-58" name="__codelineno-32-58" href="#__codelineno-32-58"></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="p">[];</span>
|
||
<a id="__codelineno-32-59" name="__codelineno-32-59" href="#__codelineno-32-59"></a><span class="w"> </span><span class="k">foreach</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-60" name="__codelineno-32-60" href="#__codelineno-32-60"></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-32-61" name="__codelineno-32-61" href="#__codelineno-32-61"></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-32-62" name="__codelineno-32-62" href="#__codelineno-32-62"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-63" name="__codelineno-32-63" href="#__codelineno-32-63"></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-32-64" name="__codelineno-32-64" href="#__codelineno-32-64"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-65" name="__codelineno-32-65" href="#__codelineno-32-65"></a>
|
||
<a id="__codelineno-32-66" name="__codelineno-32-66" href="#__codelineno-32-66"></a><span class="w"> </span><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-32-67" name="__codelineno-32-67" href="#__codelineno-32-67"></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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-68" name="__codelineno-32-68" href="#__codelineno-32-68"></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="p">[];</span>
|
||
<a id="__codelineno-32-69" name="__codelineno-32-69" href="#__codelineno-32-69"></a><span class="w"> </span><span class="k">foreach</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-70" name="__codelineno-32-70" href="#__codelineno-32-70"></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-32-71" name="__codelineno-32-71" href="#__codelineno-32-71"></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-32-72" name="__codelineno-32-72" href="#__codelineno-32-72"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-73" name="__codelineno-32-73" href="#__codelineno-32-73"></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-32-74" name="__codelineno-32-74" href="#__codelineno-32-74"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-75" name="__codelineno-32-75" href="#__codelineno-32-75"></a>
|
||
<a id="__codelineno-32-76" name="__codelineno-32-76" href="#__codelineno-32-76"></a><span class="w"> </span><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-32-77" name="__codelineno-32-77" href="#__codelineno-32-77"></a><span class="w"> </span><span class="k">public</span><span class="w"> </span><span class="k">void</span><span class="w"> </span><span class="nf">Print</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-78" name="__codelineno-32-78" href="#__codelineno-32-78"></a><span class="w"> </span><span class="k">foreach</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</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">PairSet</span><span class="p">())</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-32-79" name="__codelineno-32-79" href="#__codelineno-32-79"></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-32-80" name="__codelineno-32-80" href="#__codelineno-32-80"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-81" name="__codelineno-32-81" href="#__codelineno-32-81"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-32-82" name="__codelineno-32-82" href="#__codelineno-32-82"></a><span class="p">}</span>
|
||
</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-33-1" name="__codelineno-33-1" href="#__codelineno-33-1"></a><span class="cm">/* 鍵值對 */</span>
|
||
<a id="__codelineno-33-2" name="__codelineno-33-2" href="#__codelineno-33-2"></a><span class="kd">type</span><span class="w"> </span><span class="nx">pair</span><span class="w"> </span><span class="kd">struct</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-33-3" name="__codelineno-33-3" href="#__codelineno-33-3"></a><span class="w"> </span><span class="nx">key</span><span class="w"> </span><span class="kt">int</span>
|
||
<a id="__codelineno-33-4" name="__codelineno-33-4" href="#__codelineno-33-4"></a><span class="w"> </span><span class="nx">val</span><span class="w"> </span><span class="kt">string</span>
|
||
<a id="__codelineno-33-5" name="__codelineno-33-5" href="#__codelineno-33-5"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-6" name="__codelineno-33-6" href="#__codelineno-33-6"></a>
|
||
<a id="__codelineno-33-7" name="__codelineno-33-7" href="#__codelineno-33-7"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-33-8" name="__codelineno-33-8" href="#__codelineno-33-8"></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>
|
||
<a id="__codelineno-33-9" name="__codelineno-33-9" href="#__codelineno-33-9"></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">pair</span>
|
||
<a id="__codelineno-33-10" name="__codelineno-33-10" href="#__codelineno-33-10"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-11" name="__codelineno-33-11" href="#__codelineno-33-11"></a>
|
||
<a id="__codelineno-33-12" name="__codelineno-33-12" href="#__codelineno-33-12"></a><span class="cm">/* 初始化雜湊表 */</span>
|
||
<a id="__codelineno-33-13" name="__codelineno-33-13" href="#__codelineno-33-13"></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>
|
||
<a id="__codelineno-33-14" name="__codelineno-33-14" href="#__codelineno-33-14"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-33-15" name="__codelineno-33-15" href="#__codelineno-33-15"></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">pair</span><span class="p">,</span><span class="w"> </span><span class="mi">100</span><span class="p">)</span>
|
||
<a id="__codelineno-33-16" name="__codelineno-33-16" href="#__codelineno-33-16"></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>
|
||
<a id="__codelineno-33-17" name="__codelineno-33-17" href="#__codelineno-33-17"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-18" name="__codelineno-33-18" href="#__codelineno-33-18"></a>
|
||
<a id="__codelineno-33-19" name="__codelineno-33-19" href="#__codelineno-33-19"></a><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-33-20" name="__codelineno-33-20" href="#__codelineno-33-20"></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-33-21" name="__codelineno-33-21" href="#__codelineno-33-21"></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-33-22" name="__codelineno-33-22" href="#__codelineno-33-22"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">index</span>
|
||
<a id="__codelineno-33-23" name="__codelineno-33-23" href="#__codelineno-33-23"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-24" name="__codelineno-33-24" href="#__codelineno-33-24"></a>
|
||
<a id="__codelineno-33-25" name="__codelineno-33-25" href="#__codelineno-33-25"></a><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-33-26" name="__codelineno-33-26" href="#__codelineno-33-26"></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-33-27" name="__codelineno-33-27" href="#__codelineno-33-27"></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>
|
||
<a id="__codelineno-33-28" name="__codelineno-33-28" href="#__codelineno-33-28"></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>
|
||
<a id="__codelineno-33-29" name="__codelineno-33-29" href="#__codelineno-33-29"></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-33-30" name="__codelineno-33-30" href="#__codelineno-33-30"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="s">"Not Found"</span>
|
||
<a id="__codelineno-33-31" name="__codelineno-33-31" href="#__codelineno-33-31"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-33-32" name="__codelineno-33-32" href="#__codelineno-33-32"></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-33-33" name="__codelineno-33-33" href="#__codelineno-33-33"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-34" name="__codelineno-33-34" href="#__codelineno-33-34"></a>
|
||
<a id="__codelineno-33-35" name="__codelineno-33-35" href="#__codelineno-33-35"></a><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-33-36" name="__codelineno-33-36" href="#__codelineno-33-36"></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-33-37" name="__codelineno-33-37" href="#__codelineno-33-37"></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">pair</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-33-38" name="__codelineno-33-38" href="#__codelineno-33-38"></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>
|
||
<a id="__codelineno-33-39" name="__codelineno-33-39" href="#__codelineno-33-39"></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>
|
||
<a id="__codelineno-33-40" name="__codelineno-33-40" href="#__codelineno-33-40"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-41" name="__codelineno-33-41" href="#__codelineno-33-41"></a>
|
||
<a id="__codelineno-33-42" name="__codelineno-33-42" href="#__codelineno-33-42"></a><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-33-43" name="__codelineno-33-43" href="#__codelineno-33-43"></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-33-44" name="__codelineno-33-44" href="#__codelineno-33-44"></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-33-45" name="__codelineno-33-45" href="#__codelineno-33-45"></a><span class="w"> </span><span class="c1">// 置為 nil ，代表刪除</span>
|
||
<a id="__codelineno-33-46" name="__codelineno-33-46" href="#__codelineno-33-46"></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>
|
||
<a id="__codelineno-33-47" name="__codelineno-33-47" href="#__codelineno-33-47"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-48" name="__codelineno-33-48" href="#__codelineno-33-48"></a>
|
||
<a id="__codelineno-33-49" name="__codelineno-33-49" href="#__codelineno-33-49"></a><span class="cm">/* 獲取所有鍵對 */</span>
|
||
<a id="__codelineno-33-50" name="__codelineno-33-50" href="#__codelineno-33-50"></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">pairSet</span><span class="p">()</span><span class="w"> </span><span class="p">[]</span><span class="o">*</span><span class="nx">pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-33-51" name="__codelineno-33-51" href="#__codelineno-33-51"></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">pair</span>
|
||
<a id="__codelineno-33-52" name="__codelineno-33-52" href="#__codelineno-33-52"></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>
|
||
<a id="__codelineno-33-53" name="__codelineno-33-53" href="#__codelineno-33-53"></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-33-54" name="__codelineno-33-54" href="#__codelineno-33-54"></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-33-55" name="__codelineno-33-55" href="#__codelineno-33-55"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-33-56" name="__codelineno-33-56" href="#__codelineno-33-56"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-33-57" name="__codelineno-33-57" href="#__codelineno-33-57"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">pairs</span>
|
||
<a id="__codelineno-33-58" name="__codelineno-33-58" href="#__codelineno-33-58"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-59" name="__codelineno-33-59" href="#__codelineno-33-59"></a>
|
||
<a id="__codelineno-33-60" name="__codelineno-33-60" href="#__codelineno-33-60"></a><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-33-61" name="__codelineno-33-61" href="#__codelineno-33-61"></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-33-62" name="__codelineno-33-62" href="#__codelineno-33-62"></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>
|
||
<a id="__codelineno-33-63" name="__codelineno-33-63" href="#__codelineno-33-63"></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>
|
||
<a id="__codelineno-33-64" name="__codelineno-33-64" href="#__codelineno-33-64"></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-33-65" name="__codelineno-33-65" href="#__codelineno-33-65"></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-33-66" name="__codelineno-33-66" href="#__codelineno-33-66"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-33-67" name="__codelineno-33-67" href="#__codelineno-33-67"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-33-68" name="__codelineno-33-68" href="#__codelineno-33-68"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">keys</span>
|
||
<a id="__codelineno-33-69" name="__codelineno-33-69" href="#__codelineno-33-69"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-70" name="__codelineno-33-70" href="#__codelineno-33-70"></a>
|
||
<a id="__codelineno-33-71" name="__codelineno-33-71" href="#__codelineno-33-71"></a><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-33-72" name="__codelineno-33-72" href="#__codelineno-33-72"></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-33-73" name="__codelineno-33-73" href="#__codelineno-33-73"></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>
|
||
<a id="__codelineno-33-74" name="__codelineno-33-74" href="#__codelineno-33-74"></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>
|
||
<a id="__codelineno-33-75" name="__codelineno-33-75" href="#__codelineno-33-75"></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-33-76" name="__codelineno-33-76" href="#__codelineno-33-76"></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-33-77" name="__codelineno-33-77" href="#__codelineno-33-77"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-33-78" name="__codelineno-33-78" href="#__codelineno-33-78"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-33-79" name="__codelineno-33-79" href="#__codelineno-33-79"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">values</span>
|
||
<a id="__codelineno-33-80" name="__codelineno-33-80" href="#__codelineno-33-80"></a><span class="p">}</span>
|
||
<a id="__codelineno-33-81" name="__codelineno-33-81" href="#__codelineno-33-81"></a>
|
||
<a id="__codelineno-33-82" name="__codelineno-33-82" href="#__codelineno-33-82"></a><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-33-83" name="__codelineno-33-83" href="#__codelineno-33-83"></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>
|
||
<a id="__codelineno-33-84" name="__codelineno-33-84" href="#__codelineno-33-84"></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>
|
||
<a id="__codelineno-33-85" name="__codelineno-33-85" href="#__codelineno-33-85"></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-33-86" name="__codelineno-33-86" href="#__codelineno-33-86"></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-33-87" name="__codelineno-33-87" href="#__codelineno-33-87"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-33-88" name="__codelineno-33-88" href="#__codelineno-33-88"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-33-89" name="__codelineno-33-89" href="#__codelineno-33-89"></a><span class="p">}</span>
|
||
</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-34-1" name="__codelineno-34-1" href="#__codelineno-34-1"></a><span class="cm">/* 鍵值對 */</span>
|
||
<a id="__codelineno-34-2" name="__codelineno-34-2" href="#__codelineno-34-2"></a><span class="kd">class</span> <span class="nc">Pair</span><span class="p">:</span> <span class="nb">Equatable</span> <span class="p">{</span>
|
||
<a id="__codelineno-34-3" name="__codelineno-34-3" href="#__codelineno-34-3"></a> <span class="kd">public</span> <span class="kd">var</span> <span class="nv">key</span><span class="p">:</span> <span class="nb">Int</span>
|
||
<a id="__codelineno-34-4" name="__codelineno-34-4" href="#__codelineno-34-4"></a> <span class="kd">public</span> <span class="kd">var</span> <span class="nv">val</span><span class="p">:</span> <span class="nb">String</span>
|
||
<a id="__codelineno-34-5" name="__codelineno-34-5" href="#__codelineno-34-5"></a>
|
||
<a id="__codelineno-34-6" name="__codelineno-34-6" href="#__codelineno-34-6"></a> <span class="kd">public</span> <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-34-7" name="__codelineno-34-7" href="#__codelineno-34-7"></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-34-8" name="__codelineno-34-8" href="#__codelineno-34-8"></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-34-9" name="__codelineno-34-9" href="#__codelineno-34-9"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-10" name="__codelineno-34-10" href="#__codelineno-34-10"></a>
|
||
<a id="__codelineno-34-11" name="__codelineno-34-11" href="#__codelineno-34-11"></a> <span class="kd">public</span> <span class="kd">static</span> <span class="kd">func</span> <span class="p">==</span> <span class="p">(</span><span class="n">lhs</span><span class="p">:</span> <span class="n">Pair</span><span class="p">,</span> <span class="n">rhs</span><span class="p">:</span> <span class="n">Pair</span><span class="p">)</span> <span class="p">-></span> <span class="nb">Bool</span> <span class="p">{</span>
|
||
<a id="__codelineno-34-12" name="__codelineno-34-12" href="#__codelineno-34-12"></a> <span class="n">lhs</span><span class="p">.</span><span class="n">key</span> <span class="p">==</span> <span class="n">rhs</span><span class="p">.</span><span class="n">key</span> <span class="o">&&</span> <span class="n">lhs</span><span class="p">.</span><span class="n">val</span> <span class="p">==</span> <span class="n">rhs</span><span class="p">.</span><span class="n">val</span>
|
||
<a id="__codelineno-34-13" name="__codelineno-34-13" href="#__codelineno-34-13"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-14" name="__codelineno-34-14" href="#__codelineno-34-14"></a><span class="p">}</span>
|
||
<a id="__codelineno-34-15" name="__codelineno-34-15" href="#__codelineno-34-15"></a>
|
||
<a id="__codelineno-34-16" name="__codelineno-34-16" href="#__codelineno-34-16"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-34-17" name="__codelineno-34-17" href="#__codelineno-34-17"></a><span class="kd">class</span> <span class="nc">ArrayHashMap</span> <span class="p">{</span>
|
||
<a id="__codelineno-34-18" name="__codelineno-34-18" href="#__codelineno-34-18"></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">Pair</span><span class="p">?]</span>
|
||
<a id="__codelineno-34-19" name="__codelineno-34-19" href="#__codelineno-34-19"></a>
|
||
<a id="__codelineno-34-20" name="__codelineno-34-20" href="#__codelineno-34-20"></a> <span class="kd">init</span><span class="p">()</span> <span class="p">{</span>
|
||
<a id="__codelineno-34-21" name="__codelineno-34-21" href="#__codelineno-34-21"></a> <span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-34-22" name="__codelineno-34-22" href="#__codelineno-34-22"></a> <span class="n">buckets</span> <span class="p">=</span> <span class="nb">Array</span><span class="p">(</span><span class="n">repeating</span><span class="p">:</span> <span class="kc">nil</span><span class="p">,</span> <span class="bp">count</span><span class="p">:</span> <span class="mi">100</span><span class="p">)</span>
|
||
<a id="__codelineno-34-23" name="__codelineno-34-23" href="#__codelineno-34-23"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-24" name="__codelineno-34-24" href="#__codelineno-34-24"></a>
|
||
<a id="__codelineno-34-25" name="__codelineno-34-25" href="#__codelineno-34-25"></a> <span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-34-26" name="__codelineno-34-26" href="#__codelineno-34-26"></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-34-27" name="__codelineno-34-27" href="#__codelineno-34-27"></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-34-28" name="__codelineno-34-28" href="#__codelineno-34-28"></a> <span class="k">return</span> <span class="n">index</span>
|
||
<a id="__codelineno-34-29" name="__codelineno-34-29" href="#__codelineno-34-29"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-30" name="__codelineno-34-30" href="#__codelineno-34-30"></a>
|
||
<a id="__codelineno-34-31" name="__codelineno-34-31" href="#__codelineno-34-31"></a> <span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-34-32" name="__codelineno-34-32" href="#__codelineno-34-32"></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-34-33" name="__codelineno-34-33" href="#__codelineno-34-33"></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-34-34" name="__codelineno-34-34" href="#__codelineno-34-34"></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>
|
||
<a id="__codelineno-34-35" name="__codelineno-34-35" href="#__codelineno-34-35"></a> <span class="k">return</span> <span class="n">pair</span><span class="p">?.</span><span class="n">val</span>
|
||
<a id="__codelineno-34-36" name="__codelineno-34-36" href="#__codelineno-34-36"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-37" name="__codelineno-34-37" href="#__codelineno-34-37"></a>
|
||
<a id="__codelineno-34-38" name="__codelineno-34-38" href="#__codelineno-34-38"></a> <span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-34-39" name="__codelineno-34-39" href="#__codelineno-34-39"></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-34-40" name="__codelineno-34-40" href="#__codelineno-34-40"></a> <span class="kd">let</span> <span class="nv">pair</span> <span class="p">=</span> <span class="n">Pair</span><span class="p">(</span><span class="n">key</span><span class="p">:</span> <span class="n">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-34-41" name="__codelineno-34-41" href="#__codelineno-34-41"></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-34-42" name="__codelineno-34-42" href="#__codelineno-34-42"></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>
|
||
<a id="__codelineno-34-43" name="__codelineno-34-43" href="#__codelineno-34-43"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-44" name="__codelineno-34-44" href="#__codelineno-34-44"></a>
|
||
<a id="__codelineno-34-45" name="__codelineno-34-45" href="#__codelineno-34-45"></a> <span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-34-46" name="__codelineno-34-46" href="#__codelineno-34-46"></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-34-47" name="__codelineno-34-47" href="#__codelineno-34-47"></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-34-48" name="__codelineno-34-48" href="#__codelineno-34-48"></a> <span class="c1">// 置為 nil ，代表刪除</span>
|
||
<a id="__codelineno-34-49" name="__codelineno-34-49" href="#__codelineno-34-49"></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>
|
||
<a id="__codelineno-34-50" name="__codelineno-34-50" href="#__codelineno-34-50"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-51" name="__codelineno-34-51" href="#__codelineno-34-51"></a>
|
||
<a id="__codelineno-34-52" name="__codelineno-34-52" href="#__codelineno-34-52"></a> <span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-34-53" name="__codelineno-34-53" href="#__codelineno-34-53"></a> <span class="kd">func</span> <span class="nf">pairSet</span><span class="p">()</span> <span class="p">-></span> <span class="p">[</span><span class="n">Pair</span><span class="p">]</span> <span class="p">{</span>
|
||
<a id="__codelineno-34-54" name="__codelineno-34-54" href="#__codelineno-34-54"></a> <span class="n">buckets</span><span class="p">.</span><span class="n">compactMap</span> <span class="p">{</span> <span class="nv">$0</span> <span class="p">}</span>
|
||
<a id="__codelineno-34-55" name="__codelineno-34-55" href="#__codelineno-34-55"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-56" name="__codelineno-34-56" href="#__codelineno-34-56"></a>
|
||
<a id="__codelineno-34-57" name="__codelineno-34-57" href="#__codelineno-34-57"></a> <span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-34-58" name="__codelineno-34-58" href="#__codelineno-34-58"></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-34-59" name="__codelineno-34-59" href="#__codelineno-34-59"></a> <span class="n">buckets</span><span class="p">.</span><span class="n">compactMap</span> <span class="p">{</span> <span class="nv">$0</span><span class="p">?.</span><span class="n">key</span> <span class="p">}</span>
|
||
<a id="__codelineno-34-60" name="__codelineno-34-60" href="#__codelineno-34-60"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-61" name="__codelineno-34-61" href="#__codelineno-34-61"></a>
|
||
<a id="__codelineno-34-62" name="__codelineno-34-62" href="#__codelineno-34-62"></a> <span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-34-63" name="__codelineno-34-63" href="#__codelineno-34-63"></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-34-64" name="__codelineno-34-64" href="#__codelineno-34-64"></a> <span class="n">buckets</span><span class="p">.</span><span class="n">compactMap</span> <span class="p">{</span> <span class="nv">$0</span><span class="p">?.</span><span class="n">val</span> <span class="p">}</span>
|
||
<a id="__codelineno-34-65" name="__codelineno-34-65" href="#__codelineno-34-65"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-66" name="__codelineno-34-66" href="#__codelineno-34-66"></a>
|
||
<a id="__codelineno-34-67" name="__codelineno-34-67" href="#__codelineno-34-67"></a> <span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-34-68" name="__codelineno-34-68" href="#__codelineno-34-68"></a> <span class="kd">func</span> <span class="nf">print</span><span class="p">()</span> <span class="p">{</span>
|
||
<a id="__codelineno-34-69" name="__codelineno-34-69" href="#__codelineno-34-69"></a> <span class="k">for</span> <span class="n">pair</span> <span class="k">in</span> <span class="n">pairSet</span><span class="p">()</span> <span class="p">{</span>
|
||
<a id="__codelineno-34-70" name="__codelineno-34-70" href="#__codelineno-34-70"></a> <span class="n">Swift</span><span class="p">.</span><span class="bp">print</span><span class="p">(</span><span class="s">"</span><span class="si">\(</span><span class="n">pair</span><span class="p">.</span><span class="n">key</span><span class="si">)</span><span class="s"> -> </span><span class="si">\(</span><span class="n">pair</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-34-71" name="__codelineno-34-71" href="#__codelineno-34-71"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-72" name="__codelineno-34-72" href="#__codelineno-34-72"></a> <span class="p">}</span>
|
||
<a id="__codelineno-34-73" name="__codelineno-34-73" href="#__codelineno-34-73"></a><span class="p">}</span>
|
||
</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-35-1" name="__codelineno-35-1" href="#__codelineno-35-1"></a><span class="cm">/* 鍵值對 Number -> String */</span>
|
||
<a id="__codelineno-35-2" name="__codelineno-35-2" href="#__codelineno-35-2"></a><span class="kd">class</span><span class="w"> </span><span class="nx">Pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-35-3" name="__codelineno-35-3" href="#__codelineno-35-3"></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-35-4" name="__codelineno-35-4" href="#__codelineno-35-4"></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-35-5" name="__codelineno-35-5" href="#__codelineno-35-5"></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-35-6" name="__codelineno-35-6" href="#__codelineno-35-6"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-7" name="__codelineno-35-7" href="#__codelineno-35-7"></a><span class="p">}</span>
|
||
<a id="__codelineno-35-8" name="__codelineno-35-8" href="#__codelineno-35-8"></a>
|
||
<a id="__codelineno-35-9" name="__codelineno-35-9" href="#__codelineno-35-9"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-35-10" name="__codelineno-35-10" href="#__codelineno-35-10"></a><span class="kd">class</span><span class="w"> </span><span class="nx">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-35-11" name="__codelineno-35-11" href="#__codelineno-35-11"></a><span class="w"> </span><span class="err">#</span><span class="nx">buckets</span><span class="p">;</span>
|
||
<a id="__codelineno-35-12" name="__codelineno-35-12" href="#__codelineno-35-12"></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-35-13" name="__codelineno-35-13" href="#__codelineno-35-13"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-35-14" name="__codelineno-35-14" href="#__codelineno-35-14"></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>
|
||
<a id="__codelineno-35-15" name="__codelineno-35-15" href="#__codelineno-35-15"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-16" name="__codelineno-35-16" href="#__codelineno-35-16"></a>
|
||
<a id="__codelineno-35-17" name="__codelineno-35-17" href="#__codelineno-35-17"></a><span class="w"> </span><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-35-18" name="__codelineno-35-18" href="#__codelineno-35-18"></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-35-19" name="__codelineno-35-19" href="#__codelineno-35-19"></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-35-20" name="__codelineno-35-20" href="#__codelineno-35-20"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-21" name="__codelineno-35-21" href="#__codelineno-35-21"></a>
|
||
<a id="__codelineno-35-22" name="__codelineno-35-22" href="#__codelineno-35-22"></a><span class="w"> </span><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-35-23" name="__codelineno-35-23" href="#__codelineno-35-23"></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-35-24" name="__codelineno-35-24" href="#__codelineno-35-24"></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>
|
||
<a id="__codelineno-35-25" name="__codelineno-35-25" href="#__codelineno-35-25"></a><span class="w"> </span><span class="kd">let</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">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>
|
||
<a id="__codelineno-35-26" name="__codelineno-35-26" href="#__codelineno-35-26"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">pair</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-35-27" name="__codelineno-35-27" href="#__codelineno-35-27"></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><span class="p">;</span>
|
||
<a id="__codelineno-35-28" name="__codelineno-35-28" href="#__codelineno-35-28"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-29" name="__codelineno-35-29" href="#__codelineno-35-29"></a>
|
||
<a id="__codelineno-35-30" name="__codelineno-35-30" href="#__codelineno-35-30"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-35-31" name="__codelineno-35-31" href="#__codelineno-35-31"></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-35-32" name="__codelineno-35-32" href="#__codelineno-35-32"></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>
|
||
<a id="__codelineno-35-33" name="__codelineno-35-33" href="#__codelineno-35-33"></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">Pair</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-35-34" name="__codelineno-35-34" href="#__codelineno-35-34"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-35" name="__codelineno-35-35" href="#__codelineno-35-35"></a>
|
||
<a id="__codelineno-35-36" name="__codelineno-35-36" href="#__codelineno-35-36"></a><span class="w"> </span><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-35-37" name="__codelineno-35-37" href="#__codelineno-35-37"></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-35-38" name="__codelineno-35-38" href="#__codelineno-35-38"></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-35-39" name="__codelineno-35-39" href="#__codelineno-35-39"></a><span class="w"> </span><span class="c1">// 置為 null ，代表刪除</span>
|
||
<a id="__codelineno-35-40" name="__codelineno-35-40" href="#__codelineno-35-40"></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>
|
||
<a id="__codelineno-35-41" name="__codelineno-35-41" href="#__codelineno-35-41"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-42" name="__codelineno-35-42" href="#__codelineno-35-42"></a>
|
||
<a id="__codelineno-35-43" name="__codelineno-35-43" href="#__codelineno-35-43"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-35-44" name="__codelineno-35-44" href="#__codelineno-35-44"></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-35-45" name="__codelineno-35-45" href="#__codelineno-35-45"></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>
|
||
<a id="__codelineno-35-46" name="__codelineno-35-46" href="#__codelineno-35-46"></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-35-47" name="__codelineno-35-47" href="#__codelineno-35-47"></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-35-48" name="__codelineno-35-48" href="#__codelineno-35-48"></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>
|
||
<a id="__codelineno-35-49" name="__codelineno-35-49" href="#__codelineno-35-49"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-50" name="__codelineno-35-50" href="#__codelineno-35-50"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-51" name="__codelineno-35-51" href="#__codelineno-35-51"></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-35-52" name="__codelineno-35-52" href="#__codelineno-35-52"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-53" name="__codelineno-35-53" href="#__codelineno-35-53"></a>
|
||
<a id="__codelineno-35-54" name="__codelineno-35-54" href="#__codelineno-35-54"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-35-55" name="__codelineno-35-55" href="#__codelineno-35-55"></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-35-56" name="__codelineno-35-56" href="#__codelineno-35-56"></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>
|
||
<a id="__codelineno-35-57" name="__codelineno-35-57" href="#__codelineno-35-57"></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-35-58" name="__codelineno-35-58" href="#__codelineno-35-58"></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-35-59" name="__codelineno-35-59" href="#__codelineno-35-59"></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="nx">key</span><span class="p">);</span>
|
||
<a id="__codelineno-35-60" name="__codelineno-35-60" href="#__codelineno-35-60"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-61" name="__codelineno-35-61" href="#__codelineno-35-61"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-62" name="__codelineno-35-62" href="#__codelineno-35-62"></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-35-63" name="__codelineno-35-63" href="#__codelineno-35-63"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-64" name="__codelineno-35-64" href="#__codelineno-35-64"></a>
|
||
<a id="__codelineno-35-65" name="__codelineno-35-65" href="#__codelineno-35-65"></a><span class="w"> </span><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-35-66" name="__codelineno-35-66" href="#__codelineno-35-66"></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-35-67" name="__codelineno-35-67" href="#__codelineno-35-67"></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>
|
||
<a id="__codelineno-35-68" name="__codelineno-35-68" href="#__codelineno-35-68"></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-35-69" name="__codelineno-35-69" href="#__codelineno-35-69"></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-35-70" name="__codelineno-35-70" href="#__codelineno-35-70"></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="nx">val</span><span class="p">);</span>
|
||
<a id="__codelineno-35-71" name="__codelineno-35-71" href="#__codelineno-35-71"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-72" name="__codelineno-35-72" href="#__codelineno-35-72"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-73" name="__codelineno-35-73" href="#__codelineno-35-73"></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-35-74" name="__codelineno-35-74" href="#__codelineno-35-74"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-75" name="__codelineno-35-75" href="#__codelineno-35-75"></a>
|
||
<a id="__codelineno-35-76" name="__codelineno-35-76" href="#__codelineno-35-76"></a><span class="w"> </span><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-35-77" name="__codelineno-35-77" href="#__codelineno-35-77"></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-35-78" name="__codelineno-35-78" href="#__codelineno-35-78"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="nx">pairSet</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-35-79" name="__codelineno-35-79" href="#__codelineno-35-79"></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">pair</span><span class="w"> </span><span class="k">of</span><span class="w"> </span><span class="nx">pairSet</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-35-80" name="__codelineno-35-80" href="#__codelineno-35-80"></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">${</span><span class="nx">pair</span><span class="p">.</span><span class="nx">key</span><span class="si">}</span><span class="sb"> -> </span><span class="si">${</span><span class="nx">pair</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-35-81" name="__codelineno-35-81" href="#__codelineno-35-81"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-82" name="__codelineno-35-82" href="#__codelineno-35-82"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-35-83" name="__codelineno-35-83" href="#__codelineno-35-83"></a><span class="p">}</span>
|
||
</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-36-1" name="__codelineno-36-1" href="#__codelineno-36-1"></a><span class="cm">/* 鍵值對 Number -> String */</span>
|
||
<a id="__codelineno-36-2" name="__codelineno-36-2" href="#__codelineno-36-2"></a><span class="kd">class</span><span class="w"> </span><span class="nx">Pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-36-3" name="__codelineno-36-3" href="#__codelineno-36-3"></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-36-4" name="__codelineno-36-4" href="#__codelineno-36-4"></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>
|
||
<a id="__codelineno-36-5" name="__codelineno-36-5" href="#__codelineno-36-5"></a>
|
||
<a id="__codelineno-36-6" name="__codelineno-36-6" href="#__codelineno-36-6"></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-36-7" name="__codelineno-36-7" href="#__codelineno-36-7"></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-36-8" name="__codelineno-36-8" href="#__codelineno-36-8"></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-36-9" name="__codelineno-36-9" href="#__codelineno-36-9"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-10" name="__codelineno-36-10" href="#__codelineno-36-10"></a><span class="p">}</span>
|
||
<a id="__codelineno-36-11" name="__codelineno-36-11" href="#__codelineno-36-11"></a>
|
||
<a id="__codelineno-36-12" name="__codelineno-36-12" href="#__codelineno-36-12"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-36-13" name="__codelineno-36-13" href="#__codelineno-36-13"></a><span class="kd">class</span><span class="w"> </span><span class="nx">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-36-14" name="__codelineno-36-14" href="#__codelineno-36-14"></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">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-36-15" name="__codelineno-36-15" href="#__codelineno-36-15"></a>
|
||
<a id="__codelineno-36-16" name="__codelineno-36-16" href="#__codelineno-36-16"></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-36-17" name="__codelineno-36-17" href="#__codelineno-36-17"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-36-18" name="__codelineno-36-18" href="#__codelineno-36-18"></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-36-19" name="__codelineno-36-19" href="#__codelineno-36-19"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-20" name="__codelineno-36-20" href="#__codelineno-36-20"></a>
|
||
<a id="__codelineno-36-21" name="__codelineno-36-21" href="#__codelineno-36-21"></a><span class="w"> </span><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-36-22" name="__codelineno-36-22" href="#__codelineno-36-22"></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-36-23" name="__codelineno-36-23" href="#__codelineno-36-23"></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-36-24" name="__codelineno-36-24" href="#__codelineno-36-24"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-25" name="__codelineno-36-25" href="#__codelineno-36-25"></a>
|
||
<a id="__codelineno-36-26" name="__codelineno-36-26" href="#__codelineno-36-26"></a><span class="w"> </span><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-36-27" name="__codelineno-36-27" href="#__codelineno-36-27"></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-36-28" name="__codelineno-36-28" href="#__codelineno-36-28"></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-36-29" name="__codelineno-36-29" href="#__codelineno-36-29"></a><span class="w"> </span><span class="kd">let</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">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-36-30" name="__codelineno-36-30" href="#__codelineno-36-30"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">pair</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-36-31" name="__codelineno-36-31" href="#__codelineno-36-31"></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><span class="p">;</span>
|
||
<a id="__codelineno-36-32" name="__codelineno-36-32" href="#__codelineno-36-32"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-33" name="__codelineno-36-33" href="#__codelineno-36-33"></a>
|
||
<a id="__codelineno-36-34" name="__codelineno-36-34" href="#__codelineno-36-34"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-36-35" name="__codelineno-36-35" href="#__codelineno-36-35"></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-36-36" name="__codelineno-36-36" href="#__codelineno-36-36"></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-36-37" name="__codelineno-36-37" href="#__codelineno-36-37"></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">Pair</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-36-38" name="__codelineno-36-38" href="#__codelineno-36-38"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-39" name="__codelineno-36-39" href="#__codelineno-36-39"></a>
|
||
<a id="__codelineno-36-40" name="__codelineno-36-40" href="#__codelineno-36-40"></a><span class="w"> </span><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-36-41" name="__codelineno-36-41" href="#__codelineno-36-41"></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-36-42" name="__codelineno-36-42" href="#__codelineno-36-42"></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-36-43" name="__codelineno-36-43" href="#__codelineno-36-43"></a><span class="w"> </span><span class="c1">// 置為 null ，代表刪除</span>
|
||
<a id="__codelineno-36-44" name="__codelineno-36-44" href="#__codelineno-36-44"></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-36-45" name="__codelineno-36-45" href="#__codelineno-36-45"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-46" name="__codelineno-36-46" href="#__codelineno-36-46"></a>
|
||
<a id="__codelineno-36-47" name="__codelineno-36-47" href="#__codelineno-36-47"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-36-48" name="__codelineno-36-48" href="#__codelineno-36-48"></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">Pair</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-36-49" name="__codelineno-36-49" href="#__codelineno-36-49"></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">Pair</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-36-50" name="__codelineno-36-50" href="#__codelineno-36-50"></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-36-51" name="__codelineno-36-51" href="#__codelineno-36-51"></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-36-52" name="__codelineno-36-52" href="#__codelineno-36-52"></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-36-53" name="__codelineno-36-53" href="#__codelineno-36-53"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-54" name="__codelineno-36-54" href="#__codelineno-36-54"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-55" name="__codelineno-36-55" href="#__codelineno-36-55"></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-36-56" name="__codelineno-36-56" href="#__codelineno-36-56"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-57" name="__codelineno-36-57" href="#__codelineno-36-57"></a>
|
||
<a id="__codelineno-36-58" name="__codelineno-36-58" href="#__codelineno-36-58"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-36-59" name="__codelineno-36-59" href="#__codelineno-36-59"></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-36-60" name="__codelineno-36-60" href="#__codelineno-36-60"></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-36-61" name="__codelineno-36-61" href="#__codelineno-36-61"></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-36-62" name="__codelineno-36-62" href="#__codelineno-36-62"></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-36-63" name="__codelineno-36-63" href="#__codelineno-36-63"></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="nx">key</span><span class="p">);</span>
|
||
<a id="__codelineno-36-64" name="__codelineno-36-64" href="#__codelineno-36-64"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-65" name="__codelineno-36-65" href="#__codelineno-36-65"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-66" name="__codelineno-36-66" href="#__codelineno-36-66"></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-36-67" name="__codelineno-36-67" href="#__codelineno-36-67"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-68" name="__codelineno-36-68" href="#__codelineno-36-68"></a>
|
||
<a id="__codelineno-36-69" name="__codelineno-36-69" href="#__codelineno-36-69"></a><span class="w"> </span><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-36-70" name="__codelineno-36-70" href="#__codelineno-36-70"></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-36-71" name="__codelineno-36-71" href="#__codelineno-36-71"></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-36-72" name="__codelineno-36-72" href="#__codelineno-36-72"></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-36-73" name="__codelineno-36-73" href="#__codelineno-36-73"></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-36-74" name="__codelineno-36-74" href="#__codelineno-36-74"></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="nx">val</span><span class="p">);</span>
|
||
<a id="__codelineno-36-75" name="__codelineno-36-75" href="#__codelineno-36-75"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-76" name="__codelineno-36-76" href="#__codelineno-36-76"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-77" name="__codelineno-36-77" href="#__codelineno-36-77"></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-36-78" name="__codelineno-36-78" href="#__codelineno-36-78"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-79" name="__codelineno-36-79" href="#__codelineno-36-79"></a>
|
||
<a id="__codelineno-36-80" name="__codelineno-36-80" href="#__codelineno-36-80"></a><span class="w"> </span><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-36-81" name="__codelineno-36-81" href="#__codelineno-36-81"></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-36-82" name="__codelineno-36-82" href="#__codelineno-36-82"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="nx">pairSet</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-36-83" name="__codelineno-36-83" href="#__codelineno-36-83"></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">pair</span><span class="w"> </span><span class="k">of</span><span class="w"> </span><span class="nx">pairSet</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-36-84" name="__codelineno-36-84" href="#__codelineno-36-84"></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">${</span><span class="nx">pair</span><span class="p">.</span><span class="nx">key</span><span class="si">}</span><span class="sb"> -> </span><span class="si">${</span><span class="nx">pair</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-36-85" name="__codelineno-36-85" href="#__codelineno-36-85"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-86" name="__codelineno-36-86" href="#__codelineno-36-86"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-36-87" name="__codelineno-36-87" href="#__codelineno-36-87"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">array_hash_map.dart</span><pre><span></span><code><a id="__codelineno-37-1" name="__codelineno-37-1" href="#__codelineno-37-1"></a><span class="cm">/* 鍵值對 */</span>
|
||
<a id="__codelineno-37-2" name="__codelineno-37-2" href="#__codelineno-37-2"></a><span class="kd">class</span><span class="w"> </span><span class="nc">Pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-3" name="__codelineno-37-3" href="#__codelineno-37-3"></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-37-4" name="__codelineno-37-4" href="#__codelineno-37-4"></a><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-37-5" name="__codelineno-37-5" href="#__codelineno-37-5"></a><span class="w"> </span><span class="n">Pair</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="n">key</span><span class="p">,</span><span class="w"> </span><span class="k">this</span><span class="p">.</span><span class="n">val</span><span class="p">);</span>
|
||
<a id="__codelineno-37-6" name="__codelineno-37-6" href="#__codelineno-37-6"></a><span class="p">}</span>
|
||
<a id="__codelineno-37-7" name="__codelineno-37-7" href="#__codelineno-37-7"></a>
|
||
<a id="__codelineno-37-8" name="__codelineno-37-8" href="#__codelineno-37-8"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-37-9" name="__codelineno-37-9" href="#__codelineno-37-9"></a><span class="kd">class</span><span class="w"> </span><span class="nc">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-10" name="__codelineno-37-10" href="#__codelineno-37-10"></a><span class="w"> </span><span class="kd">late</span><span class="w"> </span><span class="n">List</span><span class="o"><</span><span class="n">Pair</span><span class="o">?></span><span class="w"> </span><span class="n">_buckets</span><span class="p">;</span>
|
||
<a id="__codelineno-37-11" name="__codelineno-37-11" href="#__codelineno-37-11"></a>
|
||
<a id="__codelineno-37-12" name="__codelineno-37-12" href="#__codelineno-37-12"></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-37-13" name="__codelineno-37-13" href="#__codelineno-37-13"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-37-14" name="__codelineno-37-14" href="#__codelineno-37-14"></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">List</span><span class="p">.</span><span class="n">filled</span><span class="p">(</span><span class="m">100</span><span class="p">,</span><span class="w"> </span><span class="kc">null</span><span class="p">);</span>
|
||
<a id="__codelineno-37-15" name="__codelineno-37-15" href="#__codelineno-37-15"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-16" name="__codelineno-37-16" href="#__codelineno-37-16"></a>
|
||
<a id="__codelineno-37-17" name="__codelineno-37-17" href="#__codelineno-37-17"></a><span class="w"> </span><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-37-18" name="__codelineno-37-18" href="#__codelineno-37-18"></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-37-19" name="__codelineno-37-19" href="#__codelineno-37-19"></a><span class="w"> </span><span class="kd">final</span><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-37-20" name="__codelineno-37-20" href="#__codelineno-37-20"></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-37-21" name="__codelineno-37-21" href="#__codelineno-37-21"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-22" name="__codelineno-37-22" href="#__codelineno-37-22"></a>
|
||
<a id="__codelineno-37-23" name="__codelineno-37-23" href="#__codelineno-37-23"></a><span class="w"> </span><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-37-24" name="__codelineno-37-24" href="#__codelineno-37-24"></a><span class="w"> </span><span class="kt">String</span><span class="o">?</span><span class="w"> </span><span class="kd">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-37-25" name="__codelineno-37-25" href="#__codelineno-37-25"></a><span class="w"> </span><span class="kd">final</span><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-37-26" name="__codelineno-37-26" href="#__codelineno-37-26"></a><span class="w"> </span><span class="kd">final</span><span class="w"> </span><span class="n">Pair</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>
|
||
<a id="__codelineno-37-27" name="__codelineno-37-27" href="#__codelineno-37-27"></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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-28" name="__codelineno-37-28" href="#__codelineno-37-28"></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-37-29" name="__codelineno-37-29" href="#__codelineno-37-29"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-30" name="__codelineno-37-30" href="#__codelineno-37-30"></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-37-31" name="__codelineno-37-31" href="#__codelineno-37-31"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-32" name="__codelineno-37-32" href="#__codelineno-37-32"></a>
|
||
<a id="__codelineno-37-33" name="__codelineno-37-33" href="#__codelineno-37-33"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-37-34" name="__codelineno-37-34" href="#__codelineno-37-34"></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="kt">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-37-35" name="__codelineno-37-35" href="#__codelineno-37-35"></a><span class="w"> </span><span class="kd">final</span><span class="w"> </span><span class="n">Pair</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">Pair</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-37-36" name="__codelineno-37-36" href="#__codelineno-37-36"></a><span class="w"> </span><span class="kd">final</span><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-37-37" name="__codelineno-37-37" href="#__codelineno-37-37"></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-37-38" name="__codelineno-37-38" href="#__codelineno-37-38"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-39" name="__codelineno-37-39" href="#__codelineno-37-39"></a>
|
||
<a id="__codelineno-37-40" name="__codelineno-37-40" href="#__codelineno-37-40"></a><span class="w"> </span><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-37-41" name="__codelineno-37-41" href="#__codelineno-37-41"></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-37-42" name="__codelineno-37-42" href="#__codelineno-37-42"></a><span class="w"> </span><span class="kd">final</span><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-37-43" name="__codelineno-37-43" href="#__codelineno-37-43"></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="kc">null</span><span class="p">;</span>
|
||
<a id="__codelineno-37-44" name="__codelineno-37-44" href="#__codelineno-37-44"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-45" name="__codelineno-37-45" href="#__codelineno-37-45"></a>
|
||
<a id="__codelineno-37-46" name="__codelineno-37-46" href="#__codelineno-37-46"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-37-47" name="__codelineno-37-47" href="#__codelineno-37-47"></a><span class="w"> </span><span class="n">List</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="w"> </span><span class="n">pairSet</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-48" name="__codelineno-37-48" href="#__codelineno-37-48"></a><span class="w"> </span><span class="n">List</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="w"> </span><span class="n">pairSet</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[];</span>
|
||
<a id="__codelineno-37-49" name="__codelineno-37-49" href="#__codelineno-37-49"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kd">final</span><span class="w"> </span><span class="n">Pair</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-50" name="__codelineno-37-50" href="#__codelineno-37-50"></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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-51" name="__codelineno-37-51" href="#__codelineno-37-51"></a><span class="w"> </span><span class="n">pairSet</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-37-52" name="__codelineno-37-52" href="#__codelineno-37-52"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-53" name="__codelineno-37-53" href="#__codelineno-37-53"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-54" name="__codelineno-37-54" href="#__codelineno-37-54"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">pairSet</span><span class="p">;</span>
|
||
<a id="__codelineno-37-55" name="__codelineno-37-55" href="#__codelineno-37-55"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-56" name="__codelineno-37-56" href="#__codelineno-37-56"></a>
|
||
<a id="__codelineno-37-57" name="__codelineno-37-57" href="#__codelineno-37-57"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-37-58" name="__codelineno-37-58" href="#__codelineno-37-58"></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="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-59" name="__codelineno-37-59" href="#__codelineno-37-59"></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="p">[];</span>
|
||
<a id="__codelineno-37-60" name="__codelineno-37-60" href="#__codelineno-37-60"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kd">final</span><span class="w"> </span><span class="n">Pair</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-61" name="__codelineno-37-61" href="#__codelineno-37-61"></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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-62" name="__codelineno-37-62" href="#__codelineno-37-62"></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-37-63" name="__codelineno-37-63" href="#__codelineno-37-63"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-64" name="__codelineno-37-64" href="#__codelineno-37-64"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-65" name="__codelineno-37-65" href="#__codelineno-37-65"></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-37-66" name="__codelineno-37-66" href="#__codelineno-37-66"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-67" name="__codelineno-37-67" href="#__codelineno-37-67"></a>
|
||
<a id="__codelineno-37-68" name="__codelineno-37-68" href="#__codelineno-37-68"></a><span class="w"> </span><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-37-69" name="__codelineno-37-69" href="#__codelineno-37-69"></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">values</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-70" name="__codelineno-37-70" href="#__codelineno-37-70"></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="p">[];</span>
|
||
<a id="__codelineno-37-71" name="__codelineno-37-71" href="#__codelineno-37-71"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kd">final</span><span class="w"> </span><span class="n">Pair</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-72" name="__codelineno-37-72" href="#__codelineno-37-72"></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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-73" name="__codelineno-37-73" href="#__codelineno-37-73"></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-37-74" name="__codelineno-37-74" href="#__codelineno-37-74"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-75" name="__codelineno-37-75" href="#__codelineno-37-75"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-76" name="__codelineno-37-76" href="#__codelineno-37-76"></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-37-77" name="__codelineno-37-77" href="#__codelineno-37-77"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-78" name="__codelineno-37-78" href="#__codelineno-37-78"></a>
|
||
<a id="__codelineno-37-79" name="__codelineno-37-79" href="#__codelineno-37-79"></a><span class="w"> </span><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-37-80" name="__codelineno-37-80" href="#__codelineno-37-80"></a><span class="w"> </span><span class="kt">void</span><span class="w"> </span><span class="n">printHashMap</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-81" name="__codelineno-37-81" href="#__codelineno-37-81"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kd">final</span><span class="w"> </span><span class="n">Pair</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">pairSet</span><span class="p">())</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-37-82" name="__codelineno-37-82" href="#__codelineno-37-82"></a><span class="w"> </span><span class="n">print</span><span class="p">(</span><span class="s2">"</span><span class="si">${</span><span class="n">kv</span><span class="p">.</span><span class="n">key</span><span class="si">}</span><span class="s2"> -> </span><span class="si">${</span><span class="n">kv</span><span class="p">.</span><span class="n">val</span><span class="si">}</span><span class="s2">"</span><span class="p">);</span>
|
||
<a id="__codelineno-37-83" name="__codelineno-37-83" href="#__codelineno-37-83"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-84" name="__codelineno-37-84" href="#__codelineno-37-84"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-37-85" name="__codelineno-37-85" href="#__codelineno-37-85"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">array_hash_map.rs</span><pre><span></span><code><a id="__codelineno-38-1" name="__codelineno-38-1" href="#__codelineno-38-1"></a><span class="cm">/* 鍵值對 */</span>
|
||
<a id="__codelineno-38-2" name="__codelineno-38-2" href="#__codelineno-38-2"></a><span class="cp">#[derive(Debug, Clone, PartialEq)]</span>
|
||
<a id="__codelineno-38-3" name="__codelineno-38-3" href="#__codelineno-38-3"></a><span class="k">pub</span><span class="w"> </span><span class="k">struct</span> <span class="nc">Pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-4" name="__codelineno-38-4" href="#__codelineno-38-4"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="n">key</span>: <span class="kt">i32</span><span class="p">,</span>
|
||
<a id="__codelineno-38-5" name="__codelineno-38-5" href="#__codelineno-38-5"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="n">val</span>: <span class="nb">String</span><span class="p">,</span>
|
||
<a id="__codelineno-38-6" name="__codelineno-38-6" href="#__codelineno-38-6"></a><span class="p">}</span>
|
||
<a id="__codelineno-38-7" name="__codelineno-38-7" href="#__codelineno-38-7"></a>
|
||
<a id="__codelineno-38-8" name="__codelineno-38-8" href="#__codelineno-38-8"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-38-9" name="__codelineno-38-9" href="#__codelineno-38-9"></a><span class="k">pub</span><span class="w"> </span><span class="k">struct</span> <span class="nc">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-10" name="__codelineno-38-10" href="#__codelineno-38-10"></a><span class="w"> </span><span class="n">buckets</span>: <span class="nb">Vec</span><span class="o"><</span><span class="nb">Option</span><span class="o"><</span><span class="n">Pair</span><span class="o">>></span><span class="p">,</span>
|
||
<a id="__codelineno-38-11" name="__codelineno-38-11" href="#__codelineno-38-11"></a><span class="p">}</span>
|
||
<a id="__codelineno-38-12" name="__codelineno-38-12" href="#__codelineno-38-12"></a>
|
||
<a id="__codelineno-38-13" name="__codelineno-38-13" href="#__codelineno-38-13"></a><span class="k">impl</span><span class="w"> </span><span class="n">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-14" name="__codelineno-38-14" href="#__codelineno-38-14"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="k">fn</span> <span class="nf">new</span><span class="p">()</span><span class="w"> </span>-> <span class="nc">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-15" name="__codelineno-38-15" href="#__codelineno-38-15"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-38-16" name="__codelineno-38-16" href="#__codelineno-38-16"></a><span class="w"> </span><span class="bp">Self</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-17" name="__codelineno-38-17" href="#__codelineno-38-17"></a><span class="w"> </span><span class="n">buckets</span>: <span class="nc">vec</span><span class="o">!</span><span class="p">[</span><span class="nb">None</span><span class="p">;</span><span class="w"> </span><span class="mi">100</span><span class="p">],</span>
|
||
<a id="__codelineno-38-18" name="__codelineno-38-18" href="#__codelineno-38-18"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-19" name="__codelineno-38-19" href="#__codelineno-38-19"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-20" name="__codelineno-38-20" href="#__codelineno-38-20"></a>
|
||
<a id="__codelineno-38-21" name="__codelineno-38-21" href="#__codelineno-38-21"></a><span class="w"> </span><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-38-22" name="__codelineno-38-22" href="#__codelineno-38-22"></a><span class="w"> </span><span class="k">fn</span> <span class="nf">hash_func</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">key</span>: <span class="kt">i32</span><span class="p">)</span><span class="w"> </span>-> <span class="kt">usize</span> <span class="p">{</span>
|
||
<a id="__codelineno-38-23" name="__codelineno-38-23" href="#__codelineno-38-23"></a><span class="w"> </span><span class="n">key</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="kt">usize</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="mi">100</span>
|
||
<a id="__codelineno-38-24" name="__codelineno-38-24" href="#__codelineno-38-24"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-25" name="__codelineno-38-25" href="#__codelineno-38-25"></a>
|
||
<a id="__codelineno-38-26" name="__codelineno-38-26" href="#__codelineno-38-26"></a><span class="w"> </span><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-38-27" name="__codelineno-38-27" href="#__codelineno-38-27"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="k">fn</span> <span class="nf">get</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">key</span>: <span class="kt">i32</span><span class="p">)</span><span class="w"> </span>-> <span class="nb">Option</span><span class="o"><&</span><span class="nb">String</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-28" name="__codelineno-38-28" href="#__codelineno-38-28"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="n">index</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">hash_func</span><span class="p">(</span><span class="n">key</span><span class="p">);</span>
|
||
<a id="__codelineno-38-29" name="__codelineno-38-29" href="#__codelineno-38-29"></a><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">buckets</span><span class="p">[</span><span class="n">index</span><span class="p">].</span><span class="n">as_ref</span><span class="p">().</span><span class="n">map</span><span class="p">(</span><span class="o">|</span><span class="n">pair</span><span class="o">|</span><span class="w"> </span><span class="o">&</span><span class="n">pair</span><span class="p">.</span><span class="n">val</span><span class="p">)</span>
|
||
<a id="__codelineno-38-30" name="__codelineno-38-30" href="#__codelineno-38-30"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-31" name="__codelineno-38-31" href="#__codelineno-38-31"></a>
|
||
<a id="__codelineno-38-32" name="__codelineno-38-32" href="#__codelineno-38-32"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-38-33" name="__codelineno-38-33" href="#__codelineno-38-33"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="k">fn</span> <span class="nf">put</span><span class="p">(</span><span class="o">&</span><span class="k">mut</span><span class="w"> </span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">key</span>: <span class="kt">i32</span><span class="p">,</span><span class="w"> </span><span class="n">val</span>: <span class="kp">&</span><span class="kt">str</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-34" name="__codelineno-38-34" href="#__codelineno-38-34"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="n">index</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">hash_func</span><span class="p">(</span><span class="n">key</span><span class="p">);</span>
|
||
<a id="__codelineno-38-35" name="__codelineno-38-35" href="#__codelineno-38-35"></a><span class="w"> </span><span class="bp">self</span><span class="p">.</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="nb">Some</span><span class="p">(</span><span class="n">Pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-36" name="__codelineno-38-36" href="#__codelineno-38-36"></a><span class="w"> </span><span class="n">key</span><span class="p">,</span>
|
||
<a id="__codelineno-38-37" name="__codelineno-38-37" href="#__codelineno-38-37"></a><span class="w"> </span><span class="n">val</span>: <span class="nc">val</span><span class="p">.</span><span class="n">to_string</span><span class="p">(),</span>
|
||
<a id="__codelineno-38-38" name="__codelineno-38-38" href="#__codelineno-38-38"></a><span class="w"> </span><span class="p">});</span>
|
||
<a id="__codelineno-38-39" name="__codelineno-38-39" href="#__codelineno-38-39"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-40" name="__codelineno-38-40" href="#__codelineno-38-40"></a>
|
||
<a id="__codelineno-38-41" name="__codelineno-38-41" href="#__codelineno-38-41"></a><span class="w"> </span><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-38-42" name="__codelineno-38-42" href="#__codelineno-38-42"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="k">fn</span> <span class="nf">remove</span><span class="p">(</span><span class="o">&</span><span class="k">mut</span><span class="w"> </span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">key</span>: <span class="kt">i32</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-43" name="__codelineno-38-43" href="#__codelineno-38-43"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="n">index</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">hash_func</span><span class="p">(</span><span class="n">key</span><span class="p">);</span>
|
||
<a id="__codelineno-38-44" name="__codelineno-38-44" href="#__codelineno-38-44"></a><span class="w"> </span><span class="c1">// 置為 None ，代表刪除</span>
|
||
<a id="__codelineno-38-45" name="__codelineno-38-45" href="#__codelineno-38-45"></a><span class="w"> </span><span class="bp">self</span><span class="p">.</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="nb">None</span><span class="p">;</span>
|
||
<a id="__codelineno-38-46" name="__codelineno-38-46" href="#__codelineno-38-46"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-47" name="__codelineno-38-47" href="#__codelineno-38-47"></a>
|
||
<a id="__codelineno-38-48" name="__codelineno-38-48" href="#__codelineno-38-48"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-38-49" name="__codelineno-38-49" href="#__codelineno-38-49"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="k">fn</span> <span class="nf">entry_set</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">)</span><span class="w"> </span>-> <span class="nb">Vec</span><span class="o"><&</span><span class="n">Pair</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-50" name="__codelineno-38-50" href="#__codelineno-38-50"></a><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">buckets</span>
|
||
<a id="__codelineno-38-51" name="__codelineno-38-51" href="#__codelineno-38-51"></a><span class="w"> </span><span class="p">.</span><span class="n">iter</span><span class="p">()</span>
|
||
<a id="__codelineno-38-52" name="__codelineno-38-52" href="#__codelineno-38-52"></a><span class="w"> </span><span class="p">.</span><span class="n">filter_map</span><span class="p">(</span><span class="o">|</span><span class="n">pair</span><span class="o">|</span><span class="w"> </span><span class="n">pair</span><span class="p">.</span><span class="n">as_ref</span><span class="p">())</span>
|
||
<a id="__codelineno-38-53" name="__codelineno-38-53" href="#__codelineno-38-53"></a><span class="w"> </span><span class="p">.</span><span class="n">collect</span><span class="p">()</span>
|
||
<a id="__codelineno-38-54" name="__codelineno-38-54" href="#__codelineno-38-54"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-55" name="__codelineno-38-55" href="#__codelineno-38-55"></a>
|
||
<a id="__codelineno-38-56" name="__codelineno-38-56" href="#__codelineno-38-56"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-38-57" name="__codelineno-38-57" href="#__codelineno-38-57"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="k">fn</span> <span class="nf">key_set</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">)</span><span class="w"> </span>-> <span class="nb">Vec</span><span class="o"><&</span><span class="kt">i32</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-58" name="__codelineno-38-58" href="#__codelineno-38-58"></a><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">buckets</span>
|
||
<a id="__codelineno-38-59" name="__codelineno-38-59" href="#__codelineno-38-59"></a><span class="w"> </span><span class="p">.</span><span class="n">iter</span><span class="p">()</span>
|
||
<a id="__codelineno-38-60" name="__codelineno-38-60" href="#__codelineno-38-60"></a><span class="w"> </span><span class="p">.</span><span class="n">filter_map</span><span class="p">(</span><span class="o">|</span><span class="n">pair</span><span class="o">|</span><span class="w"> </span><span class="n">pair</span><span class="p">.</span><span class="n">as_ref</span><span class="p">().</span><span class="n">map</span><span class="p">(</span><span class="o">|</span><span class="n">pair</span><span class="o">|</span><span class="w"> </span><span class="o">&</span><span class="n">pair</span><span class="p">.</span><span class="n">key</span><span class="p">))</span>
|
||
<a id="__codelineno-38-61" name="__codelineno-38-61" href="#__codelineno-38-61"></a><span class="w"> </span><span class="p">.</span><span class="n">collect</span><span class="p">()</span>
|
||
<a id="__codelineno-38-62" name="__codelineno-38-62" href="#__codelineno-38-62"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-63" name="__codelineno-38-63" href="#__codelineno-38-63"></a>
|
||
<a id="__codelineno-38-64" name="__codelineno-38-64" href="#__codelineno-38-64"></a><span class="w"> </span><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-38-65" name="__codelineno-38-65" href="#__codelineno-38-65"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="k">fn</span> <span class="nf">value_set</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">)</span><span class="w"> </span>-> <span class="nb">Vec</span><span class="o"><&</span><span class="nb">String</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-66" name="__codelineno-38-66" href="#__codelineno-38-66"></a><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">buckets</span>
|
||
<a id="__codelineno-38-67" name="__codelineno-38-67" href="#__codelineno-38-67"></a><span class="w"> </span><span class="p">.</span><span class="n">iter</span><span class="p">()</span>
|
||
<a id="__codelineno-38-68" name="__codelineno-38-68" href="#__codelineno-38-68"></a><span class="w"> </span><span class="p">.</span><span class="n">filter_map</span><span class="p">(</span><span class="o">|</span><span class="n">pair</span><span class="o">|</span><span class="w"> </span><span class="n">pair</span><span class="p">.</span><span class="n">as_ref</span><span class="p">().</span><span class="n">map</span><span class="p">(</span><span class="o">|</span><span class="n">pair</span><span class="o">|</span><span class="w"> </span><span class="o">&</span><span class="n">pair</span><span class="p">.</span><span class="n">val</span><span class="p">))</span>
|
||
<a id="__codelineno-38-69" name="__codelineno-38-69" href="#__codelineno-38-69"></a><span class="w"> </span><span class="p">.</span><span class="n">collect</span><span class="p">()</span>
|
||
<a id="__codelineno-38-70" name="__codelineno-38-70" href="#__codelineno-38-70"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-71" name="__codelineno-38-71" href="#__codelineno-38-71"></a>
|
||
<a id="__codelineno-38-72" name="__codelineno-38-72" href="#__codelineno-38-72"></a><span class="w"> </span><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-38-73" name="__codelineno-38-73" href="#__codelineno-38-73"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="k">fn</span> <span class="nf">print</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-74" name="__codelineno-38-74" href="#__codelineno-38-74"></a><span class="w"> </span><span class="k">for</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="bp">self</span><span class="p">.</span><span class="n">entry_set</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-38-75" name="__codelineno-38-75" href="#__codelineno-38-75"></a><span class="w"> </span><span class="fm">println!</span><span class="p">(</span><span class="s">"{} -> {}"</span><span class="p">,</span><span class="w"> </span><span class="n">pair</span><span class="p">.</span><span class="n">key</span><span class="p">,</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-38-76" name="__codelineno-38-76" href="#__codelineno-38-76"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-77" name="__codelineno-38-77" href="#__codelineno-38-77"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-38-78" name="__codelineno-38-78" href="#__codelineno-38-78"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">array_hash_map.c</span><pre><span></span><code><a id="__codelineno-39-1" name="__codelineno-39-1" href="#__codelineno-39-1"></a><span class="cm">/* 鍵值對 int->string */</span>
|
||
<a id="__codelineno-39-2" name="__codelineno-39-2" href="#__codelineno-39-2"></a><span class="k">typedef</span><span class="w"> </span><span class="k">struct</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-3" name="__codelineno-39-3" href="#__codelineno-39-3"></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-39-4" name="__codelineno-39-4" href="#__codelineno-39-4"></a><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">val</span><span class="p">;</span>
|
||
<a id="__codelineno-39-5" name="__codelineno-39-5" href="#__codelineno-39-5"></a><span class="p">}</span><span class="w"> </span><span class="n">Pair</span><span class="p">;</span>
|
||
<a id="__codelineno-39-6" name="__codelineno-39-6" href="#__codelineno-39-6"></a>
|
||
<a id="__codelineno-39-7" name="__codelineno-39-7" href="#__codelineno-39-7"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-39-8" name="__codelineno-39-8" href="#__codelineno-39-8"></a><span class="k">typedef</span><span class="w"> </span><span class="k">struct</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-9" name="__codelineno-39-9" href="#__codelineno-39-9"></a><span class="w"> </span><span class="n">Pair</span><span class="w"> </span><span class="o">*</span><span class="n">buckets</span><span class="p">[</span><span class="n">HASHTABLE_CAPACITY</span><span class="p">];</span>
|
||
<a id="__codelineno-39-10" name="__codelineno-39-10" href="#__codelineno-39-10"></a><span class="p">}</span><span class="w"> </span><span class="n">ArrayHashMap</span><span class="p">;</span>
|
||
<a id="__codelineno-39-11" name="__codelineno-39-11" href="#__codelineno-39-11"></a>
|
||
<a id="__codelineno-39-12" name="__codelineno-39-12" href="#__codelineno-39-12"></a><span class="cm">/* 建構子 */</span>
|
||
<a id="__codelineno-39-13" name="__codelineno-39-13" href="#__codelineno-39-13"></a><span class="n">ArrayHashMap</span><span class="w"> </span><span class="o">*</span><span class="nf">newArrayHashMap</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-14" name="__codelineno-39-14" href="#__codelineno-39-14"></a><span class="w"> </span><span class="n">ArrayHashMap</span><span class="w"> </span><span class="o">*</span><span class="n">hmap</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">malloc</span><span class="p">(</span><span class="k">sizeof</span><span class="p">(</span><span class="n">ArrayHashMap</span><span class="p">));</span>
|
||
<a id="__codelineno-39-15" name="__codelineno-39-15" href="#__codelineno-39-15"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">hmap</span><span class="p">;</span>
|
||
<a id="__codelineno-39-16" name="__codelineno-39-16" href="#__codelineno-39-16"></a><span class="p">}</span>
|
||
<a id="__codelineno-39-17" name="__codelineno-39-17" href="#__codelineno-39-17"></a>
|
||
<a id="__codelineno-39-18" name="__codelineno-39-18" href="#__codelineno-39-18"></a><span class="cm">/* 析構函式 */</span>
|
||
<a id="__codelineno-39-19" name="__codelineno-39-19" href="#__codelineno-39-19"></a><span class="kt">void</span><span class="w"> </span><span class="nf">delArrayHashMap</span><span class="p">(</span><span class="n">ArrayHashMap</span><span class="w"> </span><span class="o">*</span><span class="n">hmap</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-20" name="__codelineno-39-20" href="#__codelineno-39-20"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">HASHTABLE_CAPACITY</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-39-21" name="__codelineno-39-21" href="#__codelineno-39-21"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-22" name="__codelineno-39-22" href="#__codelineno-39-22"></a><span class="w"> </span><span class="n">free</span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">-></span><span class="n">val</span><span class="p">);</span>
|
||
<a id="__codelineno-39-23" name="__codelineno-39-23" href="#__codelineno-39-23"></a><span class="w"> </span><span class="n">free</span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]);</span>
|
||
<a id="__codelineno-39-24" name="__codelineno-39-24" href="#__codelineno-39-24"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-25" name="__codelineno-39-25" href="#__codelineno-39-25"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-26" name="__codelineno-39-26" href="#__codelineno-39-26"></a><span class="w"> </span><span class="n">free</span><span class="p">(</span><span class="n">hmap</span><span class="p">);</span>
|
||
<a id="__codelineno-39-27" name="__codelineno-39-27" href="#__codelineno-39-27"></a><span class="p">}</span>
|
||
<a id="__codelineno-39-28" name="__codelineno-39-28" href="#__codelineno-39-28"></a>
|
||
<a id="__codelineno-39-29" name="__codelineno-39-29" href="#__codelineno-39-29"></a><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-39-30" name="__codelineno-39-30" href="#__codelineno-39-30"></a><span class="kt">void</span><span class="w"> </span><span class="nf">put</span><span class="p">(</span><span class="n">ArrayHashMap</span><span class="w"> </span><span class="o">*</span><span class="n">hmap</span><span class="p">,</span><span class="w"> </span><span class="k">const</span><span class="w"> </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="k">const</span><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="n">val</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-31" name="__codelineno-39-31" href="#__codelineno-39-31"></a><span class="w"> </span><span class="n">Pair</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">malloc</span><span class="p">(</span><span class="k">sizeof</span><span class="p">(</span><span class="n">Pair</span><span class="p">));</span>
|
||
<a id="__codelineno-39-32" name="__codelineno-39-32" href="#__codelineno-39-32"></a><span class="w"> </span><span class="n">Pair</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-39-33" name="__codelineno-39-33" href="#__codelineno-39-33"></a><span class="w"> </span><span class="n">Pair</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">malloc</span><span class="p">(</span><span class="n">strlen</span><span class="p">(</span><span class="n">val</span><span class="p">)</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span>
|
||
<a id="__codelineno-39-34" name="__codelineno-39-34" href="#__codelineno-39-34"></a><span class="w"> </span><span class="n">strcpy</span><span class="p">(</span><span class="n">Pair</span><span class="o">-></span><span class="n">val</span><span class="p">,</span><span class="w"> </span><span class="n">val</span><span class="p">);</span>
|
||
<a id="__codelineno-39-35" name="__codelineno-39-35" href="#__codelineno-39-35"></a>
|
||
<a id="__codelineno-39-36" name="__codelineno-39-36" href="#__codelineno-39-36"></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-39-37" name="__codelineno-39-37" href="#__codelineno-39-37"></a><span class="w"> </span><span class="n">hmap</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="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">Pair</span><span class="p">;</span>
|
||
<a id="__codelineno-39-38" name="__codelineno-39-38" href="#__codelineno-39-38"></a><span class="p">}</span>
|
||
<a id="__codelineno-39-39" name="__codelineno-39-39" href="#__codelineno-39-39"></a>
|
||
<a id="__codelineno-39-40" name="__codelineno-39-40" href="#__codelineno-39-40"></a><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-39-41" name="__codelineno-39-41" href="#__codelineno-39-41"></a><span class="kt">void</span><span class="w"> </span><span class="nf">removeItem</span><span class="p">(</span><span class="n">ArrayHashMap</span><span class="w"> </span><span class="o">*</span><span class="n">hmap</span><span class="p">,</span><span class="w"> </span><span class="k">const</span><span class="w"> </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-39-42" name="__codelineno-39-42" href="#__codelineno-39-42"></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-39-43" name="__codelineno-39-43" href="#__codelineno-39-43"></a><span class="w"> </span><span class="n">free</span><span class="p">(</span><span class="n">hmap</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">val</span><span class="p">);</span>
|
||
<a id="__codelineno-39-44" name="__codelineno-39-44" href="#__codelineno-39-44"></a><span class="w"> </span><span class="n">free</span><span class="p">(</span><span class="n">hmap</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-39-45" name="__codelineno-39-45" href="#__codelineno-39-45"></a><span class="w"> </span><span class="n">hmap</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="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">NULL</span><span class="p">;</span>
|
||
<a id="__codelineno-39-46" name="__codelineno-39-46" href="#__codelineno-39-46"></a><span class="p">}</span>
|
||
<a id="__codelineno-39-47" name="__codelineno-39-47" href="#__codelineno-39-47"></a>
|
||
<a id="__codelineno-39-48" name="__codelineno-39-48" href="#__codelineno-39-48"></a><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-39-49" name="__codelineno-39-49" href="#__codelineno-39-49"></a><span class="kt">void</span><span class="w"> </span><span class="nf">pairSet</span><span class="p">(</span><span class="n">ArrayHashMap</span><span class="w"> </span><span class="o">*</span><span class="n">hmap</span><span class="p">,</span><span class="w"> </span><span class="n">MapSet</span><span class="w"> </span><span class="o">*</span><span class="n">set</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-50" name="__codelineno-39-50" href="#__codelineno-39-50"></a><span class="w"> </span><span class="n">Pair</span><span class="w"> </span><span class="o">*</span><span class="n">entries</span><span class="p">;</span>
|
||
<a id="__codelineno-39-51" name="__codelineno-39-51" href="#__codelineno-39-51"></a><span class="w"> </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">index</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-39-52" name="__codelineno-39-52" href="#__codelineno-39-52"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">total</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-39-53" name="__codelineno-39-53" href="#__codelineno-39-53"></a><span class="w"> </span><span class="cm">/* 統計有效鍵值對數量 */</span>
|
||
<a id="__codelineno-39-54" name="__codelineno-39-54" href="#__codelineno-39-54"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">HASHTABLE_CAPACITY</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-39-55" name="__codelineno-39-55" href="#__codelineno-39-55"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-56" name="__codelineno-39-56" href="#__codelineno-39-56"></a><span class="w"> </span><span class="n">total</span><span class="o">++</span><span class="p">;</span>
|
||
<a id="__codelineno-39-57" name="__codelineno-39-57" href="#__codelineno-39-57"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-58" name="__codelineno-39-58" href="#__codelineno-39-58"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-59" name="__codelineno-39-59" href="#__codelineno-39-59"></a><span class="w"> </span><span class="n">entries</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">malloc</span><span class="p">(</span><span class="k">sizeof</span><span class="p">(</span><span class="n">Pair</span><span class="p">)</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">total</span><span class="p">);</span>
|
||
<a id="__codelineno-39-60" name="__codelineno-39-60" href="#__codelineno-39-60"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">HASHTABLE_CAPACITY</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-39-61" name="__codelineno-39-61" href="#__codelineno-39-61"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-62" name="__codelineno-39-62" href="#__codelineno-39-62"></a><span class="w"> </span><span class="n">entries</span><span class="p">[</span><span class="n">index</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">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">-></span><span class="n">key</span><span class="p">;</span>
|
||
<a id="__codelineno-39-63" name="__codelineno-39-63" href="#__codelineno-39-63"></a><span class="w"> </span><span class="n">entries</span><span class="p">[</span><span class="n">index</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">malloc</span><span class="p">(</span><span class="n">strlen</span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">-></span><span class="n">val</span><span class="p">)</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span>
|
||
<a id="__codelineno-39-64" name="__codelineno-39-64" href="#__codelineno-39-64"></a><span class="w"> </span><span class="n">strcpy</span><span class="p">(</span><span class="n">entries</span><span class="p">[</span><span class="n">index</span><span class="p">].</span><span class="n">val</span><span class="p">,</span><span class="w"> </span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">-></span><span class="n">val</span><span class="p">);</span>
|
||
<a id="__codelineno-39-65" name="__codelineno-39-65" href="#__codelineno-39-65"></a><span class="w"> </span><span class="n">index</span><span class="o">++</span><span class="p">;</span>
|
||
<a id="__codelineno-39-66" name="__codelineno-39-66" href="#__codelineno-39-66"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-67" name="__codelineno-39-67" href="#__codelineno-39-67"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-68" name="__codelineno-39-68" href="#__codelineno-39-68"></a><span class="w"> </span><span class="n">set</span><span class="o">-></span><span class="n">set</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">entries</span><span class="p">;</span>
|
||
<a id="__codelineno-39-69" name="__codelineno-39-69" href="#__codelineno-39-69"></a><span class="w"> </span><span class="n">set</span><span class="o">-></span><span class="n">len</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">total</span><span class="p">;</span>
|
||
<a id="__codelineno-39-70" name="__codelineno-39-70" href="#__codelineno-39-70"></a><span class="p">}</span>
|
||
<a id="__codelineno-39-71" name="__codelineno-39-71" href="#__codelineno-39-71"></a>
|
||
<a id="__codelineno-39-72" name="__codelineno-39-72" href="#__codelineno-39-72"></a><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-39-73" name="__codelineno-39-73" href="#__codelineno-39-73"></a><span class="kt">void</span><span class="w"> </span><span class="nf">keySet</span><span class="p">(</span><span class="n">ArrayHashMap</span><span class="w"> </span><span class="o">*</span><span class="n">hmap</span><span class="p">,</span><span class="w"> </span><span class="n">MapSet</span><span class="w"> </span><span class="o">*</span><span class="n">set</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-74" name="__codelineno-39-74" href="#__codelineno-39-74"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="o">*</span><span class="n">keys</span><span class="p">;</span>
|
||
<a id="__codelineno-39-75" name="__codelineno-39-75" href="#__codelineno-39-75"></a><span class="w"> </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">index</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-39-76" name="__codelineno-39-76" href="#__codelineno-39-76"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">total</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-39-77" name="__codelineno-39-77" href="#__codelineno-39-77"></a><span class="w"> </span><span class="cm">/* 統計有效鍵值對數量 */</span>
|
||
<a id="__codelineno-39-78" name="__codelineno-39-78" href="#__codelineno-39-78"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">HASHTABLE_CAPACITY</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-39-79" name="__codelineno-39-79" href="#__codelineno-39-79"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-80" name="__codelineno-39-80" href="#__codelineno-39-80"></a><span class="w"> </span><span class="n">total</span><span class="o">++</span><span class="p">;</span>
|
||
<a id="__codelineno-39-81" name="__codelineno-39-81" href="#__codelineno-39-81"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-82" name="__codelineno-39-82" href="#__codelineno-39-82"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-83" name="__codelineno-39-83" href="#__codelineno-39-83"></a><span class="w"> </span><span class="n">keys</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">malloc</span><span class="p">(</span><span class="n">total</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="kt">int</span><span class="p">));</span>
|
||
<a id="__codelineno-39-84" name="__codelineno-39-84" href="#__codelineno-39-84"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">HASHTABLE_CAPACITY</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-39-85" name="__codelineno-39-85" href="#__codelineno-39-85"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-86" name="__codelineno-39-86" href="#__codelineno-39-86"></a><span class="w"> </span><span class="n">keys</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">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">-></span><span class="n">key</span><span class="p">;</span>
|
||
<a id="__codelineno-39-87" name="__codelineno-39-87" href="#__codelineno-39-87"></a><span class="w"> </span><span class="n">index</span><span class="o">++</span><span class="p">;</span>
|
||
<a id="__codelineno-39-88" name="__codelineno-39-88" href="#__codelineno-39-88"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-89" name="__codelineno-39-89" href="#__codelineno-39-89"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-90" name="__codelineno-39-90" href="#__codelineno-39-90"></a><span class="w"> </span><span class="n">set</span><span class="o">-></span><span class="n">set</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">keys</span><span class="p">;</span>
|
||
<a id="__codelineno-39-91" name="__codelineno-39-91" href="#__codelineno-39-91"></a><span class="w"> </span><span class="n">set</span><span class="o">-></span><span class="n">len</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">total</span><span class="p">;</span>
|
||
<a id="__codelineno-39-92" name="__codelineno-39-92" href="#__codelineno-39-92"></a><span class="p">}</span>
|
||
<a id="__codelineno-39-93" name="__codelineno-39-93" href="#__codelineno-39-93"></a>
|
||
<a id="__codelineno-39-94" name="__codelineno-39-94" href="#__codelineno-39-94"></a><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-39-95" name="__codelineno-39-95" href="#__codelineno-39-95"></a><span class="kt">void</span><span class="w"> </span><span class="nf">valueSet</span><span class="p">(</span><span class="n">ArrayHashMap</span><span class="w"> </span><span class="o">*</span><span class="n">hmap</span><span class="p">,</span><span class="w"> </span><span class="n">MapSet</span><span class="w"> </span><span class="o">*</span><span class="n">set</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-96" name="__codelineno-39-96" href="#__codelineno-39-96"></a><span class="w"> </span><span class="kt">char</span><span class="w"> </span><span class="o">**</span><span class="n">vals</span><span class="p">;</span>
|
||
<a id="__codelineno-39-97" name="__codelineno-39-97" href="#__codelineno-39-97"></a><span class="w"> </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">index</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-39-98" name="__codelineno-39-98" href="#__codelineno-39-98"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">total</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-39-99" name="__codelineno-39-99" href="#__codelineno-39-99"></a><span class="w"> </span><span class="cm">/* 統計有效鍵值對數量 */</span>
|
||
<a id="__codelineno-39-100" name="__codelineno-39-100" href="#__codelineno-39-100"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">HASHTABLE_CAPACITY</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-39-101" name="__codelineno-39-101" href="#__codelineno-39-101"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-102" name="__codelineno-39-102" href="#__codelineno-39-102"></a><span class="w"> </span><span class="n">total</span><span class="o">++</span><span class="p">;</span>
|
||
<a id="__codelineno-39-103" name="__codelineno-39-103" href="#__codelineno-39-103"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-104" name="__codelineno-39-104" href="#__codelineno-39-104"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-105" name="__codelineno-39-105" href="#__codelineno-39-105"></a><span class="w"> </span><span class="n">vals</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">malloc</span><span class="p">(</span><span class="n">total</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="kt">char</span><span class="w"> </span><span class="o">*</span><span class="p">));</span>
|
||
<a id="__codelineno-39-106" name="__codelineno-39-106" href="#__codelineno-39-106"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">HASHTABLE_CAPACITY</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-39-107" name="__codelineno-39-107" href="#__codelineno-39-107"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="nb">NULL</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-108" name="__codelineno-39-108" href="#__codelineno-39-108"></a><span class="w"> </span><span class="n">vals</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">hmap</span><span class="o">-></span><span class="n">buckets</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">-></span><span class="n">val</span><span class="p">;</span>
|
||
<a id="__codelineno-39-109" name="__codelineno-39-109" href="#__codelineno-39-109"></a><span class="w"> </span><span class="n">index</span><span class="o">++</span><span class="p">;</span>
|
||
<a id="__codelineno-39-110" name="__codelineno-39-110" href="#__codelineno-39-110"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-111" name="__codelineno-39-111" href="#__codelineno-39-111"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-112" name="__codelineno-39-112" href="#__codelineno-39-112"></a><span class="w"> </span><span class="n">set</span><span class="o">-></span><span class="n">set</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">vals</span><span class="p">;</span>
|
||
<a id="__codelineno-39-113" name="__codelineno-39-113" href="#__codelineno-39-113"></a><span class="w"> </span><span class="n">set</span><span class="o">-></span><span class="n">len</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">total</span><span class="p">;</span>
|
||
<a id="__codelineno-39-114" name="__codelineno-39-114" href="#__codelineno-39-114"></a><span class="p">}</span>
|
||
<a id="__codelineno-39-115" name="__codelineno-39-115" href="#__codelineno-39-115"></a>
|
||
<a id="__codelineno-39-116" name="__codelineno-39-116" href="#__codelineno-39-116"></a><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-39-117" name="__codelineno-39-117" href="#__codelineno-39-117"></a><span class="kt">void</span><span class="w"> </span><span class="nf">print</span><span class="p">(</span><span class="n">ArrayHashMap</span><span class="w"> </span><span class="o">*</span><span class="n">hmap</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-39-118" name="__codelineno-39-118" href="#__codelineno-39-118"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">i</span><span class="p">;</span>
|
||
<a id="__codelineno-39-119" name="__codelineno-39-119" href="#__codelineno-39-119"></a><span class="w"> </span><span class="n">MapSet</span><span class="w"> </span><span class="n">set</span><span class="p">;</span>
|
||
<a id="__codelineno-39-120" name="__codelineno-39-120" href="#__codelineno-39-120"></a><span class="w"> </span><span class="n">pairSet</span><span class="p">(</span><span class="n">hmap</span><span class="p">,</span><span class="w"> </span><span class="o">&</span><span class="n">set</span><span class="p">);</span>
|
||
<a id="__codelineno-39-121" name="__codelineno-39-121" href="#__codelineno-39-121"></a><span class="w"> </span><span class="n">Pair</span><span class="w"> </span><span class="o">*</span><span class="n">entries</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">Pair</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="n">set</span><span class="p">.</span><span class="n">set</span><span class="p">;</span>
|
||
<a id="__codelineno-39-122" name="__codelineno-39-122" href="#__codelineno-39-122"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">set</span><span class="p">.</span><span class="n">len</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-39-123" name="__codelineno-39-123" href="#__codelineno-39-123"></a><span class="w"> </span><span class="n">printf</span><span class="p">(</span><span class="s">"%d -> %s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span><span class="w"> </span><span class="n">entries</span><span class="p">[</span><span class="n">i</span><span class="p">].</span><span class="n">key</span><span class="p">,</span><span class="w"> </span><span class="n">entries</span><span class="p">[</span><span class="n">i</span><span class="p">].</span><span class="n">val</span><span class="p">);</span>
|
||
<a id="__codelineno-39-124" name="__codelineno-39-124" href="#__codelineno-39-124"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-39-125" name="__codelineno-39-125" href="#__codelineno-39-125"></a><span class="w"> </span><span class="n">free</span><span class="p">(</span><span class="n">set</span><span class="p">.</span><span class="n">set</span><span class="p">);</span>
|
||
<a id="__codelineno-39-126" name="__codelineno-39-126" href="#__codelineno-39-126"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">array_hash_map.kt</span><pre><span></span><code><a id="__codelineno-40-1" name="__codelineno-40-1" href="#__codelineno-40-1"></a><span class="cm">/* 鍵值對 */</span>
|
||
<a id="__codelineno-40-2" name="__codelineno-40-2" href="#__codelineno-40-2"></a><span class="kd">class</span><span class="w"> </span><span class="nc">Pair</span><span class="p">(</span>
|
||
<a id="__codelineno-40-3" name="__codelineno-40-3" href="#__codelineno-40-3"></a><span class="w"> </span><span class="kd">var</span><span class="w"> </span><span class="nv">key</span><span class="p">:</span><span class="w"> </span><span class="kt">Int</span><span class="p">,</span>
|
||
<a id="__codelineno-40-4" name="__codelineno-40-4" href="#__codelineno-40-4"></a><span class="w"> </span><span class="kd">var</span><span class="w"> </span><span class="nv">value</span><span class="p">:</span><span class="w"> </span><span class="kt">String</span>
|
||
<a id="__codelineno-40-5" name="__codelineno-40-5" href="#__codelineno-40-5"></a><span class="p">)</span>
|
||
<a id="__codelineno-40-6" name="__codelineno-40-6" href="#__codelineno-40-6"></a>
|
||
<a id="__codelineno-40-7" name="__codelineno-40-7" href="#__codelineno-40-7"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-40-8" name="__codelineno-40-8" href="#__codelineno-40-8"></a><span class="kd">class</span><span class="w"> </span><span class="nc">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-9" name="__codelineno-40-9" href="#__codelineno-40-9"></a><span class="w"> </span><span class="kd">private</span><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">buckets</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">arrayOfNulls</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="p">(</span><span class="m">100</span><span class="p">)</span>
|
||
<a id="__codelineno-40-10" name="__codelineno-40-10" href="#__codelineno-40-10"></a>
|
||
<a id="__codelineno-40-11" name="__codelineno-40-11" href="#__codelineno-40-11"></a><span class="w"> </span><span class="k">init</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-12" name="__codelineno-40-12" href="#__codelineno-40-12"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-40-13" name="__codelineno-40-13" href="#__codelineno-40-13"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="m">0.</span><span class="p">.</span><span class="o"><</span><span class="m">100</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-14" name="__codelineno-40-14" href="#__codelineno-40-14"></a><span class="w"> </span><span class="n">buckets</span><span class="o">[</span><span class="n">i</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kc">null</span>
|
||
<a id="__codelineno-40-15" name="__codelineno-40-15" href="#__codelineno-40-15"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-16" name="__codelineno-40-16" href="#__codelineno-40-16"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-17" name="__codelineno-40-17" href="#__codelineno-40-17"></a>
|
||
<a id="__codelineno-40-18" name="__codelineno-40-18" href="#__codelineno-40-18"></a><span class="w"> </span><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-40-19" name="__codelineno-40-19" href="#__codelineno-40-19"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">hashFunc</span><span class="p">(</span><span class="n">key</span><span class="p">:</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-40-20" name="__codelineno-40-20" href="#__codelineno-40-20"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">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>
|
||
<a id="__codelineno-40-21" name="__codelineno-40-21" href="#__codelineno-40-21"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">index</span>
|
||
<a id="__codelineno-40-22" name="__codelineno-40-22" href="#__codelineno-40-22"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-23" name="__codelineno-40-23" href="#__codelineno-40-23"></a>
|
||
<a id="__codelineno-40-24" name="__codelineno-40-24" href="#__codelineno-40-24"></a><span class="w"> </span><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-40-25" name="__codelineno-40-25" href="#__codelineno-40-25"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">get</span><span class="p">(</span><span class="n">key</span><span class="p">:</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-40-26" name="__codelineno-40-26" href="#__codelineno-40-26"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">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-40-27" name="__codelineno-40-27" href="#__codelineno-40-27"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">pair</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">buckets</span><span class="o">[</span><span class="n">index</span><span class="o">]</span><span class="w"> </span><span class="o">?:</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="kc">null</span>
|
||
<a id="__codelineno-40-28" name="__codelineno-40-28" href="#__codelineno-40-28"></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">value</span>
|
||
<a id="__codelineno-40-29" name="__codelineno-40-29" href="#__codelineno-40-29"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-30" name="__codelineno-40-30" href="#__codelineno-40-30"></a>
|
||
<a id="__codelineno-40-31" name="__codelineno-40-31" href="#__codelineno-40-31"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-40-32" name="__codelineno-40-32" href="#__codelineno-40-32"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">put</span><span class="p">(</span><span class="n">key</span><span class="p">:</span><span class="w"> </span><span class="kt">Int</span><span class="p">,</span><span class="w"> </span><span class="n">value</span><span class="p">:</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-40-33" name="__codelineno-40-33" href="#__codelineno-40-33"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">pair</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">Pair</span><span class="p">(</span><span class="n">key</span><span class="p">,</span><span class="w"> </span><span class="n">value</span><span class="p">)</span>
|
||
<a id="__codelineno-40-34" name="__codelineno-40-34" href="#__codelineno-40-34"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">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-40-35" name="__codelineno-40-35" href="#__codelineno-40-35"></a><span class="w"> </span><span class="n">buckets</span><span class="o">[</span><span class="n">index</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">pair</span>
|
||
<a id="__codelineno-40-36" name="__codelineno-40-36" href="#__codelineno-40-36"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-37" name="__codelineno-40-37" href="#__codelineno-40-37"></a>
|
||
<a id="__codelineno-40-38" name="__codelineno-40-38" href="#__codelineno-40-38"></a><span class="w"> </span><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-40-39" name="__codelineno-40-39" href="#__codelineno-40-39"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">remove</span><span class="p">(</span><span class="n">key</span><span class="p">:</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-40-40" name="__codelineno-40-40" href="#__codelineno-40-40"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">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-40-41" name="__codelineno-40-41" href="#__codelineno-40-41"></a><span class="w"> </span><span class="c1">// 置為 null ，代表刪除</span>
|
||
<a id="__codelineno-40-42" name="__codelineno-40-42" href="#__codelineno-40-42"></a><span class="w"> </span><span class="n">buckets</span><span class="o">[</span><span class="n">index</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kc">null</span>
|
||
<a id="__codelineno-40-43" name="__codelineno-40-43" href="#__codelineno-40-43"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-44" name="__codelineno-40-44" href="#__codelineno-40-44"></a>
|
||
<a id="__codelineno-40-45" name="__codelineno-40-45" href="#__codelineno-40-45"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-40-46" name="__codelineno-40-46" href="#__codelineno-40-46"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">pairSet</span><span class="p">():</span><span class="w"> </span><span class="n">MutableList</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-47" name="__codelineno-40-47" href="#__codelineno-40-47"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">pairSet</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ArrayList</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="p">()</span>
|
||
<a id="__codelineno-40-48" name="__codelineno-40-48" href="#__codelineno-40-48"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-49" name="__codelineno-40-49" href="#__codelineno-40-49"></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><span class="w"> </span><span class="n">pairSet</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-40-50" name="__codelineno-40-50" href="#__codelineno-40-50"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-51" name="__codelineno-40-51" href="#__codelineno-40-51"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">pairSet</span>
|
||
<a id="__codelineno-40-52" name="__codelineno-40-52" href="#__codelineno-40-52"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-53" name="__codelineno-40-53" href="#__codelineno-40-53"></a>
|
||
<a id="__codelineno-40-54" name="__codelineno-40-54" href="#__codelineno-40-54"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-40-55" name="__codelineno-40-55" href="#__codelineno-40-55"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">keySet</span><span class="p">():</span><span class="w"> </span><span class="n">MutableList</span><span class="o"><</span><span class="kt">Int</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-56" name="__codelineno-40-56" href="#__codelineno-40-56"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">keySet</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ArrayList</span><span class="o"><</span><span class="kt">Int</span><span class="o">></span><span class="p">()</span>
|
||
<a id="__codelineno-40-57" name="__codelineno-40-57" href="#__codelineno-40-57"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-58" name="__codelineno-40-58" href="#__codelineno-40-58"></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><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-40-59" name="__codelineno-40-59" href="#__codelineno-40-59"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-60" name="__codelineno-40-60" href="#__codelineno-40-60"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">keySet</span>
|
||
<a id="__codelineno-40-61" name="__codelineno-40-61" href="#__codelineno-40-61"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-62" name="__codelineno-40-62" href="#__codelineno-40-62"></a>
|
||
<a id="__codelineno-40-63" name="__codelineno-40-63" href="#__codelineno-40-63"></a><span class="w"> </span><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-40-64" name="__codelineno-40-64" href="#__codelineno-40-64"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">valueSet</span><span class="p">():</span><span class="w"> </span><span class="n">MutableList</span><span class="o"><</span><span class="kt">String</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-65" name="__codelineno-40-65" href="#__codelineno-40-65"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">valueSet</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ArrayList</span><span class="o"><</span><span class="kt">String</span><span class="o">></span><span class="p">()</span>
|
||
<a id="__codelineno-40-66" name="__codelineno-40-66" href="#__codelineno-40-66"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-67" name="__codelineno-40-67" href="#__codelineno-40-67"></a><span class="w"> </span><span class="n">pair</span><span class="o">?.</span><span class="na">let</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="n">valueSet</span><span class="p">.</span><span class="na">add</span><span class="p">(</span><span class="nb">it</span><span class="p">.</span><span class="na">value</span><span class="p">)</span><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-68" name="__codelineno-40-68" href="#__codelineno-40-68"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-69" name="__codelineno-40-69" href="#__codelineno-40-69"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">valueSet</span>
|
||
<a id="__codelineno-40-70" name="__codelineno-40-70" href="#__codelineno-40-70"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-71" name="__codelineno-40-71" href="#__codelineno-40-71"></a>
|
||
<a id="__codelineno-40-72" name="__codelineno-40-72" href="#__codelineno-40-72"></a><span class="w"> </span><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-40-73" name="__codelineno-40-73" href="#__codelineno-40-73"></a><span class="w"> </span><span class="kd">fun</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-40-74" name="__codelineno-40-74" href="#__codelineno-40-74"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">kv</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="n">pairSet</span><span class="p">())</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-75" name="__codelineno-40-75" href="#__codelineno-40-75"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">key</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">key</span>
|
||
<a id="__codelineno-40-76" name="__codelineno-40-76" href="#__codelineno-40-76"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">value</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">value</span>
|
||
<a id="__codelineno-40-77" name="__codelineno-40-77" href="#__codelineno-40-77"></a><span class="w"> </span><span class="n">println</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-40-78" name="__codelineno-40-78" href="#__codelineno-40-78"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-79" name="__codelineno-40-79" href="#__codelineno-40-79"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-80" name="__codelineno-40-80" href="#__codelineno-40-80"></a><span class="p">}</span>
|
||
<a id="__codelineno-40-81" name="__codelineno-40-81" href="#__codelineno-40-81"></a>
|
||
<a id="__codelineno-40-82" name="__codelineno-40-82" href="#__codelineno-40-82"></a><span class="cm">/* 基於陣列實現的雜湊表 */</span>
|
||
<a id="__codelineno-40-83" name="__codelineno-40-83" href="#__codelineno-40-83"></a><span class="kd">class</span><span class="w"> </span><span class="nc">ArrayHashMap</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-84" name="__codelineno-40-84" href="#__codelineno-40-84"></a><span class="w"> </span><span class="kd">private</span><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">buckets</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">arrayOfNulls</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="p">(</span><span class="m">100</span><span class="p">)</span>
|
||
<a id="__codelineno-40-85" name="__codelineno-40-85" href="#__codelineno-40-85"></a>
|
||
<a id="__codelineno-40-86" name="__codelineno-40-86" href="#__codelineno-40-86"></a><span class="w"> </span><span class="k">init</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-87" name="__codelineno-40-87" href="#__codelineno-40-87"></a><span class="w"> </span><span class="c1">// 初始化陣列，包含 100 個桶</span>
|
||
<a id="__codelineno-40-88" name="__codelineno-40-88" href="#__codelineno-40-88"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">i</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="m">0.</span><span class="p">.</span><span class="o"><</span><span class="m">100</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-89" name="__codelineno-40-89" href="#__codelineno-40-89"></a><span class="w"> </span><span class="n">buckets</span><span class="o">[</span><span class="n">i</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kc">null</span>
|
||
<a id="__codelineno-40-90" name="__codelineno-40-90" href="#__codelineno-40-90"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-91" name="__codelineno-40-91" href="#__codelineno-40-91"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-92" name="__codelineno-40-92" href="#__codelineno-40-92"></a>
|
||
<a id="__codelineno-40-93" name="__codelineno-40-93" href="#__codelineno-40-93"></a><span class="w"> </span><span class="cm">/* 雜湊函式 */</span>
|
||
<a id="__codelineno-40-94" name="__codelineno-40-94" href="#__codelineno-40-94"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">hashFunc</span><span class="p">(</span><span class="n">key</span><span class="p">:</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-40-95" name="__codelineno-40-95" href="#__codelineno-40-95"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">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>
|
||
<a id="__codelineno-40-96" name="__codelineno-40-96" href="#__codelineno-40-96"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">index</span>
|
||
<a id="__codelineno-40-97" name="__codelineno-40-97" href="#__codelineno-40-97"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-98" name="__codelineno-40-98" href="#__codelineno-40-98"></a>
|
||
<a id="__codelineno-40-99" name="__codelineno-40-99" href="#__codelineno-40-99"></a><span class="w"> </span><span class="cm">/* 查詢操作 */</span>
|
||
<a id="__codelineno-40-100" name="__codelineno-40-100" href="#__codelineno-40-100"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">get</span><span class="p">(</span><span class="n">key</span><span class="p">:</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-40-101" name="__codelineno-40-101" href="#__codelineno-40-101"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">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-40-102" name="__codelineno-40-102" href="#__codelineno-40-102"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">pair</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">buckets</span><span class="o">[</span><span class="n">index</span><span class="o">]</span><span class="w"> </span><span class="o">?:</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="kc">null</span>
|
||
<a id="__codelineno-40-103" name="__codelineno-40-103" href="#__codelineno-40-103"></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">value</span>
|
||
<a id="__codelineno-40-104" name="__codelineno-40-104" href="#__codelineno-40-104"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-105" name="__codelineno-40-105" href="#__codelineno-40-105"></a>
|
||
<a id="__codelineno-40-106" name="__codelineno-40-106" href="#__codelineno-40-106"></a><span class="w"> </span><span class="cm">/* 新增操作 */</span>
|
||
<a id="__codelineno-40-107" name="__codelineno-40-107" href="#__codelineno-40-107"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">put</span><span class="p">(</span><span class="n">key</span><span class="p">:</span><span class="w"> </span><span class="kt">Int</span><span class="p">,</span><span class="w"> </span><span class="n">value</span><span class="p">:</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-40-108" name="__codelineno-40-108" href="#__codelineno-40-108"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">pair</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">Pair</span><span class="p">(</span><span class="n">key</span><span class="p">,</span><span class="w"> </span><span class="n">value</span><span class="p">)</span>
|
||
<a id="__codelineno-40-109" name="__codelineno-40-109" href="#__codelineno-40-109"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">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-40-110" name="__codelineno-40-110" href="#__codelineno-40-110"></a><span class="w"> </span><span class="n">buckets</span><span class="o">[</span><span class="n">index</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">pair</span>
|
||
<a id="__codelineno-40-111" name="__codelineno-40-111" href="#__codelineno-40-111"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-112" name="__codelineno-40-112" href="#__codelineno-40-112"></a>
|
||
<a id="__codelineno-40-113" name="__codelineno-40-113" href="#__codelineno-40-113"></a><span class="w"> </span><span class="cm">/* 刪除操作 */</span>
|
||
<a id="__codelineno-40-114" name="__codelineno-40-114" href="#__codelineno-40-114"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">remove</span><span class="p">(</span><span class="n">key</span><span class="p">:</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-40-115" name="__codelineno-40-115" href="#__codelineno-40-115"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">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-40-116" name="__codelineno-40-116" href="#__codelineno-40-116"></a><span class="w"> </span><span class="c1">// 置為 null ，代表刪除</span>
|
||
<a id="__codelineno-40-117" name="__codelineno-40-117" href="#__codelineno-40-117"></a><span class="w"> </span><span class="n">buckets</span><span class="o">[</span><span class="n">index</span><span class="o">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kc">null</span>
|
||
<a id="__codelineno-40-118" name="__codelineno-40-118" href="#__codelineno-40-118"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-119" name="__codelineno-40-119" href="#__codelineno-40-119"></a>
|
||
<a id="__codelineno-40-120" name="__codelineno-40-120" href="#__codelineno-40-120"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵值對 */</span>
|
||
<a id="__codelineno-40-121" name="__codelineno-40-121" href="#__codelineno-40-121"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">pairSet</span><span class="p">():</span><span class="w"> </span><span class="n">MutableList</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-122" name="__codelineno-40-122" href="#__codelineno-40-122"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">pairSet</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ArrayList</span><span class="o"><</span><span class="n">Pair</span><span class="o">></span><span class="p">()</span>
|
||
<a id="__codelineno-40-123" name="__codelineno-40-123" href="#__codelineno-40-123"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-124" name="__codelineno-40-124" href="#__codelineno-40-124"></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><span class="w"> </span><span class="n">pairSet</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-40-125" name="__codelineno-40-125" href="#__codelineno-40-125"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-126" name="__codelineno-40-126" href="#__codelineno-40-126"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">pairSet</span>
|
||
<a id="__codelineno-40-127" name="__codelineno-40-127" href="#__codelineno-40-127"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-128" name="__codelineno-40-128" href="#__codelineno-40-128"></a>
|
||
<a id="__codelineno-40-129" name="__codelineno-40-129" href="#__codelineno-40-129"></a><span class="w"> </span><span class="cm">/* 獲取所有鍵 */</span>
|
||
<a id="__codelineno-40-130" name="__codelineno-40-130" href="#__codelineno-40-130"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">keySet</span><span class="p">():</span><span class="w"> </span><span class="n">MutableList</span><span class="o"><</span><span class="kt">Int</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-131" name="__codelineno-40-131" href="#__codelineno-40-131"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">keySet</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ArrayList</span><span class="o"><</span><span class="kt">Int</span><span class="o">></span><span class="p">()</span>
|
||
<a id="__codelineno-40-132" name="__codelineno-40-132" href="#__codelineno-40-132"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-133" name="__codelineno-40-133" href="#__codelineno-40-133"></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><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-40-134" name="__codelineno-40-134" href="#__codelineno-40-134"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-135" name="__codelineno-40-135" href="#__codelineno-40-135"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">keySet</span>
|
||
<a id="__codelineno-40-136" name="__codelineno-40-136" href="#__codelineno-40-136"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-137" name="__codelineno-40-137" href="#__codelineno-40-137"></a>
|
||
<a id="__codelineno-40-138" name="__codelineno-40-138" href="#__codelineno-40-138"></a><span class="w"> </span><span class="cm">/* 獲取所有值 */</span>
|
||
<a id="__codelineno-40-139" name="__codelineno-40-139" href="#__codelineno-40-139"></a><span class="w"> </span><span class="kd">fun</span><span class="w"> </span><span class="nf">valueSet</span><span class="p">():</span><span class="w"> </span><span class="n">MutableList</span><span class="o"><</span><span class="kt">String</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-140" name="__codelineno-40-140" href="#__codelineno-40-140"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">valueSet</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">ArrayList</span><span class="o"><</span><span class="kt">String</span><span class="o">></span><span class="p">()</span>
|
||
<a id="__codelineno-40-141" name="__codelineno-40-141" href="#__codelineno-40-141"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</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><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-142" name="__codelineno-40-142" href="#__codelineno-40-142"></a><span class="w"> </span><span class="n">pair</span><span class="o">?.</span><span class="na">let</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="n">valueSet</span><span class="p">.</span><span class="na">add</span><span class="p">(</span><span class="nb">it</span><span class="p">.</span><span class="na">value</span><span class="p">)</span><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-143" name="__codelineno-40-143" href="#__codelineno-40-143"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-144" name="__codelineno-40-144" href="#__codelineno-40-144"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">valueSet</span>
|
||
<a id="__codelineno-40-145" name="__codelineno-40-145" href="#__codelineno-40-145"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-146" name="__codelineno-40-146" href="#__codelineno-40-146"></a>
|
||
<a id="__codelineno-40-147" name="__codelineno-40-147" href="#__codelineno-40-147"></a><span class="w"> </span><span class="cm">/* 列印雜湊表 */</span>
|
||
<a id="__codelineno-40-148" name="__codelineno-40-148" href="#__codelineno-40-148"></a><span class="w"> </span><span class="kd">fun</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-40-149" name="__codelineno-40-149" href="#__codelineno-40-149"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="n">kv</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="n">pairSet</span><span class="p">())</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-40-150" name="__codelineno-40-150" href="#__codelineno-40-150"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">key</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">key</span>
|
||
<a id="__codelineno-40-151" name="__codelineno-40-151" href="#__codelineno-40-151"></a><span class="w"> </span><span class="kd">val</span><span class="w"> </span><span class="nv">value</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">value</span>
|
||
<a id="__codelineno-40-152" name="__codelineno-40-152" href="#__codelineno-40-152"></a><span class="w"> </span><span class="n">println</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-40-153" name="__codelineno-40-153" href="#__codelineno-40-153"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-154" name="__codelineno-40-154" href="#__codelineno-40-154"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-40-155" name="__codelineno-40-155" href="#__codelineno-40-155"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">array_hash_map.rb</span><pre><span></span><code><a id="__codelineno-41-1" name="__codelineno-41-1" href="#__codelineno-41-1"></a><span class="o">[</span><span class="n">class</span><span class="o">]</span><span class="p">{</span><span class="no">Pair</span><span class="p">}</span><span class="o">-[</span><span class="n">func</span><span class="o">]</span><span class="p">{}</span>
|
||
<a id="__codelineno-41-2" name="__codelineno-41-2" href="#__codelineno-41-2"></a>
|
||
<a id="__codelineno-41-3" name="__codelineno-41-3" href="#__codelineno-41-3"></a><span class="o">[</span><span class="n">class</span><span class="o">]</span><span class="p">{</span><span class="no">ArrayHashMap</span><span class="p">}</span><span class="o">-[</span><span class="n">func</span><span class="o">]</span><span class="p">{}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
<div class="tabbed-block">
|
||
<div class="highlight"><span class="filename">array_hash_map.zig</span><pre><span></span><code><a id="__codelineno-42-1" name="__codelineno-42-1" href="#__codelineno-42-1"></a><span class="c1">// 鍵值對</span>
|
||
<a id="__codelineno-42-2" name="__codelineno-42-2" href="#__codelineno-42-2"></a><span class="kr">const</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">struct</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-42-3" name="__codelineno-42-3" href="#__codelineno-42-3"></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-42-4" name="__codelineno-42-4" href="#__codelineno-42-4"></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-42-5" name="__codelineno-42-5" href="#__codelineno-42-5"></a>
|
||
<a id="__codelineno-42-6" name="__codelineno-42-6" href="#__codelineno-42-6"></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">Pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-42-7" name="__codelineno-42-7" href="#__codelineno-42-7"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">Pair</span><span class="w"> </span><span class="p">{</span>
|
||
<a id="__codelineno-42-8" name="__codelineno-42-8" href="#__codelineno-42-8"></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-42-9" name="__codelineno-42-9" href="#__codelineno-42-9"></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-42-10" name="__codelineno-42-10" href="#__codelineno-42-10"></a><span class="w"> </span><span class="p">};</span>
|
||
<a id="__codelineno-42-11" name="__codelineno-42-11" href="#__codelineno-42-11"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-12" name="__codelineno-42-12" href="#__codelineno-42-12"></a><span class="p">};</span>
|
||
<a id="__codelineno-42-13" name="__codelineno-42-13" href="#__codelineno-42-13"></a>
|
||
<a id="__codelineno-42-14" name="__codelineno-42-14" href="#__codelineno-42-14"></a><span class="c1">// 基於陣列實現的雜湊表</span>
|
||
<a id="__codelineno-42-15" name="__codelineno-42-15" href="#__codelineno-42-15"></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-42-16" name="__codelineno-42-16" href="#__codelineno-42-16"></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>
|
||
<a id="__codelineno-42-17" name="__codelineno-42-17" href="#__codelineno-42-17"></a><span class="w"> </span><span class="n">bucket</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>
|
||
<a id="__codelineno-42-18" name="__codelineno-42-18" href="#__codelineno-42-18"></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-42-19" name="__codelineno-42-19" href="#__codelineno-42-19"></a>
|
||
<a id="__codelineno-42-20" name="__codelineno-42-20" href="#__codelineno-42-20"></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-42-21" name="__codelineno-42-21" href="#__codelineno-42-21"></a>
|
||
<a id="__codelineno-42-22" name="__codelineno-42-22" href="#__codelineno-42-22"></a><span class="w"> </span><span class="c1">// 建構子</span>
|
||
<a id="__codelineno-42-23" name="__codelineno-42-23" href="#__codelineno-42-23"></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-42-24" name="__codelineno-42-24" href="#__codelineno-42-24"></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>
|
||
<a id="__codelineno-42-25" name="__codelineno-42-25" href="#__codelineno-42-25"></a><span class="w"> </span><span class="c1">// 初始化一個長度為 100 的桶（陣列）</span>
|
||
<a id="__codelineno-42-26" name="__codelineno-42-26" href="#__codelineno-42-26"></a><span class="w"> </span><span class="n">self</span><span class="p">.</span><span class="n">bucket</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>
|
||
<a id="__codelineno-42-27" name="__codelineno-42-27" href="#__codelineno-42-27"></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-42-28" name="__codelineno-42-28" href="#__codelineno-42-28"></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>
|
||
<a id="__codelineno-42-29" name="__codelineno-42-29" href="#__codelineno-42-29"></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">bucket</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>
|
||
<a id="__codelineno-42-30" name="__codelineno-42-30" href="#__codelineno-42-30"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-31" name="__codelineno-42-31" href="#__codelineno-42-31"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-32" name="__codelineno-42-32" href="#__codelineno-42-32"></a>
|
||
<a id="__codelineno-42-33" name="__codelineno-42-33" href="#__codelineno-42-33"></a><span class="w"> </span><span class="c1">// 析構函式</span>
|
||
<a id="__codelineno-42-34" name="__codelineno-42-34" href="#__codelineno-42-34"></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>
|
||
<a id="__codelineno-42-35" name="__codelineno-42-35" href="#__codelineno-42-35"></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">bucket</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">bucket</span><span class="p">.</span><span class="o">?</span><span class="p">.</span><span class="n">deinit</span><span class="p">();</span>
|
||
<a id="__codelineno-42-36" name="__codelineno-42-36" href="#__codelineno-42-36"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-37" name="__codelineno-42-37" href="#__codelineno-42-37"></a>
|
||
<a id="__codelineno-42-38" name="__codelineno-42-38" href="#__codelineno-42-38"></a><span class="w"> </span><span class="c1">// 雜湊函式</span>
|
||
<a id="__codelineno-42-39" name="__codelineno-42-39" href="#__codelineno-42-39"></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-42-40" name="__codelineno-42-40" href="#__codelineno-42-40"></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-42-41" name="__codelineno-42-41" href="#__codelineno-42-41"></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-42-42" name="__codelineno-42-42" href="#__codelineno-42-42"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-43" name="__codelineno-42-43" href="#__codelineno-42-43"></a>
|
||
<a id="__codelineno-42-44" name="__codelineno-42-44" href="#__codelineno-42-44"></a><span class="w"> </span><span class="c1">// 查詢操作</span>
|
||
<a id="__codelineno-42-45" name="__codelineno-42-45" href="#__codelineno-42-45"></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-42-46" name="__codelineno-42-46" href="#__codelineno-42-46"></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>
|
||
<a id="__codelineno-42-47" name="__codelineno-42-47" href="#__codelineno-42-47"></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">bucket</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>
|
||
<a id="__codelineno-42-48" name="__codelineno-42-48" href="#__codelineno-42-48"></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-42-49" name="__codelineno-42-49" href="#__codelineno-42-49"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-50" name="__codelineno-42-50" href="#__codelineno-42-50"></a>
|
||
<a id="__codelineno-42-51" name="__codelineno-42-51" href="#__codelineno-42-51"></a><span class="w"> </span><span class="c1">// 新增操作</span>
|
||
<a id="__codelineno-42-52" name="__codelineno-42-52" href="#__codelineno-42-52"></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-42-53" name="__codelineno-42-53" href="#__codelineno-42-53"></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">Pair</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-42-54" name="__codelineno-42-54" href="#__codelineno-42-54"></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>
|
||
<a id="__codelineno-42-55" name="__codelineno-42-55" href="#__codelineno-42-55"></a><span class="w"> </span><span class="n">self</span><span class="p">.</span><span class="n">bucket</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>
|
||
<a id="__codelineno-42-56" name="__codelineno-42-56" href="#__codelineno-42-56"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-57" name="__codelineno-42-57" href="#__codelineno-42-57"></a>
|
||
<a id="__codelineno-42-58" name="__codelineno-42-58" href="#__codelineno-42-58"></a><span class="w"> </span><span class="c1">// 刪除操作</span>
|
||
<a id="__codelineno-42-59" name="__codelineno-42-59" href="#__codelineno-42-59"></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-42-60" name="__codelineno-42-60" href="#__codelineno-42-60"></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-42-61" name="__codelineno-42-61" href="#__codelineno-42-61"></a><span class="w"> </span><span class="c1">// 置為 null ，代表刪除</span>
|
||
<a id="__codelineno-42-62" name="__codelineno-42-62" href="#__codelineno-42-62"></a><span class="w"> </span><span class="n">self</span><span class="p">.</span><span class="n">bucket</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>
|
||
<a id="__codelineno-42-63" name="__codelineno-42-63" href="#__codelineno-42-63"></a><span class="w"> </span><span class="p">}</span><span class="w"> </span>
|
||
<a id="__codelineno-42-64" name="__codelineno-42-64" href="#__codelineno-42-64"></a>
|
||
<a id="__codelineno-42-65" name="__codelineno-42-65" href="#__codelineno-42-65"></a><span class="w"> </span><span class="c1">// 獲取所有鍵值對</span>
|
||
<a id="__codelineno-42-66" name="__codelineno-42-66" href="#__codelineno-42-66"></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">pairSet</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-42-67" name="__codelineno-42-67" href="#__codelineno-42-67"></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>
|
||
<a id="__codelineno-42-68" name="__codelineno-42-68" href="#__codelineno-42-68"></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">bucket</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>
|
||
<a id="__codelineno-42-69" name="__codelineno-42-69" href="#__codelineno-42-69"></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-42-70" name="__codelineno-42-70" href="#__codelineno-42-70"></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-42-71" name="__codelineno-42-71" href="#__codelineno-42-71"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-72" name="__codelineno-42-72" href="#__codelineno-42-72"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">entry_set</span><span class="p">;</span>
|
||
<a id="__codelineno-42-73" name="__codelineno-42-73" href="#__codelineno-42-73"></a><span class="w"> </span><span class="p">}</span><span class="w"> </span>
|
||
<a id="__codelineno-42-74" name="__codelineno-42-74" href="#__codelineno-42-74"></a>
|
||
<a id="__codelineno-42-75" name="__codelineno-42-75" href="#__codelineno-42-75"></a><span class="w"> </span><span class="c1">// 獲取所有鍵</span>
|
||
<a id="__codelineno-42-76" name="__codelineno-42-76" href="#__codelineno-42-76"></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-42-77" name="__codelineno-42-77" href="#__codelineno-42-77"></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>
|
||
<a id="__codelineno-42-78" name="__codelineno-42-78" href="#__codelineno-42-78"></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">bucket</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>
|
||
<a id="__codelineno-42-79" name="__codelineno-42-79" href="#__codelineno-42-79"></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-42-80" name="__codelineno-42-80" href="#__codelineno-42-80"></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-42-81" name="__codelineno-42-81" href="#__codelineno-42-81"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-82" name="__codelineno-42-82" href="#__codelineno-42-82"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">key_set</span><span class="p">;</span>
|
||
<a id="__codelineno-42-83" name="__codelineno-42-83" href="#__codelineno-42-83"></a><span class="w"> </span><span class="p">}</span><span class="w"> </span>
|
||
<a id="__codelineno-42-84" name="__codelineno-42-84" href="#__codelineno-42-84"></a>
|
||
<a id="__codelineno-42-85" name="__codelineno-42-85" href="#__codelineno-42-85"></a><span class="w"> </span><span class="c1">// 獲取所有值</span>
|
||
<a id="__codelineno-42-86" name="__codelineno-42-86" href="#__codelineno-42-86"></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-42-87" name="__codelineno-42-87" href="#__codelineno-42-87"></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>
|
||
<a id="__codelineno-42-88" name="__codelineno-42-88" href="#__codelineno-42-88"></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">bucket</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>
|
||
<a id="__codelineno-42-89" name="__codelineno-42-89" href="#__codelineno-42-89"></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-42-90" name="__codelineno-42-90" href="#__codelineno-42-90"></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-42-91" name="__codelineno-42-91" href="#__codelineno-42-91"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-92" name="__codelineno-42-92" href="#__codelineno-42-92"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">value_set</span><span class="p">;</span>
|
||
<a id="__codelineno-42-93" name="__codelineno-42-93" href="#__codelineno-42-93"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-94" name="__codelineno-42-94" href="#__codelineno-42-94"></a>
|
||
<a id="__codelineno-42-95" name="__codelineno-42-95" href="#__codelineno-42-95"></a><span class="w"> </span><span class="c1">// 列印雜湊表</span>
|
||
<a id="__codelineno-42-96" name="__codelineno-42-96" href="#__codelineno-42-96"></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-42-97" name="__codelineno-42-97" href="#__codelineno-42-97"></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">pairSet</span><span class="p">();</span>
|
||
<a id="__codelineno-42-98" name="__codelineno-42-98" href="#__codelineno-42-98"></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-42-99" name="__codelineno-42-99" href="#__codelineno-42-99"></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-42-100" name="__codelineno-42-100" href="#__codelineno-42-100"></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-42-101" name="__codelineno-42-101" href="#__codelineno-42-101"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-102" name="__codelineno-42-102" href="#__codelineno-42-102"></a><span class="w"> </span><span class="p">}</span>
|
||
<a id="__codelineno-42-103" name="__codelineno-42-103" href="#__codelineno-42-103"></a><span class="w"> </span><span class="p">};</span>
|
||
<a id="__codelineno-42-104" name="__codelineno-42-104" href="#__codelineno-42-104"></a><span class="p">}</span>
|
||
</code></pre></div>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<details class="pythontutor">
|
||
<summary>視覺化執行</summary>
|
||
<p><div style="height: 549px; width: 100%;"><iframe class="pythontutor-iframe" src="https://pythontutor.com/iframe-embed.html#code=class%20Pair%3A%0A%20%20%20%20%22%22%22%E9%94%AE%E5%80%BC%E5%AF%B9%22%22%22%0A%20%20%20%20def%20__init__%28self,%20key%3A%20int,%20val%3A%20str%29%3A%0A%20%20%20%20%20%20%20%20self.key%20%3D%20key%0A%20%20%20%20%20%20%20%20self.val%20%3D%20val%0A%0A%0Aclass%20ArrayHashMap%3A%0A%20%20%20%20%22%22%22%E5%9F%BA%E4%BA%8E%E6%95%B0%E7%BB%84%E5%AE%9E%E7%8E%B0%E7%9A%84%E5%93%88%E5%B8%8C%E8%A1%A8%22%22%22%0A%0A%20%20%20%20def%20__init__%28self%29%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E6%9E%84%E9%80%A0%E6%96%B9%E6%B3%95%22%22%22%0A%20%20%20%20%20%20%20%20%23%20%E5%88%9D%E5%A7%8B%E5%8C%96%E6%95%B0%E7%BB%84%EF%BC%8C%E5%8C%85%E5%90%AB%2020%20%E4%B8%AA%E6%A1%B6%0A%20%20%20%20%20%20%20%20self.buckets%3A%20list%5BPair%20%7C%20None%5D%20%3D%20%5BNone%5D%20*%2020%0A%0A%20%20%20%20def%20hash_func%28self,%20key%3A%20int%29%20-%3E%20int%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E5%93%88%E5%B8%8C%E5%87%BD%E6%95%B0%22%22%22%0A%20%20%20%20%20%20%20%20index%20%3D%20key%20%25%2020%0A%20%20%20%20%20%20%20%20return%20index%0A%0A%20%20%20%20def%20get%28self,%20key%3A%20int%29%20-%3E%20str%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E6%9F%A5%E8%AF%A2%E6%93%8D%E4%BD%9C%22%22%22%0A%20%20%20%20%20%20%20%20index%3A%20int%20%3D%20self.hash_func%28key%29%0A%20%20%20%20%20%20%20%20pair%3A%20Pair%20%3D%20self.buckets%5Bindex%5D%0A%20%20%20%20%20%20%20%20if%20pair%20is%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20return%20None%0A%20%20%20%20%20%20%20%20return%20pair.val%0A%0A%20%20%20%20def%20put%28self,%20key%3A%20int,%20val%3A%20str%29%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E6%B7%BB%E5%8A%A0%E6%93%8D%E4%BD%9C%22%22%22%0A%20%20%20%20%20%20%20%20pair%20%3D%20Pair%28key,%20val%29%0A%20%20%20%20%20%20%20%20index%3A%20int%20%3D%20self.hash_func%28key%29%0A%20%20%20%20%20%20%20%20self.buckets%5Bindex%5D%20%3D%20pair%0A%0A%20%20%20%20def%20remove%28self,%20key%3A%20int%29%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E5%88%A0%E9%99%A4%E6%93%8D%E4%BD%9C%22%22%22%0A%20%20%20%20%20%20%20%20index%3A%20int%20%3D%20self.hash_func%28key%29%0A%20%20%20%20%20%20%20%20%23%20%E7%BD%AE%E4%B8%BA%20None%20%EF%BC%8C%E4%BB%A3%E8%A1%A8%E5%88%A0%E9%99%A4%0A%20%20%20%20%20%20%20%20self.buckets%5Bindex%5D%20%3D%20None%0A%0A%20%20%20%20def%20entry_set%28self%29%20-%3E%20list%5BPair%5D%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E8%8E%B7%E5%8F%96%E6%89%80%E6%9C%89%E9%94%AE%E5%80%BC%E5%AF%B9%22%22%22%0A%20%20%20%20%20%20%20%20result%3A%20list%5BPair%5D%20%3D%20%5B%5D%0A%20%20%20%20%20%20%20%20for%20pair%20in%20self.buckets%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20if%20pair%20is%20not%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20result.append%28pair%29%0A%20%20%20%20%20%20%20%20return%20result%0A%0A%20%20%20%20def%20key_set%28self%29%20-%3E%20list%5Bint%5D%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E8%8E%B7%E5%8F%96%E6%89%80%E6%9C%89%E9%94%AE%22%22%22%0A%20%20%20%20%20%20%20%20result%20%3D%20%5B%5D%0A%20%20%20%20%20%20%20%20for%20pair%20in%20self.buckets%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20if%20pair%20is%20not%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20result.append%28pair.key%29%0A%20%20%20%20%20%20%20%20return%20result%0A%0A%20%20%20%20def%20value_set%28self%29%20-%3E%20list%5Bstr%5D%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E8%8E%B7%E5%8F%96%E6%89%80%E6%9C%89%E5%80%BC%22%22%22%0A%20%20%20%20%20%20%20%20result%20%3D%20%5B%5D%0A%20%20%20%20%20%20%20%20for%20pair%20in%20self.buckets%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20if%20pair%20is%20not%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20result.append%28pair.val%29%0A%20%20%20%20%20%20%20%20return%20result%0A%0A%20%20%20%20def%20print%28self%29%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E6%89%93%E5%8D%B0%E5%93%88%E5%B8%8C%E8%A1%A8%22%22%22%0A%20%20%20%20%20%20%20%20for%20pair%20in%20self.buckets%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20if%20pair%20is%20not%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20print%28pair.key,%20%22-%3E%22,%20pair.val%29%0A%0A%0A%22%22%22Driver%20Code%22%22%22%0Aif%20__name__%20%3D%3D%20%22__main__%22%3A%0A%20%20%20%20%23%20%E5%88%9D%E5%A7%8B%E5%8C%96%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20hmap%20%3D%20ArrayHashMap%28%29%0A%0A%20%20%20%20%23%20%E6%B7%BB%E5%8A%A0%E6%93%8D%E4%BD%9C%0A%20%20%20%20hmap.put%2812836,%20%22%E5%B0%8F%E5%93%88%22%29%0A%20%20%20%20hmap.put%2815937,%20%22%E5%B0%8F%E5%95%B0%22%29%0A%20%20%20%20hmap.put%2816750,%20%22%E5%B0%8F%E7%AE%97%22%29%0A%20%20%20%20hmap.put%2813276,%20%22%E5%B0%8F%E6%B3%95%22%29%0A%20%20%20%20hmap.put%2810583,%20%22%E5%B0%8F%E9%B8%AD%22%29%0A%0A%20%20%20%20%23%20%E6%9F%A5%E8%AF%A2%E6%93%8D%E4%BD%9C%0A%20%20%20%20name%20%3D%20hmap.get%2815937%29%0A%0A%20%20%20%20%23%20%E5%88%A0%E9%99%A4%E6%93%8D%E4%BD%9C%0A%20%20%20%20hmap.remove%2810583%29%0A%0A%20%20%20%20%23%20%E9%81%8D%E5%8E%86%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20print%28%22%5Cn%E9%81%8D%E5%8E%86%E9%94%AE%E5%80%BC%E5%AF%B9%20Key-%3EValue%22%29%0A%20%20%20%20for%20pair%20in%20hmap.entry_set%28%29%3A%0A%20%2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</iframe></div>
|
||
<div style="margin-top: 5px;"><a href="https://pythontutor.com/iframe-embed.html#code=class%20Pair%3A%0A%20%20%20%20%22%22%22%E9%94%AE%E5%80%BC%E5%AF%B9%22%22%22%0A%20%20%20%20def%20__init__%28self,%20key%3A%20int,%20val%3A%20str%29%3A%0A%20%20%20%20%20%20%20%20self.key%20%3D%20key%0A%20%20%20%20%20%20%20%20self.val%20%3D%20val%0A%0A%0Aclass%20ArrayHashMap%3A%0A%20%20%20%20%22%22%22%E5%9F%BA%E4%BA%8E%E6%95%B0%E7%BB%84%E5%AE%9E%E7%8E%B0%E7%9A%84%E5%93%88%E5%B8%8C%E8%A1%A8%22%22%22%0A%0A%20%20%20%20def%20__init__%28self%29%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E6%9E%84%E9%80%A0%E6%96%B9%E6%B3%95%22%22%22%0A%20%20%20%20%20%20%20%20%23%20%E5%88%9D%E5%A7%8B%E5%8C%96%E6%95%B0%E7%BB%84%EF%BC%8C%E5%8C%85%E5%90%AB%2020%20%E4%B8%AA%E6%A1%B6%0A%20%20%20%20%20%20%20%20self.buckets%3A%20list%5BPair%20%7C%20None%5D%20%3D%20%5BNone%5D%20*%2020%0A%0A%20%20%20%20def%20hash_func%28self,%20key%3A%20int%29%20-%3E%20int%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E5%93%88%E5%B8%8C%E5%87%BD%E6%95%B0%22%22%22%0A%20%20%20%20%20%20%20%20index%20%3D%20key%20%25%2020%0A%20%20%20%20%20%20%20%20return%20index%0A%0A%20%20%20%20def%20get%28self,%20key%3A%20int%29%20-%3E%20str%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E6%9F%A5%E8%AF%A2%E6%93%8D%E4%BD%9C%22%22%22%0A%20%20%20%20%20%20%20%20index%3A%20int%20%3D%20self.hash_func%28key%29%0A%20%20%20%20%20%20%20%20pair%3A%20Pair%20%3D%20self.buckets%5Bindex%5D%0A%20%20%20%20%20%20%20%20if%20pair%20is%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20return%20None%0A%20%20%20%20%20%20%20%20return%20pair.val%0A%0A%20%20%20%20def%20put%28self,%20key%3A%20int,%20val%3A%20str%29%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E6%B7%BB%E5%8A%A0%E6%93%8D%E4%BD%9C%22%22%22%0A%20%20%20%20%20%20%20%20pair%20%3D%20Pair%28key,%20val%29%0A%20%20%20%20%20%20%20%20index%3A%20int%20%3D%20self.hash_func%28key%29%0A%20%20%20%20%20%20%20%20self.buckets%5Bindex%5D%20%3D%20pair%0A%0A%20%20%20%20def%20remove%28self,%20key%3A%20int%29%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E5%88%A0%E9%99%A4%E6%93%8D%E4%BD%9C%22%22%22%0A%20%20%20%20%20%20%20%20index%3A%20int%20%3D%20self.hash_func%28key%29%0A%20%20%20%20%20%20%20%20%23%20%E7%BD%AE%E4%B8%BA%20None%20%EF%BC%8C%E4%BB%A3%E8%A1%A8%E5%88%A0%E9%99%A4%0A%20%20%20%20%20%20%20%20self.buckets%5Bindex%5D%20%3D%20None%0A%0A%20%20%20%20def%20entry_set%28self%29%20-%3E%20list%5BPair%5D%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E8%8E%B7%E5%8F%96%E6%89%80%E6%9C%89%E9%94%AE%E5%80%BC%E5%AF%B9%22%22%22%0A%20%20%20%20%20%20%20%20result%3A%20list%5BPair%5D%20%3D%20%5B%5D%0A%20%20%20%20%20%20%20%20for%20pair%20in%20self.buckets%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20if%20pair%20is%20not%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20result.append%28pair%29%0A%20%20%20%20%20%20%20%20return%20result%0A%0A%20%20%20%20def%20key_set%28self%29%20-%3E%20list%5Bint%5D%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E8%8E%B7%E5%8F%96%E6%89%80%E6%9C%89%E9%94%AE%22%22%22%0A%20%20%20%20%20%20%20%20result%20%3D%20%5B%5D%0A%20%20%20%20%20%20%20%20for%20pair%20in%20self.buckets%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20if%20pair%20is%20not%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20result.append%28pair.key%29%0A%20%20%20%20%20%20%20%20return%20result%0A%0A%20%20%20%20def%20value_set%28self%29%20-%3E%20list%5Bstr%5D%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E8%8E%B7%E5%8F%96%E6%89%80%E6%9C%89%E5%80%BC%22%22%22%0A%20%20%20%20%20%20%20%20result%20%3D%20%5B%5D%0A%20%20%20%20%20%20%20%20for%20pair%20in%20self.buckets%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20if%20pair%20is%20not%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20result.append%28pair.val%29%0A%20%20%20%20%20%20%20%20return%20result%0A%0A%20%20%20%20def%20print%28self%29%3A%0A%20%20%20%20%20%20%20%20%22%22%22%E6%89%93%E5%8D%B0%E5%93%88%E5%B8%8C%E8%A1%A8%22%22%22%0A%20%20%20%20%20%20%20%20for%20pair%20in%20self.buckets%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20if%20pair%20is%20not%20None%3A%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20print%28pair.key,%20%22-%3E%22,%20pair.val%29%0A%0A%0A%22%22%22Driver%20Code%22%22%22%0Aif%20__name__%20%3D%3D%20%22__main__%22%3A%0A%20%20%20%20%23%20%E5%88%9D%E5%A7%8B%E5%8C%96%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20hmap%20%3D%20ArrayHashMap%28%29%0A%0A%20%20%20%20%23%20%E6%B7%BB%E5%8A%A0%E6%93%8D%E4%BD%9C%0A%20%20%20%20hmap.put%2812836,%20%22%E5%B0%8F%E5%93%88%22%29%0A%20%20%20%20hmap.put%2815937,%20%22%E5%B0%8F%E5%95%B0%22%29%0A%20%20%20%20hmap.put%2816750,%20%22%E5%B0%8F%E7%AE%97%22%29%0A%20%20%20%20hmap.put%2813276,%20%22%E5%B0%8F%E6%B3%95%22%29%0A%20%20%20%20hmap.put%2810583,%20%22%E5%B0%8F%E9%B8%AD%22%29%0A%0A%20%20%20%20%23%20%E6%9F%A5%E8%AF%A2%E6%93%8D%E4%BD%9C%0A%20%20%20%20name%20%3D%20hmap.get%2815937%29%0A%0A%20%20%20%20%23%20%E5%88%A0%E9%99%A4%E6%93%8D%E4%BD%9C%0A%20%20%20%20hmap.remove%2810583%29%0A%0A%20%20%20%20%23%20%E9%81%8D%E5%8E%86%E5%93%88%E5%B8%8C%E8%A1%A8%0A%20%20%20%20print%28%22%5Cn%E9%81%8D%E5%8E%86%E9%94%AE%E5%80%BC%E5%AF%B9%20Key-%3EValue%22%29%0A%20%20%20%20for%20pair%20in%20hmap.entry_set%28%29%3A%0A%20%20%20%20%20%20%20%20print%28pair.key,%20%22-%3E%22,%20pair.val%29&codeDivHeight=800&codeDivWidth=600&cumulative=false&curInstr=4&heapPrimitives=nevernest&origin=opt-frontend.js&py=311&rawInputLstJSON=%5B%5D&textReferences=false" target="_blank" rel="noopener noreferrer">全螢幕觀看 ></a></div></p>
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</details>
|
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<h2 id="613">6.1.3 雜湊衝突與擴容<a class="headerlink" href="#613" title="Permanent link">¶</a></h2>
|
||
<p>從本質上看，雜湊函式的作用是將所有 <code>key</code> 構成的輸入空間對映到陣列所有索引構成的輸出空間，而輸入空間往往遠大於輸出空間。因此，<strong>理論上一定存在“多個輸入對應相同輸出”的情況</strong>。</p>
|
||
<p>對於上述示例中的雜湊函式，當輸入的 <code>key</code> 後兩位相同時，雜湊函式的輸出結果也相同。例如，查詢學號為 12836 和 20336 的兩個學生時，我們得到：</p>
|
||
<div class="highlight"><pre><span></span><code><a id="__codelineno-43-1" name="__codelineno-43-1" href="#__codelineno-43-1"></a><span class="m">12836</span><span class="w"> </span>%<span class="w"> </span><span class="nv">100</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">36</span>
|
||
<a id="__codelineno-43-2" name="__codelineno-43-2" href="#__codelineno-43-2"></a><span class="m">20336</span><span class="w"> </span>%<span class="w"> </span><span class="nv">100</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">36</span>
|
||
</code></pre></div>
|
||
<p>如圖 6-3 所示，兩個學號指向了同一個姓名，這顯然是不對的。我們將這種多個輸入對應同一輸出的情況稱為<u>雜湊衝突（hash collision）</u>。</p>
|
||
<p><a class="glightbox" href="../hash_map.assets/hash_collision.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="雜湊衝突示例" class="animation-figure" src="../hash_map.assets/hash_collision.png" /></a></p>
|
||
<p align="center"> 圖 6-3 雜湊衝突示例 </p>
|
||
|
||
<p>容易想到，雜湊表容量 <span class="arithmatex">\(n\)</span> 越大，多個 <code>key</code> 被分配到同一個桶中的機率就越低，衝突就越少。因此，<strong>我們可以透過擴容雜湊表來減少雜湊衝突</strong>。</p>
|
||
<p>如圖 6-4 所示，擴容前鍵值對 <code>(136, A)</code> 和 <code>(236, D)</code> 發生衝突，擴容後衝突消失。</p>
|
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<p><a class="glightbox" href="../hash_map.assets/hash_table_reshash.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="雜湊表擴容" class="animation-figure" src="../hash_map.assets/hash_table_reshash.png" /></a></p>
|
||
<p align="center"> 圖 6-4 雜湊表擴容 </p>
|
||
|
||
<p>類似於陣列擴容，雜湊表擴容需將所有鍵值對從原雜湊表遷移至新雜湊表，非常耗時；並且由於雜湊表容量 <code>capacity</code> 改變，我們需要透過雜湊函式來重新計算所有鍵值對的儲存位置，這進一步增加了擴容過程的計算開銷。為此，程式語言通常會預留足夠大的雜湊表容量，防止頻繁擴容。</p>
|
||
<p><u>負載因子（load factor）</u>是雜湊表的一個重要概念，其定義為雜湊表的元素數量除以桶數量，用於衡量雜湊衝突的嚴重程度，<strong>也常作為雜湊表擴容的觸發條件</strong>。例如在 Java 中，當負載因子超過 <span class="arithmatex">\(0.75\)</span> 時，系統會將雜湊表擴容至原先的 <span class="arithmatex">\(2\)</span> 倍。</p>
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