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@ -1860,16 +1860,16 @@
</div>
</div>
</div>
<p>再比如，如果我们想要给定一个目标结点值 <code>target</code> ，获取对应的链表结点对象，那么也可以使用哈希查找实现。</p>
<p><img alt="哈希查找链表结点" src="../hashing_search.assets/hash_search_listnode.png" /></p>
<p align="center"> Fig. 哈希查找链表结点 </p>
<p>再比如，如果我们想要给定一个目标节点值 <code>target</code> ，获取对应的链表节点对象，那么也可以使用哈希查找实现。</p>
<p><img alt="哈希查找链表节点" src="../hashing_search.assets/hash_search_listnode.png" /></p>
<p align="center"> Fig. 哈希查找链表节点 </p>
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<div class="highlight"><span class="filename">hashing_search.java</span><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a><span class="cm">/* 哈希查找（链表） */</span>
<a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a><span class="n">ListNode</span><span class="w"> </span><span class="nf">hashingSearchLinkedList</span><span class="p">(</span><span class="n">Map</span><span class="o">&lt;</span><span class="n">Integer</span><span class="p">,</span><span class="w"> </span><span class="n">ListNode</span><span class="o">&gt;</span><span class="w"> </span><span class="n">map</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">target</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标结点值，value: 结点对象</span>
<a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标节点值，value: 节点对象</span>
<a id="__codelineno-10-4" name="__codelineno-10-4" href="#__codelineno-10-4"></a><span class="w"> </span><span class="c1">// 若哈希表中无此 key ，返回 null</span>
<a id="__codelineno-10-5" name="__codelineno-10-5" href="#__codelineno-10-5"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">map</span><span class="p">.</span><span class="na">getOrDefault</span><span class="p">(</span><span class="n">target</span><span class="p">,</span><span class="w"> </span><span class="kc">null</span><span class="p">);</span>
<a id="__codelineno-10-6" name="__codelineno-10-6" href="#__codelineno-10-6"></a><span class="p">}</span>
@ -1878,7 +1878,7 @@
<div class="tabbed-block">
<div class="highlight"><span class="filename">hashing_search.cpp</span><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a><span class="cm">/* 哈希查找（链表） */</span>
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a><span class="n">ListNode</span><span class="o">*</span><span class="w"> </span><span class="nf">hashingSearchLinkedList</span><span class="p">(</span><span class="n">unordered_map</span><span class="o">&lt;</span><span class="kt">int</span><span class="p">,</span><span class="w"> </span><span class="n">ListNode</span><span class="o">*&gt;</span><span class="w"> </span><span class="n">map</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">target</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标结点值，value: 结点对象</span>
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标节点值，value: 节点对象</span>
<a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a><span class="w"> </span><span class="c1">// 若哈希表中无此 key ，返回 nullptr</span>
<a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">map</span><span class="p">.</span><span class="n">find</span><span class="p">(</span><span class="n">target</span><span class="p">)</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>
<a id="__codelineno-11-6" name="__codelineno-11-6" href="#__codelineno-11-6"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="k">nullptr</span><span class="p">;</span>
@ -1889,7 +1889,7 @@
<div class="tabbed-block">
<div class="highlight"><span class="filename">hashing_search.py</span><pre><span></span><code><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a><span class="k">def</span> <span class="nf">hashing_search_linkedlist</span><span class="p">(</span><span class="n">mapp</span><span class="p">:</span> <span class="nb">dict</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">ListNode</span><span class="p">],</span> <span class="n">target</span><span class="p">:</span> <span class="nb">int</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">ListNode</span> <span class="o">|</span> <span class="kc">None</span><span class="p">:</span>
<a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a><span class="w"> </span><span class="sd">&quot;&quot;&quot; 哈希查找（链表） &quot;&quot;&quot;</span>
<a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a> <span class="c1"># 哈希表的 key: 目标元素，value: 结点对象</span>
<a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a> <span class="c1"># 哈希表的 key: 目标元素，value: 节点对象</span>
<a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a> <span class="c1"># 若哈希表中无此 key ，返回 None</span>
<a id="__codelineno-12-5" name="__codelineno-12-5" href="#__codelineno-12-5"></a> <span class="k">return</span> <span class="n">mapp</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">target</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
</code></pre></div>
@ -1897,7 +1897,7 @@
<div class="tabbed-block">
<div class="highlight"><span class="filename">hashing_search.go</span><pre><span></span><code><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a><span class="cm">/* 哈希查找（链表） */</span>
<a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a><span class="kd">func</span><span class="w"> </span><span class="nx">hashingSearchLinkedList</span><span class="p">(</span><span class="nx">m</span><span class="w"> </span><span class="kd">map</span><span class="p">[</span><span class="kt">int</span><span class="p">]</span><span class="o">*</span><span class="nx">ListNode</span><span class="p">,</span><span class="w"> </span><span class="nx">target</span><span class="w"> </span><span class="kt">int</span><span class="p">)</span><span class="w"> </span><span class="o">*</span><span class="nx">ListNode</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标结点值，value: 结点对象</span>
<a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标节点值，value: 节点对象</span>
<a id="__codelineno-13-4" name="__codelineno-13-4" href="#__codelineno-13-4"></a><span class="w"> </span><span class="c1">// 若哈希表中无此 key ，返回 nil</span>
<a id="__codelineno-13-5" name="__codelineno-13-5" href="#__codelineno-13-5"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="nx">node</span><span class="p">,</span><span class="w"> </span><span class="nx">ok</span><span class="w"> </span><span class="o">:=</span><span class="w"> </span><span class="nx">m</span><span class="p">[</span><span class="nx">target</span><span class="p">];</span><span class="w"> </span><span class="nx">ok</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-13-6" name="__codelineno-13-6" href="#__codelineno-13-6"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">node</span>
@ -1910,7 +1910,7 @@
<div class="tabbed-block">
<div class="highlight"><span class="filename">hashing_search.js</span><pre><span></span><code><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a><span class="cm">/* 哈希查找（链表） */</span>
<a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a><span class="kd">function</span><span class="w"> </span><span class="nx">hashingSearchLinkedList</span><span class="p">(</span><span class="nx">map</span><span class="p">,</span><span class="w"> </span><span class="nx">target</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标结点值，value: 结点对象</span>
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标节点值，value: 节点对象</span>
<a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a><span class="w"> </span><span class="c1">// 若哈希表中无此 key ，返回 null</span>
<a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">map</span><span class="p">.</span><span class="nx">has</span><span class="p">(</span><span class="nx">target</span><span class="p">)</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="nx">target</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-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a><span class="p">}</span>
@ -1919,7 +1919,7 @@
<div class="tabbed-block">
<div class="highlight"><span class="filename">hashing_search.ts</span><pre><span></span><code><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a><span class="cm">/* 哈希查找（链表） */</span>
<a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a><span class="kd">function</span><span class="w"> </span><span class="nx">hashingSearchLinkedList</span><span class="p">(</span><span class="nx">map</span><span class="o">:</span><span class="w"> </span><span class="kt">Map</span><span class="o">&lt;</span><span class="kt">number</span><span class="p">,</span><span class="w"> </span><span class="nx">ListNode</span><span class="o">&gt;</span><span class="p">,</span><span class="w"> </span><span class="nx">target</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="nx">ListNode</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-15-3" name="__codelineno-15-3" href="#__codelineno-15-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标结点值，value: 结点对象</span>
<a id="__codelineno-15-3" name="__codelineno-15-3" href="#__codelineno-15-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标节点值，value: 节点对象</span>
<a id="__codelineno-15-4" name="__codelineno-15-4" href="#__codelineno-15-4"></a><span class="w"> </span><span class="c1">// 若哈希表中无此 key ，返回 null</span>
<a id="__codelineno-15-5" name="__codelineno-15-5" href="#__codelineno-15-5"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">map</span><span class="p">.</span><span class="nx">has</span><span class="p">(</span><span class="nx">target</span><span class="p">)</span><span class="w"> </span><span class="o">?</span><span class="w"> </span><span class="p">(</span><span class="nx">map</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">target</span><span class="p">)</span><span class="w"> </span><span class="kr">as</span><span class="w"> </span><span class="nx">ListNode</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-15-6" name="__codelineno-15-6" href="#__codelineno-15-6"></a><span class="p">}</span>
@ -1934,7 +1934,7 @@
<a id="__codelineno-17-2" name="__codelineno-17-2" href="#__codelineno-17-2"></a><span class="n">ListNode</span><span class="o">?</span><span class="w"> </span><span class="n">hashingSearchLinkedList</span><span class="p">(</span><span class="n">Dictionary</span><span class="o">&lt;</span><span class="kt">int</span><span class="p">,</span><span class="w"> </span><span class="n">ListNode</span><span class="o">&gt;</span><span class="w"> </span><span class="n">map</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">target</span><span class="p">)</span>
<a id="__codelineno-17-3" name="__codelineno-17-3" href="#__codelineno-17-3"></a><span class="p">{</span>
<a id="__codelineno-17-4" name="__codelineno-17-4" href="#__codelineno-17-4"></a>
<a id="__codelineno-17-5" name="__codelineno-17-5" href="#__codelineno-17-5"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标结点值，value: 结点对象</span>
<a id="__codelineno-17-5" name="__codelineno-17-5" href="#__codelineno-17-5"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标节点值，value: 节点对象</span>
<a id="__codelineno-17-6" name="__codelineno-17-6" href="#__codelineno-17-6"></a><span class="w"> </span><span class="c1">// 若哈希表中无此 key ，返回 null</span>
<a id="__codelineno-17-7" name="__codelineno-17-7" href="#__codelineno-17-7"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">map</span><span class="p">.</span><span class="n">GetValueOrDefault</span><span class="p">(</span><span class="n">target</span><span class="p">);</span>
<a id="__codelineno-17-8" name="__codelineno-17-8" href="#__codelineno-17-8"></a><span class="p">}</span>
@ -1943,7 +1943,7 @@
<div class="tabbed-block">
<div class="highlight"><span class="filename">hashing_search.swift</span><pre><span></span><code><a id="__codelineno-18-1" name="__codelineno-18-1" href="#__codelineno-18-1"></a><span class="cm">/* 哈希查找（链表） */</span>
<a id="__codelineno-18-2" name="__codelineno-18-2" href="#__codelineno-18-2"></a><span class="kd">func</span> <span class="nf">hashingSearchLinkedList</span><span class="p">(</span><span class="bp">map</span><span class="p">:</span> <span class="p">[</span><span class="nb">Int</span><span class="p">:</span> <span class="n">ListNode</span><span class="p">],</span> <span class="n">target</span><span class="p">:</span> <span class="nb">Int</span><span class="p">)</span> <span class="p">-&gt;</span> <span class="n">ListNode</span><span class="p">?</span> <span class="p">{</span>
<a id="__codelineno-18-3" name="__codelineno-18-3" href="#__codelineno-18-3"></a> <span class="c1">// 哈希表的 key: 目标结点值，value: 结点对象</span>
<a id="__codelineno-18-3" name="__codelineno-18-3" href="#__codelineno-18-3"></a> <span class="c1">// 哈希表的 key: 目标节点值，value: 节点对象</span>
<a id="__codelineno-18-4" name="__codelineno-18-4" href="#__codelineno-18-4"></a> <span class="c1">// 若哈希表中无此 key ，返回 null</span>
<a id="__codelineno-18-5" name="__codelineno-18-5" href="#__codelineno-18-5"></a> <span class="k">return</span> <span class="bp">map</span><span class="p">[</span><span class="n">target</span><span class="p">]</span>
<a id="__codelineno-18-6" name="__codelineno-18-6" href="#__codelineno-18-6"></a><span class="p">}</span>
@ -1952,7 +1952,7 @@
<div class="tabbed-block">
<div class="highlight"><span class="filename">hashing_search.zig</span><pre><span></span><code><a id="__codelineno-19-1" name="__codelineno-19-1" href="#__codelineno-19-1"></a><span class="c1">// 哈希查找（链表）</span>
<a id="__codelineno-19-2" name="__codelineno-19-2" href="#__codelineno-19-2"></a><span class="k">fn</span><span class="w"> </span><span class="n">hashingSearchLinkedList</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="n">map</span><span class="o">:</span><span class="w"> </span><span class="n">std</span><span class="p">.</span><span class="n">AutoHashMap</span><span class="p">(</span><span class="n">T</span><span class="p">,</span><span class="w"> </span><span class="o">*</span><span class="n">inc</span><span class="p">.</span><span class="n">ListNode</span><span class="p">(</span><span class="n">T</span><span class="p">)),</span><span class="w"> </span><span class="n">target</span><span class="o">:</span><span class="w"> </span><span class="n">T</span><span class="p">)</span><span class="w"> </span><span class="o">?*</span><span class="n">inc</span><span class="p">.</span><span class="n">ListNode</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-19-3" name="__codelineno-19-3" href="#__codelineno-19-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标结点值，value: 结点对象</span>
<a id="__codelineno-19-3" name="__codelineno-19-3" href="#__codelineno-19-3"></a><span class="w"> </span><span class="c1">// 哈希表的 key: 目标节点值，value: 节点对象</span>
<a id="__codelineno-19-4" name="__codelineno-19-4" href="#__codelineno-19-4"></a><span class="w"> </span><span class="c1">// 若哈希表中无此 key ，返回 null </span>
<a id="__codelineno-19-5" name="__codelineno-19-5" href="#__codelineno-19-5"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">map</span><span class="p">.</span><span class="n">getKey</span><span class="p">(</span><span class="n">target</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><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-19-6" name="__codelineno-19-6" href="#__codelineno-19-6"></a><span class="w"> </span><span class="k">return</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="n">target</span><span class="p">);</span>