deploy: eb6ca64

Author: yanglbme

en/lc/2491/index.html

@@ -84208,7 +84208,7 @@ <h3 id="_3">方法一：排序</h3>
 
 <h3 id="_4">方法二：计数</h3>
 <p>时间复杂度 $O(n)$，空间复杂度 $O(n)$。其中 $n$ 是数组 <code>skill</code> 的长度。</p>
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 <div class="tabbed-block">
 <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"> 1</span>
@@ -84390,6 +84390,94 @@ <h3 id="_4">方法二：计数</h3>
 <span class="p">}</span>
 </code></pre></div></td></tr></table></div>
 </div>
+<div class="tabbed-block">
+<div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"> 1</span>
+<span class="normal"> 2</span>
+<span class="normal"> 3</span>
+<span class="normal"> 4</span>
+<span class="normal"> 5</span>
+<span class="normal"> 6</span>
+<span class="normal"> 7</span>
+<span class="normal"> 8</span>
+<span class="normal"> 9</span>
+<span class="normal">10</span>
+<span class="normal">11</span>
+<span class="normal">12</span>
+<span class="normal">13</span>
+<span class="normal">14</span>
+<span class="normal">15</span>
+<span class="normal">16</span>
+<span class="normal">17</span>
+<span class="normal">18</span>
+<span class="normal">19</span>
+<span class="normal">20</span>
+<span class="normal">21</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">function</span><span class="w"> </span><span class="nx">dividePlayers</span><span class="p">(</span><span class="nx">skill</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>
+<span class="w">    </span><span class="kd">let</span><span class="w"> </span><span class="p">[</span><span class="nx">sum</span><span class="p">,</span><span class="w"> </span><span class="nx">res</span><span class="p">,</span><span class="w"> </span><span class="nx">map</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[</span><span class="mf">0</span><span class="p">,</span><span class="w"> </span><span class="mf">0</span><span class="p">,</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nb">Map</span><span class="o">&lt;</span><span class="kt">number</span><span class="p">,</span><span class="w"> </span><span class="kt">number</span><span class="o">&gt;</span><span class="p">()];</span>
+
+<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">x</span><span class="w"> </span><span class="k">of</span><span class="w"> </span><span class="nx">skill</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
+<span class="w">        </span><span class="nx">sum</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="nx">x</span><span class="p">;</span>
+<span class="w">        </span><span class="nx">map</span><span class="p">.</span><span class="nx">set</span><span class="p">(</span><span class="nx">x</span><span class="p">,</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">x</span><span class="p">)</span><span class="w"> </span><span class="o">||</span><span class="w"> </span><span class="mf">0</span><span class="p">)</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mf">1</span><span class="p">);</span>
+<span class="w">    </span><span class="p">}</span>
+<span class="w">    </span><span class="nx">sum</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="nx">skill</span><span class="p">.</span><span class="nx">length</span><span class="w"> </span><span class="o">/</span><span class="w"> </span><span class="mf">2</span><span class="p">;</span>
+
+<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="p">[</span><span class="nx">x</span><span class="p">,</span><span class="w"> </span><span class="nx">c</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="w"> </span><span class="p">{</span>
+<span class="w">        </span><span class="kd">const</span><span class="w"> </span><span class="nx">complement</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">sum</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="nx">x</span><span class="p">;</span>
+<span class="w">        </span><span class="k">if</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">complement</span><span class="p">)</span><span class="w"> </span><span class="o">??</span><span class="w"> </span><span class="mf">0</span><span class="p">)</span><span class="w"> </span><span class="o">!==</span><span class="w"> </span><span class="nx">c</span><span class="p">)</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="o">-</span><span class="mf">1</span><span class="p">;</span>
+<span class="w">        </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">x</span><span class="w"> </span><span class="o">===</span><span class="w"> </span><span class="nx">complement</span><span class="p">)</span><span class="w"> </span><span class="nx">c</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="mf">2</span><span class="p">;</span>
+
+<span class="w">        </span><span class="nx">res</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="nx">x</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="nx">complement</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="nx">c</span><span class="p">;</span>
+<span class="w">        </span><span class="nx">map</span><span class="p">.</span><span class="ow">delete</span><span class="p">(</span><span class="nx">x</span><span class="p">);</span>
+<span class="w">        </span><span class="nx">map</span><span class="p">.</span><span class="ow">delete</span><span class="p">(</span><span class="nx">complement</span><span class="p">);</span>
+<span class="w">    </span><span class="p">}</span>
+
+<span class="w">    </span><span class="k">return</span><span class="w"> </span><span class="nx">res</span><span class="p">;</span>
+<span class="p">}</span>
+</code></pre></div></td></tr></table></div>
+</div>
+<div class="tabbed-block">
+<div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"> 1</span>
+<span class="normal"> 2</span>
+<span class="normal"> 3</span>
+<span class="normal"> 4</span>
+<span class="normal"> 5</span>
+<span class="normal"> 6</span>
+<span class="normal"> 7</span>
+<span class="normal"> 8</span>
+<span class="normal"> 9</span>
+<span class="normal">10</span>
+<span class="normal">11</span>
+<span class="normal">12</span>
+<span class="normal">13</span>
+<span class="normal">14</span>
+<span class="normal">15</span>
+<span class="normal">16</span>
+<span class="normal">17</span>
+<span class="normal">18</span>
+<span class="normal">19</span>
+<span class="normal">20</span>
+<span class="normal">21</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">function</span><span class="w"> </span><span class="nx">dividePlayers</span><span class="p">(</span><span class="nx">skill</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
+<span class="w">    </span><span class="kd">let</span><span class="w"> </span><span class="p">[</span><span class="nx">sum</span><span class="p">,</span><span class="w"> </span><span class="nx">res</span><span class="p">,</span><span class="w"> </span><span class="nx">map</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[</span><span class="mf">0</span><span class="p">,</span><span class="w"> </span><span class="mf">0</span><span class="p">,</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nb">Map</span><span class="p">()];</span>
+
+<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">x</span><span class="w"> </span><span class="k">of</span><span class="w"> </span><span class="nx">skill</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
+<span class="w">        </span><span class="nx">sum</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="nx">x</span><span class="p">;</span>
+<span class="w">        </span><span class="nx">map</span><span class="p">.</span><span class="nx">set</span><span class="p">(</span><span class="nx">x</span><span class="p">,</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">x</span><span class="p">)</span><span class="w"> </span><span class="o">||</span><span class="w"> </span><span class="mf">0</span><span class="p">)</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mf">1</span><span class="p">);</span>
+<span class="w">    </span><span class="p">}</span>
+<span class="w">    </span><span class="nx">sum</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="nx">skill</span><span class="p">.</span><span class="nx">length</span><span class="w"> </span><span class="o">/</span><span class="w"> </span><span class="mf">2</span><span class="p">;</span>
+
+<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="p">[</span><span class="nx">x</span><span class="p">,</span><span class="w"> </span><span class="nx">c</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="w"> </span><span class="p">{</span>
+<span class="w">        </span><span class="kd">const</span><span class="w"> </span><span class="nx">complement</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">sum</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="nx">x</span><span class="p">;</span>
+<span class="w">        </span><span class="k">if</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">complement</span><span class="p">)</span><span class="w"> </span><span class="o">??</span><span class="w"> </span><span class="mf">0</span><span class="p">)</span><span class="w"> </span><span class="o">!==</span><span class="w"> </span><span class="nx">c</span><span class="p">)</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="o">-</span><span class="mf">1</span><span class="p">;</span>
+<span class="w">        </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">x</span><span class="w"> </span><span class="o">===</span><span class="w"> </span><span class="nx">complement</span><span class="p">)</span><span class="w"> </span><span class="nx">c</span><span class="w"> </span><span class="o">/=</span><span class="w"> </span><span class="mf">2</span><span class="p">;</span>
+
+<span class="w">        </span><span class="nx">res</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="nx">x</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="nx">complement</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="nx">c</span><span class="p">;</span>
+<span class="w">        </span><span class="nx">map</span><span class="p">.</span><span class="ow">delete</span><span class="p">(</span><span class="nx">x</span><span class="p">);</span>
+<span class="w">        </span><span class="nx">map</span><span class="p">.</span><span class="ow">delete</span><span class="p">(</span><span class="nx">complement</span><span class="p">);</span>
+<span class="w">    </span><span class="p">}</span>
+
+<span class="w">    </span><span class="k">return</span><span class="w"> </span><span class="nx">res</span><span class="p">;</span>
+<span class="p">}</span>
+</code></pre></div></td></tr></table></div>
+</div>
 </div>
 </div>
 <!-- solution:end -->
@@ -84423,6 +84511,11 @@ <h3 id="_4">方法二：计数</h3>
 
     <nav>
 
+        <a href="https://github.com/rain84" class="md-author" title="@rain84">
+          
+          <img src="https://avatars.githubusercontent.com/u/1732547?v=4&size=72" alt="rain84">
+        </a>
+      
         <a href="https://github.com/yanglbme" class="md-author" title="@yanglbme">
 
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