deploy: 805d2fc

Author: yanglbme

en/lc/215/index.html

@@ -81544,7 +81544,7 @@ <h2 id="_2">解法</h2>
 <h3 id="_3">方法一：前缀树</h3>
 <p>题目大意：充分利用重叠的后缀，使有效编码尽可能短。</p>
 <p>判断当前单词是否是其他单词的后缀，若是，就不用写入助记字符串中，否则需要写入并且加上一个 # 后缀。</p>
-<div class="tabbed-set tabbed-alternate" data-tabs="1:4"><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" /><div class="tabbed-labels"><label for="__tabbed_1_1">Python3</label><label for="__tabbed_1_2">Java</label><label for="__tabbed_1_3">C++</label><label for="__tabbed_1_4">Go</label></div>
+<div class="tabbed-set tabbed-alternate" data-tabs="1:5"><input checked="checked" id="__tabbed_1_1" name="__tabbed_1" type="radio" /><input id="__tabbed_1_2" name="__tabbed_1" type="radio" /><input id="__tabbed_1_3" name="__tabbed_1" type="radio" /><input id="__tabbed_1_4" name="__tabbed_1" type="radio" /><input id="__tabbed_1_5" name="__tabbed_1" type="radio" /><div class="tabbed-labels"><label for="__tabbed_1_1">Python3</label><label for="__tabbed_1_2">Java</label><label for="__tabbed_1_3">C++</label><label for="__tabbed_1_4">Go</label><label for="__tabbed_1_5">Swift</label></div>
 <div class="tabbed-content">
 <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>
@@ -81810,6 +81810,88 @@ <h3 id="_3">方法一：前缀树</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>
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+<span class="normal">40</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">class</span> <span class="nc">Trie</span> <span class="p">{</span>
+    <span class="kd">var</span> <span class="nv">children</span> <span class="p">=</span> <span class="p">[</span><span class="n">Trie</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">26</span><span class="p">)</span>
+<span class="p">}</span>
+
+<span class="kd">class</span> <span class="nc">Solution</span> <span class="p">{</span>
+    <span class="kd">func</span> <span class="nf">minimumLengthEncoding</span><span class="p">(</span><span class="kc">_</span> <span class="n">words</span><span class="p">:</span> <span class="p">[</span><span class="nb">String</span><span class="p">])</span> <span class="p">-&gt;</span> <span class="nb">Int</span> <span class="p">{</span>
+        <span class="kd">let</span> <span class="nv">root</span> <span class="p">=</span> <span class="n">Trie</span><span class="p">()</span>
+
+        <span class="k">for</span> <span class="n">word</span> <span class="k">in</span> <span class="n">words</span> <span class="p">{</span>
+            <span class="kd">var</span> <span class="nv">current</span> <span class="p">=</span> <span class="n">root</span>
+            <span class="k">for</span> <span class="n">char</span> <span class="k">in</span> <span class="n">word</span><span class="p">.</span><span class="n">reversed</span><span class="p">()</span> <span class="p">{</span>
+                <span class="kd">let</span> <span class="nv">index</span> <span class="p">=</span> <span class="nb">Int</span><span class="p">(</span><span class="n">char</span><span class="p">.</span><span class="n">asciiValue</span><span class="p">!</span> <span class="o">-</span> <span class="nb">Character</span><span class="p">(</span><span class="s">&quot;a&quot;</span><span class="p">).</span><span class="n">asciiValue</span><span class="p">!)</span>
+                <span class="k">if</span> <span class="n">current</span><span class="p">.</span><span class="n">children</span><span class="p">[</span><span class="n">index</span><span class="p">]</span> <span class="p">==</span> <span class="kc">nil</span> <span class="p">{</span>
+                    <span class="n">current</span><span class="p">.</span><span class="n">children</span><span class="p">[</span><span class="n">index</span><span class="p">]</span> <span class="p">=</span> <span class="n">Trie</span><span class="p">()</span>
+                <span class="p">}</span>
+                <span class="n">current</span> <span class="p">=</span> <span class="n">current</span><span class="p">.</span><span class="n">children</span><span class="p">[</span><span class="n">index</span><span class="p">]</span><span class="o">!</span>
+            <span class="p">}</span>
+        <span class="p">}</span>
+
+        <span class="k">return</span> <span class="n">dfs</span><span class="p">(</span><span class="n">root</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
+    <span class="p">}</span>
+
+    <span class="kd">private</span> <span class="kd">func</span> <span class="nf">dfs</span><span class="p">(</span><span class="kc">_</span> <span class="n">current</span><span class="p">:</span> <span class="n">Trie</span><span class="p">,</span> <span class="kc">_</span> <span class="n">length</span><span class="p">:</span> <span class="nb">Int</span><span class="p">)</span> <span class="p">-&gt;</span> <span class="nb">Int</span> <span class="p">{</span>
+        <span class="kd">var</span> <span class="nv">isLeaf</span> <span class="p">=</span> <span class="kc">true</span>
+        <span class="kd">var</span> <span class="nv">result</span> <span class="p">=</span> <span class="mi">0</span>
+
+        <span class="k">for</span> <span class="n">child</span> <span class="k">in</span> <span class="n">current</span><span class="p">.</span><span class="n">children</span> <span class="p">{</span>
+            <span class="k">if</span> <span class="kd">let</span> <span class="nv">child</span> <span class="p">=</span> <span class="n">child</span> <span class="p">{</span>
+                <span class="n">isLeaf</span> <span class="p">=</span> <span class="kc">false</span>
+                <span class="n">result</span> <span class="o">+=</span> <span class="n">dfs</span><span class="p">(</span><span class="n">child</span><span class="p">,</span> <span class="n">length</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span>
+            <span class="p">}</span>
+        <span class="p">}</span>
+
+        <span class="k">if</span> <span class="n">isLeaf</span> <span class="p">{</span>
+            <span class="n">result</span> <span class="o">+=</span> <span class="n">length</span>
+        <span class="p">}</span>
+
+        <span class="k">return</span> <span class="n">result</span>
+    <span class="p">}</span>
+<span class="p">}</span>
+</code></pre></div></td></tr></table></div>
+</div>
 </div>
 </div>
 <!-- solution:end -->
@@ -82096,6 +82178,11 @@ <h3 id="_4">方法二</h3>
 
     <nav>
 
+        <a href="https://github.com/klever34" class="md-author" title="@klever34">
+          
+          <img src="https://avatars.githubusercontent.com/u/12745225?v=4&size=72" alt="klever34">
+        </a>
+      
         <a href="https://github.com/yanglbme" class="md-author" title="@yanglbme">
 
           <img src="https://avatars.githubusercontent.com/u/21008209?v=4&size=72" alt="yanglbme">

en/search/search_index.json

@@ -81530,7 +81530,7 @@ <h2 id="_2">解法</h2>
 <!-- solution:start -->
 
 <h3 id="_3">方法一</h3>
-<div class="tabbed-set tabbed-alternate" data-tabs="1:4"><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" /><div class="tabbed-labels"><label for="__tabbed_1_1">Python3</label><label for="__tabbed_1_2">Java</label><label for="__tabbed_1_3">C++</label><label for="__tabbed_1_4">Go</label></div>
+<div class="tabbed-set tabbed-alternate" data-tabs="1:5"><input checked="checked" id="__tabbed_1_1" name="__tabbed_1" type="radio" /><input id="__tabbed_1_2" name="__tabbed_1" type="radio" /><input id="__tabbed_1_3" name="__tabbed_1" type="radio" /><input id="__tabbed_1_4" name="__tabbed_1" type="radio" /><input id="__tabbed_1_5" name="__tabbed_1" type="radio" /><div class="tabbed-labels"><label for="__tabbed_1_1">Python3</label><label for="__tabbed_1_2">Java</label><label for="__tabbed_1_3">C++</label><label for="__tabbed_1_4">Go</label><label for="__tabbed_1_5">Swift</label></div>
 <div class="tabbed-content">
 <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>
@@ -81766,6 +81766,54 @@ <h3 id="_3">方法一</h3>
 <span class="cm"> */</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>
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+<span class="normal">22</span>
+<span class="normal">23</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">class</span> <span class="nc">MapSum</span> <span class="p">{</span>
+    <span class="kd">private</span> <span class="kd">var</span> <span class="nv">data</span><span class="p">:</span> <span class="p">[</span><span class="nb">String</span><span class="p">:</span> <span class="nb">Int</span><span class="p">]</span>
+    <span class="kd">private</span> <span class="kd">var</span> <span class="nv">t</span><span class="p">:</span> <span class="p">[</span><span class="nb">String</span><span class="p">:</span> <span class="nb">Int</span><span class="p">]</span>
+
+    <span class="kd">init</span><span class="p">()</span> <span class="p">{</span>
+        <span class="n">data</span> <span class="p">=</span> <span class="p">[</span><span class="nb">String</span><span class="p">:</span> <span class="nb">Int</span><span class="p">]()</span>
+        <span class="n">t</span> <span class="p">=</span> <span class="p">[</span><span class="nb">String</span><span class="p">:</span> <span class="nb">Int</span><span class="p">]()</span>
+    <span class="p">}</span>
+
+    <span class="kd">func</span> <span class="nf">insert</span><span class="p">(</span><span class="kc">_</span> <span class="n">key</span><span class="p">:</span> <span class="nb">String</span><span class="p">,</span> <span class="kc">_</span> <span class="n">val</span><span class="p">:</span> <span class="nb">Int</span><span class="p">)</span> <span class="p">{</span>
+        <span class="kd">let</span> <span class="nv">old</span> <span class="p">=</span> <span class="n">t</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="p">??</span> <span class="mi">0</span>
+        <span class="n">t</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="p">=</span> <span class="n">val</span>
+        <span class="k">for</span> <span class="n">i</span> <span class="k">in</span> <span class="mf">1.</span><span class="p">..</span><span class="n">key</span><span class="p">.</span><span class="bp">count</span> <span class="p">{</span>
+            <span class="kd">let</span> <span class="nv">endIndex</span> <span class="p">=</span> <span class="n">key</span><span class="p">.</span><span class="n">index</span><span class="p">(</span><span class="n">key</span><span class="p">.</span><span class="n">startIndex</span><span class="p">,</span> <span class="n">offsetBy</span><span class="p">:</span> <span class="n">i</span><span class="p">)</span>
+            <span class="kd">let</span> <span class="nv">k</span> <span class="p">=</span> <span class="nb">String</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">startIndex</span><span class="p">..&lt;</span><span class="n">endIndex</span><span class="p">])</span>
+            <span class="n">data</span><span class="p">[</span><span class="n">k</span><span class="p">,</span> <span class="k">default</span><span class="p">:</span> <span class="mi">0</span><span class="p">]</span> <span class="o">+=</span> <span class="p">(</span><span class="n">val</span> <span class="o">-</span> <span class="n">old</span><span class="p">)</span>
+        <span class="p">}</span>
+    <span class="p">}</span>
+
+    <span class="kd">func</span> <span class="nf">sum</span><span class="p">(</span><span class="kc">_</span> <span class="kr">prefix</span><span class="p">:</span> <span class="nb">String</span><span class="p">)</span> <span class="p">-&gt;</span> <span class="nb">Int</span> <span class="p">{</span>
+        <span class="k">return</span> <span class="n">data</span><span class="p">[</span><span class="kr">prefix</span><span class="p">]</span> <span class="p">??</span> <span class="mi">0</span>
+    <span class="p">}</span>
+<span class="p">}</span>
+</code></pre></div></td></tr></table></div>
+</div>
 </div>
 </div>
 <!-- solution:end -->
@@ -81799,6 +81847,11 @@ <h3 id="_3">方法一</h3>
 
     <nav>
 
+        <a href="https://github.com/klever34" class="md-author" title="@klever34">
+          
+          <img src="https://avatars.githubusercontent.com/u/12745225?v=4&size=72" alt="klever34">
+        </a>
+      
         <a href="https://github.com/yanglbme" class="md-author" title="@yanglbme">
 
           <img src="https://avatars.githubusercontent.com/u/21008209?v=4&size=72" alt="yanglbme">