deploy: c310525

Author: yanglbme

en/sitemap.xml

@@ -84631,7 +84631,7 @@ <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>
@@ -84991,6 +84991,122 @@ <h3 id="_3">方法一</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>
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+<span class="normal">57</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">class</span> <span class="nc">Solution</span> <span class="p">{</span>
+    <span class="kd">func</span> <span class="nf">openLock</span><span class="p">(</span><span class="kc">_</span> <span class="n">deadends</span><span class="p">:</span> <span class="p">[</span><span class="nb">String</span><span class="p">],</span> <span class="kc">_</span> <span class="n">target</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">deadSet</span> <span class="p">=</span> <span class="n">Set</span><span class="p">(</span><span class="n">deadends</span><span class="p">)</span>
+        <span class="k">if</span> <span class="n">deadSet</span><span class="p">.</span><span class="bp">contains</span><span class="p">(</span><span class="n">target</span><span class="p">)</span> <span class="o">||</span> <span class="n">deadSet</span><span class="p">.</span><span class="bp">contains</span><span class="p">(</span><span class="s">&quot;0000&quot;</span><span class="p">)</span> <span class="p">{</span>
+            <span class="k">return</span> <span class="o">-</span><span class="mi">1</span>
+        <span class="p">}</span>
+        <span class="k">if</span> <span class="n">target</span> <span class="p">==</span> <span class="s">&quot;0000&quot;</span> <span class="p">{</span>
+            <span class="k">return</span> <span class="mi">0</span>
+        <span class="p">}</span>
+
+        <span class="kd">var</span> <span class="nv">visited</span> <span class="p">=</span> <span class="n">Set</span><span class="p">&lt;</span><span class="nb">String</span><span class="p">&gt;()</span>
+        <span class="kd">var</span> <span class="nv">queue</span> <span class="p">=</span> <span class="p">[</span><span class="s">&quot;0000&quot;</span><span class="p">]</span>
+        <span class="n">visited</span><span class="p">.</span><span class="bp">insert</span><span class="p">(</span><span class="s">&quot;0000&quot;</span><span class="p">)</span>
+        <span class="kd">var</span> <span class="nv">step</span> <span class="p">=</span> <span class="mi">0</span>
+
+        <span class="k">while</span> <span class="o">!</span><span class="n">queue</span><span class="p">.</span><span class="bp">isEmpty</span> <span class="p">{</span>
+            <span class="n">step</span> <span class="o">+=</span> <span class="mi">1</span>
+            <span class="k">for</span> <span class="kc">_</span> <span class="k">in</span> <span class="mf">0.</span><span class="p">.&lt;</span><span class="n">queue</span><span class="p">.</span><span class="bp">count</span> <span class="p">{</span>
+                <span class="kd">let</span> <span class="nv">status</span> <span class="p">=</span> <span class="n">queue</span><span class="p">.</span><span class="n">removeFirst</span><span class="p">()</span>
+                <span class="k">for</span> <span class="n">neighbor</span> <span class="k">in</span> <span class="n">getNeighbors</span><span class="p">(</span><span class="n">status</span><span class="p">)</span> <span class="p">{</span>
+                    <span class="k">if</span> <span class="n">visited</span><span class="p">.</span><span class="bp">contains</span><span class="p">(</span><span class="n">neighbor</span><span class="p">)</span> <span class="o">||</span> <span class="n">deadSet</span><span class="p">.</span><span class="bp">contains</span><span class="p">(</span><span class="n">neighbor</span><span class="p">)</span> <span class="p">{</span>
+                        <span class="k">continue</span>
+                    <span class="p">}</span>
+                    <span class="k">if</span> <span class="n">neighbor</span> <span class="p">==</span> <span class="n">target</span> <span class="p">{</span>
+                        <span class="k">return</span> <span class="n">step</span>
+                    <span class="p">}</span>
+                    <span class="n">queue</span><span class="p">.</span><span class="n">append</span><span class="p">(</span><span class="n">neighbor</span><span class="p">)</span>
+                    <span class="n">visited</span><span class="p">.</span><span class="bp">insert</span><span class="p">(</span><span class="n">neighbor</span><span class="p">)</span>
+                <span class="p">}</span>
+            <span class="p">}</span>
+        <span class="p">}</span>
+
+        <span class="k">return</span> <span class="o">-</span><span class="mi">1</span>
+    <span class="p">}</span>
+
+    <span class="kd">private</span> <span class="kd">func</span> <span class="nf">getNeighbors</span><span class="p">(</span><span class="kc">_</span> <span class="n">lock</span><span class="p">:</span> <span class="nb">String</span><span class="p">)</span> <span class="p">-&gt;</span> <span class="p">[</span><span class="nb">String</span><span class="p">]</span> <span class="p">{</span>
+        <span class="kd">var</span> <span class="nv">neighbors</span> <span class="p">=</span> <span class="p">[</span><span class="nb">String</span><span class="p">]()</span>
+        <span class="kd">var</span> <span class="nv">chars</span> <span class="p">=</span> <span class="nb">Array</span><span class="p">(</span><span class="n">lock</span><span class="p">)</span>
+        <span class="k">for</span> <span class="n">i</span> <span class="k">in</span> <span class="mf">0.</span><span class="p">.&lt;</span><span class="mi">4</span> <span class="p">{</span>
+            <span class="kd">let</span> <span class="nv">original</span> <span class="p">=</span> <span class="n">chars</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
+            <span class="n">chars</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="p">=</span> <span class="n">prevChar</span><span class="p">(</span><span class="n">original</span><span class="p">)</span>
+            <span class="n">neighbors</span><span class="p">.</span><span class="n">append</span><span class="p">(</span><span class="nb">String</span><span class="p">(</span><span class="n">chars</span><span class="p">))</span>
+            <span class="n">chars</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="p">=</span> <span class="n">nextChar</span><span class="p">(</span><span class="n">original</span><span class="p">)</span>
+            <span class="n">neighbors</span><span class="p">.</span><span class="n">append</span><span class="p">(</span><span class="nb">String</span><span class="p">(</span><span class="n">chars</span><span class="p">))</span>
+            <span class="n">chars</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="p">=</span> <span class="n">original</span>
+        <span class="p">}</span>
+        <span class="k">return</span> <span class="n">neighbors</span>
+    <span class="p">}</span>
+
+    <span class="kd">private</span> <span class="kd">func</span> <span class="nf">prevChar</span><span class="p">(</span><span class="kc">_</span> <span class="n">c</span><span class="p">:</span> <span class="nb">Character</span><span class="p">)</span> <span class="p">-&gt;</span> <span class="nb">Character</span> <span class="p">{</span>
+        <span class="k">return</span> <span class="n">c</span> <span class="p">==</span> <span class="s">&quot;0&quot;</span> <span class="p">?</span> <span class="s">&quot;9&quot;</span> <span class="p">:</span> <span class="nb">Character</span><span class="p">(</span><span class="nb">UnicodeScalar</span><span class="p">(</span><span class="n">c</span><span class="p">.</span><span class="n">asciiValue</span><span class="p">!</span> <span class="o">-</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">nextChar</span><span class="p">(</span><span class="kc">_</span> <span class="n">c</span><span class="p">:</span> <span class="nb">Character</span><span class="p">)</span> <span class="p">-&gt;</span> <span class="nb">Character</span> <span class="p">{</span>
+        <span class="k">return</span> <span class="n">c</span> <span class="p">==</span> <span class="s">&quot;9&quot;</span> <span class="p">?</span> <span class="s">&quot;0&quot;</span> <span class="p">:</span> <span class="nb">Character</span><span class="p">(</span><span class="nb">UnicodeScalar</span><span class="p">(</span><span class="n">c</span><span class="p">.</span><span class="n">asciiValue</span><span class="p">!</span> <span class="o">+</span> <span class="mi">1</span><span class="p">))</span>
+    <span class="p">}</span>
+<span class="p">}</span>
+</code></pre></div></td></tr></table></div>
+</div>
 </div>
 </div>
 <!-- solution:end -->
@@ -85024,6 +85140,11 @@ <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/taoyq1988" class="md-author" title="@taoyq1988">
 
           <img src="https://avatars.githubusercontent.com/u/18185657?v=4&size=72" alt="taoyq1988">

en/sitemap.xml.gz

@@ -84632,7 +84632,7 @@ <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>
@@ -84814,6 +84814,56 @@ <h3 id="_3">方法一</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>
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+<span class="normal">24</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">class</span> <span class="nc">Solution</span> <span class="p">{</span>
+    <span class="kd">private</span> <span class="kd">var</span> <span class="nv">results</span> <span class="p">=</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">graph</span> <span class="p">=</span> <span class="p">[[</span><span class="nb">Int</span><span class="p">]]()</span>
+
+    <span class="kd">func</span> <span class="nf">allPathsSourceTarget</span><span class="p">(</span><span class="kc">_</span> <span class="n">graph</span><span class="p">:</span> <span class="p">[[</span><span class="nb">Int</span><span class="p">]])</span> <span class="p">-&gt;</span> <span class="p">[[</span><span class="nb">Int</span><span class="p">]]</span> <span class="p">{</span>
+        <span class="kc">self</span><span class="p">.</span><span class="n">graph</span> <span class="p">=</span> <span class="n">graph</span>
+        <span class="kd">var</span> <span class="nv">path</span> <span class="p">=</span> <span class="p">[</span><span class="mi">0</span><span class="p">]</span>
+        <span class="n">dfs</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="p">&amp;</span><span class="n">path</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">results</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">node</span><span class="p">:</span> <span class="nb">Int</span><span class="p">,</span> <span class="kc">_</span> <span class="n">path</span><span class="p">:</span> <span class="kr">inout</span> <span class="p">[</span><span class="nb">Int</span><span class="p">])</span> <span class="p">{</span>
+        <span class="k">if</span> <span class="n">node</span> <span class="p">==</span> <span class="n">graph</span><span class="p">.</span><span class="bp">count</span> <span class="o">-</span> <span class="mi">1</span> <span class="p">{</span>
+            <span class="n">results</span><span class="p">.</span><span class="n">append</span><span class="p">(</span><span class="nb">Array</span><span class="p">(</span><span class="n">path</span><span class="p">))</span>
+            <span class="k">return</span>
+        <span class="p">}</span>
+
+        <span class="k">for</span> <span class="n">next</span> <span class="k">in</span> <span class="n">graph</span><span class="p">[</span><span class="n">node</span><span class="p">]</span> <span class="p">{</span>
+            <span class="n">path</span><span class="p">.</span><span class="n">append</span><span class="p">(</span><span class="n">next</span><span class="p">)</span>
+            <span class="n">dfs</span><span class="p">(</span><span class="n">next</span><span class="p">,</span> <span class="p">&amp;</span><span class="n">path</span><span class="p">)</span>
+            <span class="n">path</span><span class="p">.</span><span class="bp">removeLast</span><span class="p">()</span>
+        <span class="p">}</span>
+    <span class="p">}</span>
+<span class="p">}</span>
+</code></pre></div></td></tr></table></div>
+</div>
 </div>
 </div>
 <!-- solution:end -->
@@ -84847,6 +84897,11 @@ <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">