deploy: 5f60e89

Author: yanglbme

en/lc/2622/index.html

@@ -61890,9 +61890,9 @@
       <ul class="md-nav__list">
 
           <li class="md-nav__item">
-  <a href="#solution-1" class="md-nav__link">
+  <a href="#solution-1-hash-table" class="md-nav__link">
     <span class="md-ellipsis">
-      Solution 1
+      Solution 1: Hash Table
     </span>
   </a>
 
@@ -75708,7 +75708,7 @@ <h2 id="description">Description</h2>
 <h2 id="solutions">Solutions</h2>
 <!-- solution:start -->
 
-<h3 id="solution-1">Solution 1</h3>
+<h3 id="solution-1-hash-table">Solution 1: Hash Table</h3>
 <div class="tabbed-set tabbed-alternate" data-tabs="1:1"><input checked="checked" id="__tabbed_1_1" name="__tabbed_1" type="radio" /><div class="tabbed-labels"><label for="__tabbed_1_1">TypeScript</label></div>
 <div class="tabbed-content">
 <div class="tabbed-block">
@@ -75747,47 +75747,33 @@ <h3 id="solution-1">Solution 1</h3>
 <span class="normal">33</span>
 <span class="normal">34</span>
 <span class="normal">35</span>
-<span class="normal">36</span>
-<span class="normal">37</span>
-<span class="normal">38</span>
-<span class="normal">39</span>
-<span class="normal">40</span>
-<span class="normal">41</span>
-<span class="normal">42</span>
-<span class="normal">43</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">class</span><span class="w"> </span><span class="nx">TimeLimitedCache</span><span class="w"> </span><span class="p">{</span>
-<span class="w">    </span><span class="k">private</span><span class="w"> </span><span class="nx">cache</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="p">[</span><span class="nx">value</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">expire</span><span class="o">:</span><span class="w"> </span><span class="kt">number</span><span class="p">]</span><span class="o">&gt;</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>
-
-<span class="w">    </span><span class="kr">constructor</span><span class="p">()</span><span class="w"> </span><span class="p">{}</span>
+<span class="normal">36</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">class</span><span class="w"> </span><span class="nx">TimeLimitedCache</span><span class="w"> </span><span class="p">{</span>
+<span class="w">    </span><span class="err">#</span><span class="nx">cache</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="p">[</span><span class="nx">value</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">expire</span><span class="o">:</span><span class="w"> </span><span class="kt">number</span><span class="p">]</span><span class="o">&gt;</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>
 
 <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">value</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">duration</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">boolean</span><span class="w"> </span><span class="p">{</span>
-<span class="w">        </span><span class="k">this</span><span class="p">.</span><span class="nx">removeExpire</span><span class="p">();</span>
-<span class="w">        </span><span class="kd">const</span><span class="w"> </span><span class="nx">ans</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">cache</span><span class="p">.</span><span class="nx">has</span><span class="p">(</span><span class="nx">key</span><span class="p">);</span>
-<span class="w">        </span><span class="k">this</span><span class="p">.</span><span class="nx">cache</span><span class="p">.</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="p">[</span><span class="nx">value</span><span class="p">,</span><span class="w"> </span><span class="k">this</span><span class="p">.</span><span class="nx">now</span><span class="p">()</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="nx">duration</span><span class="p">]);</span>
-<span class="w">        </span><span class="k">return</span><span class="w"> </span><span class="nx">ans</span><span class="p">;</span>
+<span class="w">        </span><span class="kd">const</span><span class="w"> </span><span class="nx">isExist</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">cache</span><span class="p">.</span><span class="nx">has</span><span class="p">(</span><span class="nx">key</span><span class="p">);</span>
+
+<span class="w">        </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="o">!</span><span class="k">this</span><span class="p">.</span><span class="err">#</span><span class="nx">isExpired</span><span class="p">(</span><span class="nx">key</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
+<span class="w">            </span><span class="k">this</span><span class="p">.</span><span class="err">#</span><span class="nx">cache</span><span class="p">.</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="p">[</span><span class="nx">value</span><span class="p">,</span><span class="w"> </span><span class="nb">Date</span><span class="p">.</span><span class="nx">now</span><span class="p">()</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="nx">duration</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">isExist</span><span class="p">;</span>
 <span class="w">    </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="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="k">this</span><span class="p">.</span><span class="nx">removeExpire</span><span class="p">();</span>
-<span class="w">        </span><span class="k">return</span><span class="w"> </span><span class="k">this</span><span class="p">.</span><span class="nx">cache</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">key</span><span class="p">)</span><span class="o">?</span><span class="p">.[</span><span class="mf">0</span><span class="p">]</span><span class="w"> </span><span class="o">??</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="k">this</span><span class="p">.</span><span class="err">#</span><span class="nx">isExpired</span><span class="p">(</span><span class="nx">key</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="kd">const</span><span class="w"> </span><span class="nx">res</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">cache</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">key</span><span class="p">)</span><span class="o">?</span><span class="p">.[</span><span class="mf">0</span><span class="p">]</span><span class="w"> </span><span class="o">??</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">return</span><span class="w"> </span><span class="nx">res</span><span class="p">;</span>
 <span class="w">    </span><span class="p">}</span>
 
 <span class="w">    </span><span class="nx">count</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="k">this</span><span class="p">.</span><span class="nx">removeExpire</span><span class="p">();</span>
-<span class="w">        </span><span class="k">return</span><span class="w"> </span><span class="k">this</span><span class="p">.</span><span class="nx">cache</span><span class="p">.</span><span class="nx">size</span><span class="p">;</span>
-<span class="w">    </span><span class="p">}</span>
-
-<span class="w">    </span><span class="k">private</span><span class="w"> </span><span class="nx">now</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="k">return</span><span class="w"> </span><span class="ow">new</span><span class="w"> </span><span class="nb">Date</span><span class="p">().</span><span class="nx">getTime</span><span class="p">();</span>
+<span class="w">        </span><span class="kd">const</span><span class="w"> </span><span class="nx">xs</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">Array</span><span class="p">.</span><span class="kr">from</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="err">#</span><span class="nx">cache</span><span class="p">).</span><span class="nx">filter</span><span class="p">(([</span><span class="nx">key</span><span class="p">])</span><span class="w"> </span><span class="p">=&gt;</span><span class="w"> </span><span class="o">!</span><span class="k">this</span><span class="p">.</span><span class="err">#</span><span class="nx">isExpired</span><span class="p">(</span><span class="nx">key</span><span class="p">));</span>
+<span class="w">        </span><span class="k">return</span><span class="w"> </span><span class="nx">xs</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span>
 <span class="w">    </span><span class="p">}</span>
 
-<span class="w">    </span><span class="k">private</span><span class="w"> </span><span class="nx">removeExpire</span><span class="p">()</span><span class="o">:</span><span class="w"> </span><span class="ow">void</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">now</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">now</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="p">[</span><span class="nx">key</span><span class="p">,</span><span class="w"> </span><span class="p">[,</span><span class="w"> </span><span class="nx">expire</span><span class="p">]]</span><span class="w"> </span><span class="k">of</span><span class="w"> </span><span class="k">this</span><span class="p">.</span><span class="nx">cache</span><span class="p">)</span><span class="w"> </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">expire</span><span class="w"> </span><span class="o">&lt;=</span><span class="w"> </span><span class="nx">now</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
-<span class="w">                </span><span class="k">this</span><span class="p">.</span><span class="nx">cache</span><span class="p">.</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>
-<span class="w">        </span><span class="p">}</span>
-<span class="w">    </span><span class="p">}</span>
+<span class="w">    </span><span class="err">#</span><span class="nx">isExpired</span><span class="w"> </span><span class="o">=</span><span class="w"> </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">=&gt;</span>
+<span class="w">        </span><span class="k">this</span><span class="p">.</span><span class="err">#</span><span class="nx">cache</span><span class="p">.</span><span class="nx">has</span><span class="p">(</span><span class="nx">key</span><span class="p">)</span><span class="w"> </span><span class="o">&amp;&amp;</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">cache</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">key</span><span class="p">)</span><span class="o">?</span><span class="p">.[</span><span class="mf">1</span><span class="p">]</span><span class="w"> </span><span class="o">??</span><span class="w"> </span><span class="nb">Number</span><span class="p">.</span><span class="nx">NEGATIVE_INFINITY</span><span class="p">)</span><span class="w"> </span><span class="o">&lt;</span><span class="w"> </span><span class="nb">Date</span><span class="p">.</span><span class="nx">now</span><span class="p">();</span>
 <span class="p">}</span>
 
 <span class="cm">/**</span>
@@ -75832,6 +75818,11 @@ <h3 id="solution-1">Solution 1</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">
 
           <img src="https://avatars.githubusercontent.com/u/21008209?v=4&size=72" alt="yanglbme">