deploy: b866896

Author: acbin

en/lc/181/index.html

@@ -10947,18 +10947,9 @@
       <ul class="md-nav__list">
 
           <li class="md-nav__item">
-  <a href="#solution-1" class="md-nav__link">
+  <a href="#solution-1-self-join-conditional-filtering" class="md-nav__link">
     <span class="md-ellipsis">
-      Solution 1
-    </span>
-  </a>
-  
-</li>
-        
-          <li class="md-nav__item">
-  <a href="#solution-2" class="md-nav__link">
-    <span class="md-ellipsis">
-      Solution 2
+      Solution 1: Self-Join + Conditional Filtering
     </span>
   </a>
 
@@ -79346,7 +79337,7 @@ <h2 id="description">Description</h2>
 <p><strong class="example">Example 1:</strong></p>
 
 <pre>
-<strong>Input:</strong> 
+<strong>Input:</strong>
 Employee table:
 +----+-------+--------+-----------+
 | id | name  | salary | managerId |
@@ -79356,7 +79347,7 @@ <h2 id="description">Description</h2>
 | 3  | Sam   | 60000  | Null      |
 | 4  | Max   | 90000  | Null      |
 +----+-------+--------+-----------+
-<strong>Output:</strong> 
+<strong>Output:</strong>
 +----------+
 | Employee |
 +----------+
@@ -79370,67 +79361,43 @@ <h2 id="description">Description</h2>
 <h2 id="solutions">Solutions</h2>
 <!-- solution:start -->
 
-<h3 id="solution-1">Solution 1</h3>
+<h3 id="solution-1-self-join-conditional-filtering">Solution 1: Self-Join + Conditional Filtering</h3>
+<p>We can find employees' salaries and their managers' salaries by self-joining the <code>Employee</code> table, then filter out employees whose salaries are higher than their managers' salaries.</p>
 <div class="tabbed-set tabbed-alternate" data-tabs="1:2"><input checked="checked" id="__tabbed_1_1" name="__tabbed_1" type="radio" /><input id="__tabbed_1_2" name="__tabbed_1" type="radio" /><div class="tabbed-labels"><label for="__tabbed_1_1">Python3</label><label for="__tabbed_1_2">MySQL</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>
-<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></pre></div></td><td class="code"><div><pre><span></span><code><span class="kn">import</span> <span class="nn">pandas</span> <span class="k">as</span> <span class="nn">pd</span>
+<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></pre></div></td><td class="code"><div><pre><span></span><code><span class="kn">import</span> <span class="nn">pandas</span> <span class="k">as</span> <span class="nn">pd</span>
 
 
 <span class="k">def</span> <span class="nf">find_employees</span><span class="p">(</span><span class="n">employee</span><span class="p">:</span> <span class="n">pd</span><span class="o">.</span><span class="n">DataFrame</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">pd</span><span class="o">.</span><span class="n">DataFrame</span><span class="p">:</span>
-    <span class="n">df</span> <span class="o">=</span> <span class="n">employee</span><span class="o">.</span><span class="n">merge</span><span class="p">(</span><span class="n">right</span><span class="o">=</span><span class="n">employee</span><span class="p">,</span> <span class="n">how</span><span class="o">=</span><span class="s2">&quot;left&quot;</span><span class="p">,</span> <span class="n">left_on</span><span class="o">=</span><span class="s2">&quot;managerId&quot;</span><span class="p">,</span> <span class="n">right_on</span><span class="o">=</span><span class="s2">&quot;id&quot;</span><span class="p">)</span>
-    <span class="n">emp</span> <span class="o">=</span> <span class="n">df</span><span class="p">[</span><span class="n">df</span><span class="p">[</span><span class="s2">&quot;salary_x&quot;</span><span class="p">]</span> <span class="o">&gt;</span> <span class="n">df</span><span class="p">[</span><span class="s2">&quot;salary_y&quot;</span><span class="p">]][</span><span class="s2">&quot;name_x&quot;</span><span class="p">]</span>
-
-    <span class="k">return</span> <span class="n">pd</span><span class="o">.</span><span class="n">DataFrame</span><span class="p">({</span><span class="s2">&quot;Employee&quot;</span><span class="p">:</span> <span class="n">emp</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></pre></div></td><td class="code"><div><pre><span></span><code><span class="k">SELECT</span><span class="w"> </span><span class="n">Name</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="n">Employee</span>
-<span class="k">FROM</span><span class="w"> </span><span class="n">Employee</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="n">Curr</span>
-<span class="k">WHERE</span>
-<span class="w">    </span><span class="n">Salary</span><span class="w"> </span><span class="o">&gt;</span><span class="w"> </span><span class="p">(</span>
-<span class="w">        </span><span class="k">SELECT</span><span class="w"> </span><span class="n">Salary</span>
-<span class="w">        </span><span class="k">FROM</span><span class="w"> </span><span class="n">Employee</span>
-<span class="w">        </span><span class="k">WHERE</span><span class="w"> </span><span class="n">Id</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">Curr</span><span class="p">.</span><span class="n">ManagerId</span>
-<span class="w">    </span><span class="p">);</span>
+    <span class="n">merged</span> <span class="o">=</span> <span class="n">employee</span><span class="o">.</span><span class="n">merge</span><span class="p">(</span>
+        <span class="n">employee</span><span class="p">,</span> <span class="n">left_on</span><span class="o">=</span><span class="s2">&quot;managerId&quot;</span><span class="p">,</span> <span class="n">right_on</span><span class="o">=</span><span class="s2">&quot;id&quot;</span><span class="p">,</span> <span class="n">suffixes</span><span class="o">=</span><span class="p">(</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="s2">&quot;_manager&quot;</span><span class="p">)</span>
+    <span class="p">)</span>
+    <span class="n">result</span> <span class="o">=</span> <span class="n">merged</span><span class="p">[</span><span class="n">merged</span><span class="p">[</span><span class="s2">&quot;salary&quot;</span><span class="p">]</span> <span class="o">&gt;</span> <span class="n">merged</span><span class="p">[</span><span class="s2">&quot;salary_manager&quot;</span><span class="p">]][[</span><span class="s2">&quot;name&quot;</span><span class="p">]]</span>
+    <span class="n">result</span><span class="o">.</span><span class="n">columns</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;Employee&quot;</span><span class="p">]</span>
+    <span class="k">return</span> <span class="n">result</span>
 </code></pre></div></td></tr></table></div>
 </div>
-</div>
-</div>
-<!-- solution:end -->
-
-<!-- solution:start -->
-
-<h3 id="solution-2">Solution 2</h3>
-<div class="tabbed-set tabbed-alternate" data-tabs="2:1"><input checked="checked" id="__tabbed_2_1" name="__tabbed_2" type="radio" /><div class="tabbed-labels"><label for="__tabbed_2_1">MySQL</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>
 <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></pre></div></td><td class="code"><div><pre><span></span><code><span class="o">#</span><span class="w"> </span><span class="k">Write</span><span class="w"> </span><span class="n">your</span><span class="w"> </span><span class="n">MySQL</span><span class="w"> </span><span class="n">query</span><span class="w"> </span><span class="k">statement</span><span class="w"> </span><span class="n">below</span>
-<span class="k">SELECT</span>
-<span class="w">    </span><span class="n">e1</span><span class="p">.</span><span class="n">name</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="n">Employee</span>
+<span class="normal">6</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="o">#</span><span class="w"> </span><span class="k">Write</span><span class="w"> </span><span class="n">your</span><span class="w"> </span><span class="n">MySQL</span><span class="w"> </span><span class="n">query</span><span class="w"> </span><span class="k">statement</span><span class="w"> </span><span class="n">below</span>
+<span class="k">SELECT</span><span class="w"> </span><span class="n">e1</span><span class="p">.</span><span class="n">name</span><span class="w"> </span><span class="n">Employee</span>
 <span class="k">FROM</span>
-<span class="w">    </span><span class="n">Employee</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="n">e1</span>
-<span class="w">    </span><span class="k">JOIN</span><span class="w"> </span><span class="n">Employee</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="n">e2</span><span class="w"> </span><span class="k">ON</span><span class="w"> </span><span class="n">e1</span><span class="p">.</span><span class="n">managerId</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">e2</span><span class="p">.</span><span class="n">id</span>
+<span class="w">    </span><span class="n">Employee</span><span class="w"> </span><span class="n">e1</span>
+<span class="w">    </span><span class="k">JOIN</span><span class="w"> </span><span class="n">Employee</span><span class="w"> </span><span class="n">e2</span><span class="w"> </span><span class="k">ON</span><span class="w"> </span><span class="n">e1</span><span class="p">.</span><span class="n">managerId</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">e2</span><span class="p">.</span><span class="n">id</span>
 <span class="k">WHERE</span><span class="w"> </span><span class="n">e1</span><span class="p">.</span><span class="n">salary</span><span class="w"> </span><span class="o">&gt;</span><span class="w"> </span><span class="n">e2</span><span class="p">.</span><span class="n">salary</span><span class="p">;</span>
 </code></pre></div></td></tr></table></div>
 </div>

en/lc/459/index.html

@@ -16791,15 +16791,6 @@
     </span>
   </a>
 
-</li>
-        
-          <li class="md-nav__item">
-  <a href="#solution-2" class="md-nav__link">
-    <span class="md-ellipsis">
-      Solution 2
-    </span>
-  </a>
-  
 </li>
 
       </ul>
@@ -79435,57 +79426,6 @@ <h3 id="solution-1">Solution 1</h3>
 </div>
 <!-- solution:end -->
 
-<!-- solution:start -->
-
-<h3 id="solution-2">Solution 2</h3>
-<div class="tabbed-set tabbed-alternate" data-tabs="2:1"><input checked="checked" id="__tabbed_2_1" name="__tabbed_2" type="radio" /><div class="tabbed-labels"><label for="__tabbed_2_1">TypeScript</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>
-<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></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">function</span><span class="w"> </span><span class="nx">repeatedSubstringPattern</span><span class="p">(</span><span class="nx">s</span><span class="o">:</span><span class="w"> </span><span class="kt">string</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="kd">const</span><span class="w"> </span><span class="nx">n</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">s</span><span class="p">.</span><span class="nx">length</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="nx">i</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="nx">i</span><span class="w"> </span><span class="o">&lt;</span><span class="w"> </span><span class="nx">n</span><span class="w"> </span><span class="o">&gt;&gt;</span><span class="w"> </span><span class="mf">1</span><span class="p">;</span><span class="w"> </span><span class="nx">i</span><span class="o">++</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">len</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">i</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="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">n</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="nx">len</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="p">{</span>
-<span class="w">            </span><span class="k">continue</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">t</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">s</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="mf">0</span><span class="p">,</span><span class="w"> </span><span class="nx">len</span><span class="p">);</span>
-<span class="w">        </span><span class="kd">let</span><span class="w"> </span><span class="nx">j</span><span class="o">:</span><span class="w"> </span><span class="kt">number</span><span class="p">;</span>
-<span class="w">        </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="nx">j</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">len</span><span class="p">;</span><span class="w"> </span><span class="nx">j</span><span class="w"> </span><span class="o">&lt;</span><span class="w"> </span><span class="nx">n</span><span class="p">;</span><span class="w"> </span><span class="nx">j</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="nx">len</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">s</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="nx">j</span><span class="p">,</span><span class="w"> </span><span class="nx">j</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="nx">len</span><span class="p">)</span><span class="w"> </span><span class="o">!==</span><span class="w"> </span><span class="nx">t</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
-<span class="w">                </span><span class="k">break</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="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">j</span><span class="w"> </span><span class="o">===</span><span class="w"> </span><span class="nx">n</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="kc">true</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="k">return</span><span class="w"> </span><span class="kc">false</span><span class="p">;</span>
-<span class="p">}</span>
-</code></pre></div></td></tr></table></div>
-</div>
-</div>
-</div>
-<!-- solution:end -->
-
 <!-- problem:end -->