122 lines
5.8 KiB
HTML
122 lines
5.8 KiB
HTML
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</style><!-- hexo-inject:begin --><!-- hexo-inject:end --></head><body><header><a href="/" class="logo-link"><img src="/logo.png"></a><ul class="nav nav-list"><li class="nav-list-item"><a href="/" target="_self" class="nav-list-link">ALL</a></li><li class="nav-list-item"><a href="/categories/leetcode/" target="_self" class="nav-list-link">LEETCODE</a></li><li class="nav-list-item"><a href="https://bearmiebear.blogspot.com" target="_blank" class="nav-list-link">BEAR</a></li><li class="nav-list-item"><a href="/atom.xml" target="_self" class="nav-list-link">RSS</a></li></ul></header><section class="container"><div class="post"><article class="post-block"><h1 class="post-title">leetcode-1160</h1><div class="post-meta"><div class="post-time">2020年4月1日</div></div><div class="post-content"><h3 id="1160-__u62FC_u5199_u5355_u8BCD"><a href="#1160-__u62FC_u5199_u5355_u8BCD" class="headerlink" title="1160. 拼写单词"></a>1160. 拼写单词</h3><p><a href="https://leetcode-cn.com/problems/find-words-that-can-be-formed-by-characters/" target="_blank" rel="noopener">题目</a></p>
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<!-- hexo-inject:begin --><!-- hexo-inject:end --><a id="more"></a>
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<p>利用列表 remove 方法，检查 chars 中是否有足够的字母拼写 word</p>
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<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span>:</span></span><br><span class="line"> <span class="function"><span class="keyword">def</span> <span class="title">countCharacters</span><span class="params">(self, words, chars: str)</span> -> int:</span></span><br><span class="line"></span><br><span class="line"> words_ = <span class="string">''</span></span><br><span class="line"> <span class="keyword">for</span> w <span class="keyword">in</span> words:</span><br><span class="line"> lchars = list(chars)</span><br><span class="line"> <span class="keyword">try</span>:</span><br><span class="line"> <span class="keyword">for</span> l <span class="keyword">in</span> w:</span><br><span class="line"> lchars.remove(l)</span><br><span class="line"> <span class="keyword">except</span>:</span><br><span class="line"> <span class="keyword">continue</span></span><br><span class="line"> words_ += w</span><br><span class="line"></span><br><span class="line"> <span class="keyword">return</span> len(words_)</span><br><span class="line"><span class="comment"># 152 ms 14.1 MB</span></span><br></pre></td></tr></table></figure>
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