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63 lines
2.9 KiB
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63 lines
2.9 KiB
HTML
<p>在英语中，有一个叫做 <code>词根(root)</code> 的概念，它可以跟着其他一些词组成另一个较长的单词——我们称这个词为 <code>继承词(successor)</code>。例如，词根<code>an</code>，跟随着单词 <code>other</code>(其他)，可以形成新的单词 <code>another</code>(另一个)。</p>
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<p>现在，给定一个由许多词根组成的词典和一个句子，需要将句子中的所有<code>继承词</code>用<code>词根</code>替换掉。如果<code>继承词</code>有许多可以形成它的<code>词根</code>，则用最短的词根替换它。</p>
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<p>需要输出替换之后的句子。</p>
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<p> </p>
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<p><strong>示例 1：</strong></p>
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<pre>
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<strong>输入：</strong>dictionary = ["cat","bat","rat"], sentence = "the cattle was rattled by the battery"
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<strong>输出：</strong>"the cat was rat by the bat"
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</pre>
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<p><strong>示例 2：</strong></p>
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<pre>
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<strong>输入：</strong>dictionary = ["a","b","c"], sentence = "aadsfasf absbs bbab cadsfafs"
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<strong>输出：</strong>"a a b c"
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</pre>
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<p><strong>示例 3：</strong></p>
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<pre>
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<strong>输入：</strong>dictionary = ["a", "aa", "aaa", "aaaa"], sentence = "a aa a aaaa aaa aaa aaa aaaaaa bbb baba ababa"
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<strong>输出：</strong>"a a a a a a a a bbb baba a"
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</pre>
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<p><strong>示例 4：</strong></p>
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<pre>
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<strong>输入：</strong>dictionary = ["catt","cat","bat","rat"], sentence = "the cattle was rattled by the battery"
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<strong>输出：</strong>"the cat was rat by the bat"
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</pre>
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<p><strong>示例 5：</strong></p>
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<pre>
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<strong>输入：</strong>dictionary = ["ac","ab"], sentence = "it is abnormal that this solution is accepted"
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<strong>输出：</strong>"it is ab that this solution is ac"
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</pre>
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<p> </p>
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<p><strong>提示：</strong></p>
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<ul>
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<li><code>1 <= dictionary.length <= 1000</code></li>
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<li><code>1 <= dictionary[i].length <= 100</code></li>
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<li><code>dictionary[i]</code> 仅由小写字母组成。</li>
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<li><code>1 <= sentence.length <= 10^6</code></li>
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<li><code>sentence</code> 仅由小写字母和空格组成。</li>
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<li><code>sentence</code> 中单词的总量在范围 <code>[1, 1000]</code> 内。</li>
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<li><code>sentence</code> 中每个单词的长度在范围 <code>[1, 1000]</code> 内。</li>
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<li><code>sentence</code> 中单词之间由一个空格隔开。</li>
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<li><code>sentence</code> 没有前导或尾随空格。</li>
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</ul>
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<p> </p>
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<p><meta charset="UTF-8" />注意：本题与主站 648 题相同： <a href="https://leetcode-cn.com/problems/replace-words/">https://leetcode-cn.com/problems/replace-words/</a></p>
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