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14 lines
568 B
HTML
14 lines
568 B
HTML
<p>有个内含单词的超大文本文件，给定任意两个<code>不同的</code>单词，找出在这个文件中这两个单词的最短距离(相隔单词数)。如果寻找过程在这个文件中会重复多次，而每次寻找的单词不同，你能对此优化吗?</p>
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<p><strong>示例：</strong></p>
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<pre>
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<strong>输入：</strong>words = ["I","am","a","student","from","a","university","in","a","city"], word1 = "a", word2 = "student"
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<strong>输出：</strong>1</pre>
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<p>提示：</p>
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<ul>
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<li><code>words.length <= 100000</code></li>
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</ul>
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