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			16 lines
		
	
	
		
			793 B
		
	
	
	
		
			HTML
		
	
	
	
	
	
<p>给定一组单词<code>words</code>,编写一个程序,找出其中的最长单词,且该单词由这组单词中的其他单词组合而成。若有多个长度相同的结果,返回其中字典序最小的一项,若没有符合要求的单词则返回空字符串。</p>
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<p><strong>示例:</strong></p>
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<pre><strong>输入:</strong> ["cat","banana","dog","nana","walk","walker","dogwalker"]
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<strong>输出:</strong> "dogwalker"
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<strong>解释:</strong> "dogwalker"可由"dog"和"walker"组成。
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</pre>
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<p><strong>提示:</strong></p>
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<ul>
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	<li><code>0 <= len(words) <= 200</code></li>
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	<li><code>1 <= len(words[i]) <= 100</code></li>
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</ul>
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