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add leetcode problem-cn part2
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算法题(国内版)/problem (Chinese)/单词转换 [word-transformer-lcci].html
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算法题(国内版)/problem (Chinese)/单词转换 [word-transformer-lcci].html
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<p>给定字典中的两个词,长度相等。写一个方法,把一个词转换成另一个词, 但是一次只能改变一个字符。每一步得到的新词都必须能在字典中找到。</p>
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<p>编写一个程序,返回一个可能的转换序列。如有多个可能的转换序列,你可以返回任何一个。</p>
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<p><strong>示例 1:</strong></p>
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<pre><strong>输入:</strong>
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beginWord = "hit",
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endWord = "cog",
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wordList = ["hot","dot","dog","lot","log","cog"]
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<strong>输出:</strong>
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["hit","hot","dot","lot","log","cog"]
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</pre>
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<p><strong>示例 2:</strong></p>
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<pre><strong>输入:</strong>
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beginWord = "hit"
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endWord = "cog"
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wordList = ["hot","dot","dog","lot","log"]
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<strong>输出: </strong>[]
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<strong>解释:</strong> <em>endWord</em> "cog" 不在字典中,所以不存在符合要求的转换序列。</pre>
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