leetcode-problemset/leetcode-cn/originData/om3reC.json

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        "question": {
            "questionId": "1000300",
            "questionFrontendId": "LCR 108",
            "categoryTitle": "Algorithms",
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            "title": "单词接龙",
            "titleSlug": "om3reC",
            "content": "<p>English description is not available for the problem. Please switch to Chinese.</p>\n",
            "translatedTitle": "单词接龙",
            "translatedContent": "<p>在字典（单词列表）&nbsp;<code>wordList</code> 中，从单词 <code>beginWord</code><em>&nbsp;</em>和 <code>endWord</code> 的 <strong>转换序列 </strong>是一个按下述规格形成的序列：</p>\n\n<ul>\n\t<li>序列中第一个单词是 <code>beginWord</code> 。</li>\n\t<li>序列中最后一个单词是 <code>endWord</code> 。</li>\n\t<li>每次转换只能改变一个字母。</li>\n\t<li>转换过程中的中间单词必须是字典&nbsp;<code>wordList</code> 中的单词。</li>\n</ul>\n\n<p>给定两个长度相同但内容不同的单词<em> </em><code>beginWord</code><em>&nbsp;</em>和 <code>endWord</code> 和一个字典 <code>wordList</code> ，找到从&nbsp;<code>beginWord</code> 到&nbsp;<code>endWord</code> 的 <strong>最短转换序列</strong> 中的 <strong>单词数目</strong> 。如果不存在这样的转换序列，返回 0。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>beginWord = &quot;hit&quot;, endWord = &quot;cog&quot;, wordList = [&quot;hot&quot;,&quot;dot&quot;,&quot;dog&quot;,&quot;lot&quot;,&quot;log&quot;,&quot;cog&quot;]\n<strong>输出：</strong>5\n<strong>解释：</strong>一个最短转换序列是 &quot;hit&quot; -&gt; &quot;hot&quot; -&gt; &quot;dot&quot; -&gt; &quot;dog&quot; -&gt; &quot;cog&quot;, 返回它的长度 5。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>beginWord = &quot;hit&quot;, endWord = &quot;cog&quot;, wordList = [&quot;hot&quot;,&quot;dot&quot;,&quot;dog&quot;,&quot;lot&quot;,&quot;log&quot;]\n<strong>输出：</strong>0\n<strong>解释：</strong>endWord &quot;cog&quot; 不在字典中，所以无法进行转换。</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= beginWord.length &lt;= 10</code></li>\n\t<li><code>endWord.length == beginWord.length</code></li>\n\t<li><code>1 &lt;= wordList.length &lt;= 5000</code></li>\n\t<li><code>wordList[i].length == beginWord.length</code></li>\n\t<li><code>beginWord</code>、<code>endWord</code> 和 <code>wordList[i]</code> 由小写英文字母组成</li>\n\t<li><code>beginWord != endWord</code></li>\n\t<li><code>wordList</code> 中的所有字符串 <strong>互不相同</strong></li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><meta charset=\"UTF-8\" />注意：本题与主站 127&nbsp;题相同：&nbsp;<a href=\"https://leetcode-cn.com/problems/word-ladder/\">https://leetcode-cn.com/problems/word-ladder/</a></p>\n",
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