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        <title>字符串 - 标签 - 五岁博客</title>
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    <title>最长公共前缀怎么求？四种解法一次讲清</title>
    <link>https://fiveyoboy.com/articles/longest-common-prefix/</link>
    <pubDate>Tue, 01 Sep 2026 00:00:00 &#43;0000</pubDate>
    <author>五岁博客</author>
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    <description><![CDATA[<p>求一组字符串的最长公共前缀，是 LeetCode 第 14 题。</p>
<p>题目很短：给你一个字符串数组，找出它们共有的最长前缀；没有就返回空字符串。</p>
<p>我第一次做的时候随手写了个横向扫描，过了，但总觉得不踏实。</p>]]></description>
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