面试算法字符串的相关内容

【面试算法——动态规划 21】正则表达式匹配（hard）&& 交错字符串

10. 正则表达式匹配给你一个字符串 s 和一个字符规律 p，请你来实现一个支持 ‘.’ 和 ‘*’ 的正则表达式匹配。‘.’ 匹配任意单个字符‘*’ 匹配零个或多个前面的那一个元素所谓匹配，是要涵盖整个字符串 s的，而不是部分字符串。示例 1：输入：s = “aa”, p = “a”输出：fa...

【面试算法——动态规划 19】最长回文子序列&& （hard）让字符串成为回文串的最少插入次数

516. 最长回文子序列给你一个字符串 s ，找出其中最长的回文子序列，并返回该序列的长度。子序列定义为：不改变剩余字符顺序的情况下，删除某些字符或者不删除任何字符形成的一个序列。示例 1：输入：s = “bbbab”输出：4解释：一个可能的最长回文子序列为 “bbbb” 。示例 2：输入：s = ...

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面试之算法基础系列（1）最长子字符串、字符串同构

1.最长子字符串题目为：【题目】给定一个字符串，给定一个数字k ( 0< k ≤ 字符串长度)，输出最长的包含k个不同字符子串的长度。【Example】“cbca”, k=2，输出最长的包含2个不同字符子串的长度。答案：3最容易想到的是暴力解法，就是遍历求出字符串的所有子串，并找出...

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更新时间 2024-02-21 10:55:41

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