carloscn / carloscn/structstudy

leetcode459:重复的子字符串(repeated-substring-pattern)

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Level-easy 一般问题 字符串 查找
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Description

### 问题描述

给定一个非空的字符串 s ,检查是否可以通过由它的一个子串重复多次构成。

示例 1:
输入: s = "abab"
输出: true
解释: 可由子串 "ab" 重复两次构成。

示例 2:
输入: s = "aba"
输出: false

示例 3:
输入: s = "abcabcabcabc"
输出: true
解释: 可由子串 "abc" 重复四次构成。 (或子串 "abcabc" 重复两次构成。)

提示:
1 <= s.length <= 104
s 由小写英文字母组成

来源:力扣(LeetCode)
链接:https://leetcode.cn/problems/repeated-substring-pattern

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