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[LeetCode] Repeated Substring Pattern 重复子字符串模式

 

Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exceed 10000.

Example 1:

Input: "abab"Output: TrueExplanation: It‘s the substring "ab" twice.

 

Example 2:

Input: "aba"Output: False

 

Example 3:

Input: "abcabcabcabc"Output: TrueExplanation: It‘s the substring "abc" four times. (And the substring "abcabc" twice.)

 

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[LeetCode] Repeated Substring Pattern 重复子字符串模式