459. Repeated Substring Pattern
Problem Statement
Given a string s
, check if it can be constructed by taking a substring of it and appending multiple copies of the substring together.
Example 1:
Example 2:
Example 3:
Constraints:
1 <= s.length <= 104
s
consists of lowercase English letters.
Intuition
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Approach 1:
Approach 2:
Approach 3:
Approach 4:
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