Leetcode Problem 459. Repeated Substring Pattern

459. Repeated Substring Pattern

Leetcode Solutions

String Concatenation Approach

Concatenate string s with itself to create a new string t (i.e., t = s + s).
Remove the first and last characters from t to handle the rotation cases.
Check if s is a substring of the modified t.
If s is a substring, return true; otherwise, return false.

Using Divisors Approach

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