Leetcode Problem 686. Repeated String Match

686. Repeated String Match

Leetcode Solutions

Initialize a counter count to 1 and a StringBuilder with string a.
Check if b is already a substring of a. If yes, return count.
While the length of the StringBuilder is less than the length of b, append a to it and increment count.
After each append, check if b is a substring of the StringBuilder. If yes, return count.
If the length of the StringBuilder exceeds the length of b plus the length of a and b is still not a substring, return -1.

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