Leetcode 459. Repeated Substring Pattern
Check whether a string can be formed by repeating a smaller substring multiple times — i.e., whether it has a non‑trivial period. Constraint: 1 ≤ s.length ≤ 10^4.
Question Timeline
See when this question was last asked and where, including any notes left by other candidates.
All Regions
Hello Interview Premium
Your account is free and you can post anonymously if you choose.