leetcode 문제
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[Leetcode] 395. Longest Substring with At Least K Repeating Characters코딩테스트 2021. 4. 25. 18:44
문제) Given a string s and an integer k, return the length of the longest substring of s such that the frequency of each character in this substring is greater than or equal to k. Example 1: Input: s = "aaabb", k = 3 Output: 3 Explanation: The longest substring is "aaa", as 'a' is repeated 3 times. Example 2: Input: s = "ababbc", k = 2 Output: 5 Explanation: The longest substring is "ababb", as 'a..