Description
Given a string s
, return the maximum length of a substringΒ such that it contains at most two occurrences of each character.
Β
Example 1:
Input: s = "bcbbbcba"
Output: 4
Explanation:
The following substring has a length of 4 and contains at most two occurrences of each character:"bcbbbcba"
.Example 2:
Input: s = "aaaa"
Output: 2
Explanation:
The following substring has a length of 2 and contains at most two occurrences of each character:"aaaa"
.Β
Constraints:
2 <= s.length <= 100
s
consists only of lowercase English letters.