How to Solve Smallest Substring With Identical Characters I I Problem
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Smallest Substring With Identical Characters II
You are given a binary string s of length n and an integer numOps. You are allowed to perform the following operation on s at most numOps times: Select any index i (where 0 <= i < n) and flip s[i]. If...
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Understanding the Smallest Substring With Identical Characters I I Problem
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Problem Statement
You are given a binary string s of length n and an integer numOps. You are allowed to perform the following operation on s at most numOps times: Select any index i (where 0 <= i < n) and flip s[i]. If s[i] == '1', change s[i] to '0' and vice versa. You need to minimize the length of the longest substring of s such that all the characters in the substring are identical. Return the minimum length after the operations.
Smallest Substring With Identical Characters II
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Examples
s = "000001", numOps = 1
2
By changing s[2] to '1', s becomes "001001". The longest substrings with identical characters are s[0..1] and s[3..4].
s = "0000", numOps = 2
1
By changing s[0] and s[2] to '1', s becomes "1010".
s = "0101", numOps = 0
1
Constraints
1 <= n == s.length <= 105
s consists only of '0' and '1'.
0 <= numOps <= n
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