Solution: Longest Repeating Character Replacement
Explore an optimized solution to find the longest substring where you can replace at most k characters to make all characters identical. Learn how to apply the sliding window technique with frequency tracking to achieve an O(n) time complexity while understanding time and space efficiency.
Statement
Given a string, s, and an integer, k, find the length of the longest substring in s, where all characters are identical, after replacing, at most, k characters with any other uppercase English character.
Constraints:
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