Solution: Longest Repeating Character Replacement
Explore an efficient solution to find the longest substring where characters can be replaced up to k times to make all characters identical. Learn how to apply the sliding window technique with frequency tracking to solve this problem with time complexity O(n) and constant space usage, improving over naive methods.
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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