Solution: Longest Repeating Character Replacement
Explore how to solve the longest repeating character replacement problem by applying the sliding window technique. Understand how to track character frequencies and manage window size to find the maximum valid substring length while adhering to replacement constraints.
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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