Solution: Longest Repeating Character Replacement
Understand how to solve the longest repeating character replacement problem using the sliding window approach. Learn to efficiently track character frequencies, adjust window size, and optimize the solution to run in linear time. This lesson helps you apply the sliding window pattern for string manipulation tasks common in coding interviews.
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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