Quick Overview

Count the longest substring occurrences that can become one repeated uppercase letter within a replacement budget, counting positions rather than replacement choices.

Count Longest Substrings After Character Replacements

Company: Pinduoduo

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: hard

Interview Round: Technical Screen

Overview: Count the longest substring occurrences that can become one repeated uppercase letter within a replacement budget, counting positions rather than replacement choices.

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