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Grokking the Coding Interview Patterns in C++

Solution: Remove All Adjacent Duplicates In String

Explore how to remove adjacent duplicate characters from a string using the stack pattern. Learn to implement an optimized solution that traverses the string once, pushing and popping characters to handle duplicates efficiently, resulting in improved performance over naive methods.

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Statement

You are given a string consisting of lowercase English letters. Repeatedly remove adjacent duplicate letters, one pair at a time. Both members of a pair of adjacent duplicate letters need to be removed.

Constraints:

  • 1≤1 \leq string.length
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