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Grokking the Coding Interview Patterns

Solution: Decode String

Explore how to decode encoded strings that use repeat patterns within brackets by applying stack operations. Understand managing nested patterns, handling repeat counts, and reconstructing decoded substrings step by step to solve problems involving string decoding in coding interviews.

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Statement

Given an encoded string, return its decoded version. The encoding rule follows the pattern: k[encoded string]k[encoded~string] ...