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Grokking the Coding Interview Patterns in C++

Decode String

Explore how to decode an encoded string where substrings repeat multiple times, using stack data structures. Understand the problem constraints and implement a solution that handles nested patterns efficiently. This lesson helps you develop skills to process and manipulate strings with balanced brackets and repetition counts, essential for 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], where the encoded stringencoded~string ...