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Solution: Decode String

Explore how to decode encoded strings by implementing stack-based methods. This lesson helps you understand handling nested and repeated substrings, managing counts, and reconstructing the full decoded string systematically. By mastering this approach, you will improve your ability to solve complex string decoding problems often encountered in coding interviews.

Statement

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