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Grokking the Coding Interview Patterns in C#

Decode String

Explore how to decode encoded strings following the pattern k[encoded_string] by applying stack-based solutions. Understand problem constraints, input validation, and implement an efficient approach to handle nested and repeated patterns typical 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], where the encoded stringencoded~string ...