Decode String (Popular) Problem

Decode String (Popular) Problem — ExecCode Medium DSA Practice

Solve the Decode String (Popular) problem on ExecCode. Free online medium DSA practice in Arrays - Basics. Write and run code in Java, C++, Python — no signup required to run.

Problem description

Decode String (Popular). Stack of counts and strings. For Decode String (Popular), focus on the exact input variables, return only the requested value, and preserve the required time complexity for the intended pattern.

Examples

Input {"s": "3[a]2[bc]"}; Output aaabcbc

Constraints

1 ≤ n ≤ 10^5

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