Remove K Digits Problem

Remove K Digits Problem — ExecCode Medium DSA Practice

Solve the Remove K Digits 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

Remove K Digits. Monotonic increasing digit stack. For Remove K Digits, focus on the exact input variables, return only the requested value, and preserve the required time complexity for the intended pattern.

Examples

Input {"num": "1432219", "k": 3}; Output 1219

Constraints

1 ≤ n ≤ 10^5

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