Solution: Remove K Digits
Explore a greedy method to solve the problem of removing k digits from a numeric string to form the smallest possible number. Understand how to use a monotonic increasing stack to optimize deletions, manage remaining removals, and handle leading zeros efficiently.
We'll cover the following...
We'll cover the following...
Statement
Given a string, num, that represents a non-negative integer and an integer k, remove exactly k digits from num so that the remaining digits form the smallest possible number.
Constraints:
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