Solution: Remove K Digits
Understand how to apply a greedy algorithm and monotonic stack to remove exactly k digits from a numeric string, producing the smallest possible number. This lesson guides you through each step of the solution and analyzes time and space complexity.
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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