Solution: Remove K Digits
Explore how to remove exactly k digits from a numeric string to produce the smallest possible number using a greedy algorithm. Learn to apply a monotonic stack technique, understand the step-by-step process, and analyze time and space complexities to solve this problem 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:
...