Solution: Remove K Digits
Understand how to apply a greedy approach using a monotonic stack to remove exactly k digits from a number string, ensuring the smallest resulting number. Learn to manage digit removals and handle edge cases like leading zeros while analyzing 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:
...