Solution: Remove K Digits
Explore how to apply greedy algorithms to remove exactly k digits from a numeric string to form the smallest possible number. Understand the use of a monotonic-increasing stack to efficiently solve this problem in linear time, while learning how to handle edge cases such as leading zeros.
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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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