Solution: Remove K Digits
Explore how to apply greedy algorithms to minimize a numeric string by removing k digits. Learn to use a monotonic increasing stack for optimal results, understand algorithm steps, and analyze its linear time and space complexity.
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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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