Remove K digits to make smallest number

In this article, we will be solving the problem of removing K digits from a given number to form the smallest number possible without changing the order of the original number. We will use the idea of Monotonic Stack.

Table of content:

Understanding the problemAlgorithm & PseudocodeImplementationsExplanation / Code walk-throughTime and Space ComplexityUnderstanding the problem

In this problem, the user provides us with two input numbers NUM and K, and we have to form the smallest number p...