DIY: Min Stack
Understand how to implement a min stack that allows retrieving the minimum value in constant time without popping it. Learn to design push, pop, and min operations to enhance stack functionality while maintaining performance.
We'll cover the following...
We'll cover the following...
Problem statement
You have to implement the min_stack class, which has a min(obj) function. Whenever min(obj) is called, the minimum value of the stack is returned in O(1) time. The element is ...