Min Stack - Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. Implement the MinStack class: * MinStack () initializes the stack object. * void …

The provided Python code defines a class MinStack which implements a stack that, in addition to the typical push and pop operations, can retrieve the smallest element in the stack in constant …

LeetCode 155: Min Stack in Python is a foundational stack challenge. The Dual Stack with Minimum Tracking solution excels with its efficiency and simplicity, while Single Stack with …

Dec 28, 2023 · Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. Implement the MinStack class: MinStack() initializes the stack object. void …

Design a stack, named MinStack, that supports push, pop, top, and retrieving the minimum element operations. All operations should have O (1) time complexity. The class should …

self.stack = [] def push(self, val: int) -> None: . self.stack.append(val) def pop(self) -> None: . self.stack.pop() def top(self) -> int: return self.stack[-1] def getMin(self) -> int: . tmp = [] . mini = …

Learn how to implement a Min Stack in Python that supports push, pop, top, and retrieving the minimum element efficiently.

Let's explore a Python implementation of a MinStack, starting with a basic version and transitioning to a more optimized solution. Let's first look at a non-optimized implementation of …

Conclusion The “Min Stack” problem is a great exercise in augmenting data structures with auxiliary information. By maintaining a parallel stack of minimum values, we ensure constant …

May 3, 2016 · To implement a Min Stack (LeetCode problem 155), which supports push, pop, top, and retrieving the minimum element in constant time, you can maintain two stacks: one to …