Introduction ‘Stack’ is an abstract and linear data structure and one of the most basic data structures in Computer Science. It’s easy to learn. We will be going to know how Stack works and its implementation. This blog is dedicated to know about Stack data structure. Concept First of all, let’s think about a real-life […]

# Tag: Stack

## Reverse Only Letters | LeetCode 917 | Python | Solution

Click here to see the problem details. Problem Overview The problem description is pretty precise. It says that we have to return the reverse version of the given string. But we can only reverse letters. Characters that are not a letter stay in the same place. Only letters will change their position. Let’s see an […]

## 155. Min Stack | LeetCode | Solution

This problem is all about designing a stack data structure. Here is the problem link. See the detailed explanation there. To solve this problem, we have to write the most common stack operations. A stack is an abstract data structure. It’s Follow the LIFO (Last In First Out) rules. I hope you already know about […]

## Implementation of Stack Using Linked List and List – Code Snippet

The stack is a data structure. To implement a stack data structure, we can use both linked list or array. Below are examples of both types of implementation. Using Linked List Using Python List