Implement a Stack Data Structure in C using an Array

Implement a stack data structure in C, C++ using an Array. In this post, We’ll learn about stack data structure and it’s implementation using an array.

Stack data structure implementation using Linked List.

What is Stack

A Stack is a Data Structure, in which insertion and deletion operations are allowed only at one end. It worked on LIFO (Last In First Out) Principle. In LIFO, the element which inserted last must be the first element to be removed.

In Stack, Insertion and Deletion operations are given a special name.

Push – To insert an element in a Stack.
Pop – To delete an element.

MCQ on Stack  and Queue Data Structure.

There are certain conditions we need to check before push and pop operations. Before push operation, we need to check whether there is a sufficient space available for a new element. If memory is not available, then it’s called as Stack Overflow. Similarly in pop operation, if a stack is empty, then it’s called Stack Underflow.

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Application of Stack

1. Stacks are used when a function is called.

2. To convert Infix to Postfix expression.

3. Evaluation of Postfix and Prefix expression.

4. In recursive function.

Implementation of Stack Data Structure in C using an Array

We can implement a stack through an array or a linked list. In this tutorial, We’ll learn to implement a stack using an array. You can check my previous post on a stack implementation using linked list.


Push value is 2
Push value is 4
Push value is 6

Pop value is 6
Pop value is 4
Pop value is 2

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