Given a postfix expression Containing only operators [+, – , *, / ] and numbers. Postfix expression is given the

Continue reading# Category: Stack

## Evaluation of Prefix expression

Problem Statement: Evaluation of prefix expression step by step. Examples: Example 1: Input: * 5 4 Output: 20 Explanation: Refer

Continue reading## Infix to Prefix

Problem Statement: Given an infix expression, Your task is to convert the given infix expression to a prefix expression. Examples:

Continue reading## Infix to Postfix

Problem Statement: Given an infix expression, Your task is to convert the given infix expression to a postfix expression. Examples:

Continue reading## Applications of Stack

What is a stack? Stack is a linear data structure in which elements are stored in a certain order. It

Continue reading## Stack in Data Structure

What is Stack? A stack is a non-primitive linear data structure. it is an ordered list in which the addition

Continue reading## Post-Order Traversal Of Binary Tree

Problem Statement: Postorder Traversal of a binary tree. Write a program for the postorder traversal of a binary tree. Example: Disclaimer:

Continue reading## Area of largest rectangle in Histogram

Problem Statement: Given an array of integers heights representing the histogram’s bar height where the width of each bar is

Continue reading## Implement Queue using Stack

Problem Statement: Given a Stack having some elements stored in it. Can you implement aQueue using the given Stack? Queue:

Continue reading## Next Greater Element Using Stack

Problem Statement: Given a circular integer array A, return the next greater element for every element in A. The next

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