## Implement K stacks in a single Array

Problem Statement:  Design a data structure to implement ‘N’ stacks using a single array of size ‘S’. It should support

## Two stacks in an array

Problem Statement: You need to try implementing 2 stacks in a single array. Example: push1(10): Insert 10 in stack1 push2(21):

## Evaluation of Postfix Expression

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

## Evaluation of Prefix expression

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

## Infix to Prefix

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

## Infix to Postfix

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

## Applications of Stack

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

## 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