Queue

360+ posts

Last Updated: 28 March 2025

Queue is a linear data structure that follows FIFO (First In First Out) Principle, so the first element inserted is the first to be popped o...read more

Queue

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DSA

Tutorials

DSA Tutorials

Real-life Applications of Data Structures and Algorithms (DSA)

Last Updated: 31 July 2024

You may have heard that DSA is primarily used in the field of computer science. Although DSA is most commonly used in the computing field, i ...read more

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DSA

Priority Queue in Python

Last Updated: 26 April 2025

A priority queue is like a regular queue, but each item has a priority. Instead of being served in the order they arrive, items with higher ...read more

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Priority Queue using Linked List

Last Updated: 11 February 2025

Implement Priority Queue using Linked Lists. The Linked List should be so created so that the highest priority ( priority is assigned from 0 ...read more

ZigZag Tree Traversal

Last Updated: 17 May 2025

Given a binary tree, the task is to find the zigzag level order traversal of the tree. In zig zag traversal starting from the first level go...read more

Program for Page Replacement Algorithms | Set 2 (FIFO)

Last Updated: 15 September 2023

Prerequisite : Page Replacement Algorithms In operating systems that use paging for memory management, page replacement algorithm are needed...read more

Queue

DSA

Implementation of Deque using circular array

Last Updated: 11 February 2025

Deque or Double Ended Queue is a generalized version of the Queue data structure that allows insert and delete at both ends.Operations on De...read more

Minimum steps to reach target by a Knight | Set 1

Last Updated: 25 March 2025

Given a square chessboard of n x n size, the position of the Knight and the position of a target are given. We need to find out the minimum ...read more

Longest Valid Parentheses Substring

Last Updated: 11 February 2025

Given a stringstrconsisting of opening and closing parenthesis '(' and ')', the task is to find the length of the longest valid parenthesis ...read more

Rotten Oranges - Minimum Time to Rot All

Last Updated: 01 April 2025

Given a matrix of dimension mxn, where each cell in the matrix can have values 0, 1 or 2 which has the following meaning:0: Empty cell1: Cel...read more

Print Nodes in Top View of Binary Tree

Last Updated: 23 December 2024

Given a binary tree. The task is to find the top view of the binary tree. The top view of a binary tree is the set of nodes visible when the...read more

Deque - Introduction and Applications

Last Updated: 11 May 2025

Deque or Double Ended Queue is a generalized version of Queue data structure that allows insert and delete at both ends. Below is an example ...read more

Connect n ropes with minimum cost

Last Updated: 28 March 2025

Given an array arr[]of rope lengths, connect all ropes into a single rope with the minimum total cost. The cost to connect two ropes is the ...read more

Applications of Queue Data Structure

Last Updated: 28 March 2023

Introduction :A queue is a linear data structure that follows the "first-in, first-out" (FIFO) principle. It is a collection of elements tha ...read more

Queue

DSA

Level order traversal in spiral form

Last Updated: 15 May 2025

Given a binary tree and the task is to find the spiral order traversal of the tree and return the list containing the elements.Spiral order ...read more

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