Queue

350+ posts

Data Structure Types, Classifications and Applications

Last Updated: 21 December 2023

What is Data Structure:A data structure is a storage that is used to store and organize data. It is a way of arranging data on a computer so...read more

Arrays

Strings

Linked List

Tree

Difference between Stack and Queue Data Structures

Last Updated: 29 March 2023

Stack: A stack is a linear data structure in which elements can be inserted and deleted only from one side of the list, called the top. A st...read more

Array implementation of queue (Simple)

Last Updated: 05 March 2023

How to implement Queue using Array?To implement a queue using an array,create an array arr of size n andtake two variables front and rear bo...read more

Queue

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Technical Scripter 2018

DSA

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Priority Queue in Python

Last Updated: 29 August 2022

Priority Queues are abstract data structures where each data/value in the queue has a certain priority. For example, In airlines, baggage wi ...read more

Python-Data-Structures

DSA

Introduction to Circular Queue

Last Updated: 07 July 2023

What is a Circular Queue?A Circular Queue is an extended version of a normal queue where the last element of the queue is connected to the f...read more

Queue

circular-array

DSA

Print Nodes in Top View of Binary Tree

Last Updated: 19 January 2023

The top view of a binary tree is the set of nodes visible when the tree is viewed from the top. Given a binary tree, print the top view of i ...read more

What is Priority Queue | Introduction to Priority Queue

Last Updated: 11 January 2023

A priority queue is a type of queue that arranges elements based on their priority values. Elements with higher priority values are typicall...read more

Queue - Linked List Implementation

Last Updated: 12 January 2023

In this article, the Linked List implementation of the queue data structure is discussed and implemented. Print '-1' if the queue is empty.R ...read more

Introduction and Array Implementation of Queue

Last Updated: 25 May 2023

Implement Stack using Queues

Last Updated: 09 January 2024

Given a Queue data structure that supports standard operations like enqueue() and dequeue(). The task is to implement a Stack data structure...read more

Complete Tutorial on LRU Cache with Implementations

Last Updated: 25 October 2023

What is LRU Cache?Cache replacement algorithms are efficiently designed to replace the cache when the space is full. The Least Recently Used...read more

Advanced Data Structure

Breadth First Search or BFS for a Graph

Last Updated: 02 January 2024

The Breadth First Search (BFS) algorithm is used to search a graph data structure for a node that meets a set of criteria. It starts at the ...read more

Sliding Window Maximum (Maximum of all subarrays of size K)

Last Updated: 05 December 2023

Given an array and an integer K, find the maximum for each and every contiguous subarray of size K.Examples : Input: arr[] = {1, 2, 3, 1, 4...read more

Last Updated: 10 July 2023

The problem is opposite of this post. We are given a stack data structure with push and pop operations, the task is to implement a queue usi...read more

Level Order Traversal (Breadth First Search or BFS) of Binary Tree

Last Updated: 05 June 2023

Level Order Traversal technique is defined as a method to traverse a Tree such that all nodes present in the same level are traversed comple...read more

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