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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 with the title “Business” or “Fir ...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 first element of the queue formi...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 it. The output nodes can be prin ...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 typically retrieved before elements wit...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.Recommended PracticeImplement Qu ...read more

Introduction and Array Implementation of Queue

Last Updated: 25 May 2023

Implement Stack using Queues

Last Updated: 19 July 2023

Given a Queue data structure that supports standard operations like enqueue() and dequeue(). The task is to implement a Stack data structure using only instances of Queue ...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 (LRU) is one of those algorith...read more

Advanced Data Structure

Breadth First Search or BFS for a Graph

Last Updated: 09 June 2023

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 root of the graph and visits al...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 that supports two primary operatio ...read more

Queue

DSA

Queue using Stacks

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 using instances of stack data stru...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 completely before traversing the next...read more

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