Heap queue or heapq in Python
Heap Data structure primarily focuses on representing priority queue. In Python, there is an inbuilt module “heapq” which is used for implementing Heap data structure. By default, Min Heap is...
Overview of data structures binary tree, bst, heap, and hash
Binary Tree: A Binary tree is a tree data structure in which each node has at most two children i.e. the left child and right child. Representation: A binary tree...
How to check if a given array represents a Binary Heap?
Problem Statement: Given an array of integers, how We have to check if the given array represents a binary max-heap or not. First, we’ll see what is Binary heaps and...
Height of a complete Binary tree or Binary heap with N Nodes
Every node in a binary tree has either 0 children, 1 children, or 2 children. The node is a leaf node if it has no offspring. A node is an...
Minimum element in a max heap
Problem statement: The Statement is quite straightforward given a max heap, find the minimum element present in the heap. A Max heap is a complete binary tree and in the...
Difference between binary heap, binomial heap, and Fibonacci heap
A heap is a specialized tree-based data structure that satisfies the heap property. It is commonly used to implement priority queues and efficient sorting algorithms like heapsort. The heap property...
make_heap() in C++ STL
make_heap(): make_heap() function is used to transform a sequence into a heap. Heap is a data structure in which we can place elements accordingly, and make them accessible in O(1)...
Heap Algorithm for Generating Permutations
Heaps algorithms are employed for generating all conceivable permutations of n-decimals within a number. This algorithm minimizes the need for extensive rearrangements, essentially constructing each permutation from its predecessor by...
Why is Binary Heap Preferred over BST for Priority Queue?
Binary heaps and BSTs differ in their structure, operations, and use cases. Binary heaps excel at providing efficient priority queue operations and have a simple structure. They are well-suited for...
Applications of Heap data structures
What is Heap? A heap is a complete binary tree, A complete binary tree is a binary tree in which all the levels are completely filled except the last level...
Convert BST to Min Heap
Problem Statement: In this problem, we will be given a binary search tree and we have to convert the Binary search tree into a min-heap. This condition is applied to...
C++ program for heap sort
A heap is a complete binary tree, A complete binary tree is a binary tree in which all the levels are completely filled except the last level i.e. leaf node....
Array Representation of a Binary Heap
What is Binary Heap? A Binary Heap is a complete binary tree that follows a heap ordering property. The representation is done as: Parent Node: (i-1)/2 Left Child: (2i) +...
Skew Heap
Skew Heap: So basically, Skew Heap is a heap data structure implemented as a binary tree. Skew Heap has an advantage over binary trees as skew heaps merge more quickly...
Heap Sort for decreasing order using min heap
Problem Statement: In this problem, we have given an array, and we have to sort the array in decreasing order using a min-heap. Example: Input : arr[] = {1, 50,...
20 most common interview questions and answers for freshers
1. What are the SDLC models present? Ans. Waterfall Model, Spiral Model, Big-bag model, Iterative Model, and V- Model are some of the famous SDLC models. 2. What are the...
How to write string programs in C
A String in C is basically a sequence of characters/symbols which is terminated with a null character \0. E.g., char str = “this is a string” Let us see how...
Cisco interview questions for freshers
Thousands of job seekers apply every year to Cisco where their skills are tested and thoroughly. Here we will be discussing some of the important questions that were commonly asked...
Contest Winner
CONCEPTS USED: Josephus Problem DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given a circular linked list containing N elements from 1 - N arranged in increasing order and an integer M. Your...
20 Must Practice Basic C++ Programs for Beginners
In this article, we’ve covered the top 20 must practice basic C++ practice problems for beginners. It is advised to solve these questions from your side, i.e., this article should...
How to start coding for beginners
Ah! The most popular phase nowadays. Right? Coding has now become an important subject in itself. It not only helps you to clear your thinking process but also increases your...
10 Simple C++ Programs for Beginners
C++ is one the most popular language in the programming world. In this article we will be looking towards 10 basic C++ programs for beginners in CPP. C++ is a...
Know Everything about Linked List in Data Structure
The linked list is one of the most important concepts in data structures and data structures to learn while preparing for interviews. Having a good grasp of Linked Lists can...
Top 50 OS interview questions and answers
 Explain the main purpose of the Operating system?Ans. OS is used for communication between the computer systems and their peripherals and also provides an environment for the development and...
What is the difference between core java and advanced java?
Java being one of the most popular languages is sometimes quite intimidating. Most of you must have heard or even used both core java and advanced java concepts at some...
Java Program for Beginners
Java program examples are the most effective way to practice the Java programming language. This page contains basic Java practice program examples. It is suggested that you use the examples...
Difference and similarities between HashSet, LinkedHashSet, and TreeSet in Java
Introduction We all have been using HashSet, LinkedHashSet, and TreeSet in Java. But do you know what are the differences between them and how they all are similar too in...
Aman String
Concepts Used Strings Difficulty Level Easy Problem Statement (Simplified): Find the total number of pairs of indexes (i , j) such as subString(i , j) contains aman atleast once. Test...
Preparing For Placement Season? Learn About Intuit’s Recruitment Process!
About Intuit Intuit Inc. is an American business that specializes in financial software. The company is headquartered in Mountain View, California, and the CEO is Sasan Goodarzi. Intuit develops and...
How Does Infosys Hire & What Is Its Recruitment Process?
Infosys Limited is a multinational information technology firm based in India that specializes in business consulting, information technology, and outsourcing. The firm is based in Bangalore and was started in...