All Hard Articles

Java Program to Implement HashTables with Linear Probing

Hashing is a technique that is used to uniquely identify a specific object from a group of similar objects. Suppose an object is to be… Read More

Java-Collections

Java-HashTable

Picked

Technical Scripter 2020

Java

Java Programs

Technical Scripter

How to Generate a Random Undirected Graph for a Given Number of Edges in Java?

An undirected graph is graph, i.e, a set of objects (called vertices or nodes) that are connected together, where all the edges are bidirectional. An… Read More

Picked

DSA

Graph

Java

Java Programs

Implementation of Vernam Cipher or One Time Pad Algorithm

One Time Pad algorithm is the improvement of the Vernam Cipher, proposed by An Army Signal Corp officer, Joseph Mauborgne. It is the only available… Read More

encoding-decoding

Picked

Technical Scripter 2020

Algorithms

DSA

Technical Scripter

Top 10 DevOps Skills to Learn in 2024

DevOps has significantly evolved as a key component in the ever-changing world of software development that usually allows businesses to increase their efficiency and reliability.… Read More

GBlog

Queries to calculate sum by alternating signs of array elements in a given range

Given an array arr[] of size N and a 2D array Q[][], consisting of queries of the following two types: 1 X Val: Update arr[X]… Read More

array-range-queries

Segment-Tree

Technical Scripter 2020

Arrays

DSA

Mathematical

Technical Scripter

XOR Linked List – Reverse a Linked List in groups of given size

Given a XOR linked list and an integer K, the task is to reverse every K nodes in the given XOR linked list. Examples: Input:… Read More

Bitwise-XOR

Linked Lists

Reverse

Bit Magic

Data Structures

DSA

Linked List

Recursion

Radius of a circle having area equal to the sum of area of the circles having given radii

Given two integers r1 and r2, representing the radius of two circles, the task is to find the radius of the circle having area equal… Read More

Circles

C Language

DSA

Geometric

Mathematical

Taking password as input in C++

There are two methods in which input can be taken in a more secure way: Do not display any content. Display a special character such… Read More

cpp-input-output

Input and Output

C++

C++ Programs

Misc

Programming Language

Difference between Synchronous TDM and Statistical TDM

1. Synchronous TDM :Synchronous time division multiplexing (STDM), every device which is present in this has given the same time slot to transmit data. This… Read More

Computer Networks

Difference Between

Technical Scripter

6 Types of Anti Patterns to Avoid in Software Development

This blog is for all those developers who started hiding their faces in front of senior engineers when they were caught red-handed because of the… Read More

GBlog

UI Components of Android Jetpack

Android Jetpack is a set of software components, libraries, tools, and guidance to help in developing robust Android applications. Launched by Google in 2018, Jetpack… Read More

Android-Jetpack

Technical Scripter 2020

Android

Technical Scripter

Cloudera Interview Experience for SDE Internship+FTE | On-Campus 2020

Cloudera came for hiring in July 2020 on our campus for the SDE role (FTE + internship). We had a total of 4 rounds (1… Read More

Cloudera

On-Campus

Experiences

Internship

Interview Experiences

How to Update Data in Firebase Firestore in Android?

In the previous article, we have seen on How to Add Data to Firebase Firestore in Android, How to Read the data from Firebase Firestore… Read More

Technical Scripter 2020

Android

android 1

Java

Technical Scripter

Flutter – Respecting the Softkeyboard Insets

Flutter has made it simpler and easier to make a beautiful and interactive user interface. But there comes a problem faced by many flutter developers… Read More

Flutter

Picked

android 1

Flutter

Count removal of pairs required to be empty all Balanced Parenthesis subsequences

Given a string str, the task is to find the maximum count of pairs (str[i], str[j]) of balanced parenthesis required to be removed such that… Read More

frequency-counting

Parentheses-Problems

subsequence

DSA

Strings

India’s Super Brain 2021 – An Alien Brains Initiative Powered By GeeksforGeeks!

India’s Super Brain (ISB), a remarkable coding competition where you get mentored first and then compete, is back for the year 2021 for all the… Read More

Gblog-2021

GFG-Update

GBlog

GeeksforGeeks Initiatives

Class 10 NCERT Solutions- Chapter 6 Triangles – Exercise 6.6

This exercise has been deleted as per new NCERT Syllabus Question 1. In Fig., PS is the bisector of ∠QPR of ΔPQR. Prove that Solution:… Read More

NCERT Solutions Class-10

Picked

Class 10

Mathematics

NCERT

School Learning

Probability that the sum of all numbers obtained on throwing a dice N times lies between two given integers

Given three integers N, A, and B, the task is to calculate the probability that the sum of numbers obtained on throwing the dice exactly… Read More

Algorithms-Dynamic Programming

Probability

DSA

Dynamic Programming

Mathematical

Recursion

Zynga Interview Experience SE-1 (Experienced)

Round 1(Google Meet Interview DS + ALGO 1H 10M): Started with a quick and healthy introduction. He asked me a little about my past projects,… Read More

Zynga

DSA

Experienced

Experiences

Graph

Interview Experiences

Count of array elements that can be found using Randomized Binary Search on every array element

Given an array arr[] of size N, the task is to find the minimum count of array elements found by applying the Randomized Binary Search… Read More

Binary Search

Algorithms

Arrays

Divide and Conquer

DSA

Mathematical

Searching