All Hard Articles
Given an array A[] of size N(1 ≤ N ≤ 105), consistingof positive integers, where the score of an index i in range [0, N… Read More
Cryptography is a technique of securing information and communications through the use of codes so that only those people for whom the information is intended… Read More
Online Assessment Test: The round consisted of four sections. Debugging (time constraint): There were 7 questions to be debugged. Coding Section (time constraint): There were… Read More
Resume Shortlisting: This round was very integral as many people were rejected in this round because their profile didn’t resonate with what the company was… Read More
Reversing a list means after reversing the list, the first element should be swapped with the last element, the second element should be swapped with… Read More
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
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
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
Given two positive integers L and R, the task is to find the count of ordered pairs in the range [L, R] such that the… Read More
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
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
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
Given two arrays S[] and E[] of size N denoting starting and closing time of the shops and an integer value K denoting the number… Read More
We will be building a Magic 8 Ball app that will give you the answers to all fun tricky questions (basically it is a fun… Read More
Prerequisites: Altair Altair is a statistical data visualization library in python which is based on Vega and Vega-Lite visualization grammars. A Stripplot is used for… Read More
The Java Shell tool (JShell) is an interactive tool for learning the Java programming language and prototyping Java code. JShell is a Read-Evaluate-Print Loop (REPL),… Read More
Array is contiguous memory allocation while LinkedList is a bloc of elements randomly placed in the memory which are linked together where a block is… Read More
In mathematics, a differential equation is an equation that relates one or more functions and their derivatives. In this article, we are going to discuss… Read More
Question 1. Find the equation of the line parallel to the x-axis and passing through (3, -5). Solution:  Let the equation of line be:  y… Read More
Question 11: Differentiate sin-1(2x√(1-x2)) with respect to tan-1(x/√(1-x2)) if -1/√2<x <1/√2. Solutions: Let u = sin-1(2x√(1-x2)) Substitute x = sin θ ⇒ θ = sin-1x… Read More