Online Test: The first round contain easy to medium questions. The online test consists of 28 MCQs in which there were general aptitude questions, OOPS,… Read More »

Total there are four rounds in the interview process. 3 rounds data structures & algorithms and one round is about system design. I was asked… Read More »

JSON Web Token is an open standard for securely transferring data within parties using a JSON object. JWT is used for stateless authentication mechanisms for… Read More »

MD5 module in node.js uses a message-digest algorithm and it is a widely used hash function producing a 128-bit hash value. Password hashing is an… Read More »

Formidable module is used for parsing form data, especially file uploads. It is easy to use and integrate into your project for handling incoming form… Read More »

The ufunc expect a set of scalars as input and produce a set of scalars as output. Universal functions can be related to mathematical aspects… Read More »

Given an array A[] and an integer X. Find the number of unordered triplets (i, j, k) such that A[i] < A[j] < A[k] and… Read More »

Given an array A containing N positive integers, the task is to find the number of subarrays of this array such that in each subarray,… Read More »

Given an array A consisting of N non-negative integers, the task is to choose an integer K such that the maximum of the xor values… Read More »

Given an array arr[] of size N and an integer K, the task is to print the array after moving all value equal to K… Read More »

We often use x += y instead of x = x + y. So, are they same or different? Let’s Find it here. Example 1:… Read More »

Given a Binary Tree, the task is to print all the Exponential Levels in the given Binary Tree. An Exponential Level is a level whose… Read More »

Given an array arr[] containing N integers, the task is to rearrange all the elements of array such that absolute difference between consecutive elements of… Read More »

Given an integer M which represents an array initially having numbers 1 to M. Also given is a Query array. For every query, search the… Read More »

Given an array arr[] of size N consisting of non-negative integers, the task is to find the number of non-empty subsets of the array such… Read More »

Traditional Marketing: Traditional marketing is old way of marketing Technique. It refers kind of promotion, advertisement, includes flyers, billboards, TV ads, radio ads, print advertisements,… Read More »

Given a Binary Search tree and an integer K, we have to split the tree into two Balanced Binary Search Tree, where BST-1 consists of… Read More »

Given an undirected graph and a set of vertices, we have to print all the non-reachable nodes from the given head node using a breadth-first… Read More »

Given an array arr of size N and Q queries of the form [L, R], the task is to find the number of divisors of… Read More »

DDoS stands for Distributed-Denial-of-Service. It is a cyber attack which is a subset of DoS attack and is known to be one of the most… Read More »