Given an array of distinct integers(considering only positive numbers) and a number ‘m’, find the number of unordered triplets ((Ai, Aj, Ak) and (Aj, Ai,… Read More »
All Hard Articles
Segregation of negative and positive numbers in an array without using extra space, and maintaining insertion order and in O(n) time complexity. Examples: Input :9… Read More »
Recently, in July 2018, Citrix visited our campus as part of the campus recruitment drive for a CTC of 25 lpa for Software developer role.… Read More »
Given an array of N positive integers. The task is to perform the following operations according to the type of query given. 1. Print the… Read More »
I had my interview with Oyo rooms(Gurgaon) in June 2018. It consists of 5 rounds including a written and director round. Round 1: the first… Read More »
Round 1: First round was machine test that comprised 3 questions. Given an array of numbers in range (0 – 49) and queries having start… Read More »
There were two rounds in the selection process: Round 1: First round was an online test which consisted of 4 sections: Email Writing- 10 minutes Quantitative… Read More »
Microsoft recently visited our campus IIT ROORKEE. The selection process was as mentioned below. First round was an online coding round consisting of three questions… Read More »
Round 1: So this was the first tech round . When i entered the room he asked me to tell me about myself so i… Read More »
I had an interview Total 6 rounds it took 2days (daily 3-4 hours). HR who called me from Mumbai and asked directly for F2F. Round… Read More »
Round 1 (online): This round was conducted on Hackerrank. There were 10 MCQs(from DS, OS, DBMS) of 1 mark each and 2 coding questions of… Read More »
Round 1: (CODING ROUND 3 hr: 6 MCQ’s, 2 CODING QUESTIONS, PLATFORM: HACKEREARTH) Ques 1 -> Ordered Substrings You are given a string X.… Read More »
Round-1(Online test) The first online round was on Co-Cubes which comprised of 3 coding questions (Test Duration: 75 mins) :- Given a string, find the… Read More »
Given a 3*3 matrix, find the minimum number of changes that need to be made to it in order to turn it into a magic… Read More »
Internship Role: Summer Analyst Hi I’m Bharat Reddy from NIT-Calicut. It was the last week of July that we heard that GS will be coming… Read More »
We often come across 2D arrays where most of the part in the array is empty. Since space is a huge problem, we try different… Read More »
Don’t believe everything you see Project Title : HAWS – Homograph Attack Warning System If you belong to 21st Century, you may have probably seen… Read More »
Machine Coding Round: The test was conducted on Hackerrank platform. 90 minutes were allowed. There were 3 questions, 2 easy and 1 easy-medium. Around 250… Read More »
We have discussed Merge sort. How to modify the algorithm so that merge works in O(1) extra space and algorithm still works in O(n Log… Read More »
CodeNation visited our Campus for Hiring Summer Interns. The process was as follows: 1) Online Coding Round 3 questions based on Data Structures and Algorithms,… Read More »