Tata Consultancy Services (TCS) interview experience Real time questions & tips from candidates to crack your interview
Assistant System Engineer
Tata Consultancy Services (TCS)
2 rounds | 2 Coding
problems
Selected Interview preparation journey
Journey
I started my preparation from my 3rd year of graduation , I have never focussed on a particular company in the initial days, as I have heard from my seniors that the recruiters always look for candidates who have their basics clear. I started with studying core subjects of my branch , kept making notes which helped me in revision of topics when the interview dates were near.
Application story
TCS was day 1 company and since everyone knows it is like any other mass recruiter company , many people have hopes , there were massive applicants.
Why selected/rejected for the role?
For a fresher, the companies look for a person with learning mindset , they tested the basic knowledge and felt I possess the skills and can fit their culture , hence I was selected.
Preparation
Duration: 6
Topics: Database Management system , Object Oriented programming, Data structures, Final Year Project, Operating Systems
Tip 1 : Study your core subjects thoroughly.
Tip 2 : Explanation must be good during your interview.
Tip 3 : Give logical answers instead of guessing anything.
Application process
Where: Campus
Eligibility: No criteria
Tip 1: Mention topics which you are good at.
Tip 2: Projects are very important as it tells that the candidate has gained some hands on knowledge in his/her field.
Interview rounds
01
Round
Easy
Online Coding Interview
Duration60
Interview date25 Oct 2020
Coding problem1
1. HCF or GCD of 2 Numbers
Hard
35m average time
55% success
0/120
Asked in companies
Consider all numbers from 1 to ‘N’, your task is to find the sum of gcd of all pairs (i, j) such that 1 <= i < j <= N.
For example for N = 3, all pairs are { (1, 2), (1, 3), (2, 3) }.
Note :
Gcd of two numbers (X, Y) is defined as the largest integer that divides both ‘X’ and ‘Y’.
Problem approach
An efficient solution is to use Euclidean algorithm which is the main algorithm used for this purpose. The idea is, GCD of two numbers doesn’t change if smaller number is subtracted from a bigger number.
02
Round
Medium
Video Call
Duration30 minutes
Interview date20 Nov 2020
Coding problem1
1.
They asked to assume a situation where there is a lot of pressure related to work and there were so many people dependent on you to unblock them. How will you handle this situation
Problem approach
Tip 1: Be calm , take some time and then answer.
Tip 2: Be positive in your answer, don't panic even if you are not able to answer , tell them that You would like to learn more on this.
Tip 3: Elaborate all your answers and try to deliver to the point.
Here's your problem of the day 
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Skill covered: Programming
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