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Tata Consultancy Services (TCS) interview experience Real time questions & tips from candidates to crack your interview

System Engineer

Tata Consultancy Services (TCS)
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3 rounds | 5 Coding problems

Interview preparation journey

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Journey
My life has had many ups and downs, but I somewhat managed to get admission to the college where I took computer science as a subject. Then my coding journey started from here.
Application story
I applied for the TCS on there official portal for job application . .
Why selected/rejected for the role?
I was selected because i was applied to give good solutions for the problem asked of me during the internship period
Preparation
Duration: 3 months
Topics: OOPS, core java, DBMS, SQL & PL/SQL, Data Structures and Algorithms, UI (HTML, JS), SDLC, Java 8 concepts, UML diagrams, Collections, Multithreading, Exception Handling, Hashing, Recursion problems.
Tip
Tip

Tip 1 : Practice more problem solving questions
Tip 2 : understand the comcepts in depth
Tip 3 : try to work on onw or two handson project to get more experience in that stack.

Application process
Where: Company Website
Eligibility: Above 7 CGPA
Resume Tip
Resume tip

Tip 1 : Have some projects on resume.
Tip 2 : Do not put false things on resume.

Interview rounds

01
Round
Easy
Video Call
Duration45 minutes
Interview date6 Jan 2023
Coding problem2

1. Reverse Words In A String

Easy
10m average time
90% success
0/40
Asked in companies
Paytm (One97 Communications Limited)FacebookApple

You are given a string 'str' of length 'N'.


Your task is to reverse the original string word by word.


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Problem approach

You are given a string of length N. You need to reverse the string word by word. There can be multiple spaces between two words and there can be leading or trailing spaces but in the output reversed string you need to put a single space between two words, and your reversed string should not contain leading or trailing spaces.

Try solving now

2. Missing Number

Moderate
30m average time
70% success
0/80
Asked in companies
FacebookAppleAmazon

You are given an array/list ‘BINARYNUMS’ that consists of ‘N’ distinct strings which represent all integers from 0 ...

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Problem approach

How to find the missing number in a given integer array of 1 to 100?

Try solving now
02
Round
Easy
Video Call
Duration45
Interview date6 Jan 2023
Coding problem2

1. Find Pairs

Easy
18m average time
75% success
0/40
Asked in companies
Goldman SachsMyntraBank Of America

We are given a sorted doubly-linked list which contains distinct positive integers, and an integer ‘X’. Print all such unique pairs from the given list so that their sum is equal to ‘X’.

Problem approach

We are given a sorted doubly-linked list which contains distinct positive integers, and an integer ‘X’. Print all such unique pairs from the given list so that their sum is equal to ‘X’.

Try solving now

2. Container with most water

Moderate
15m average time
90% success
0/80
Asked in companies
FlipkartAmazonSAP Labs
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Problem approach

Given a sequence of ‘N’ space-separated non-negative integers A[1],A[2],A[3],......A[i]…...A[n]. Where each number of the sequence represents the height of the line drawn at point 'i'. Hence on the cartesian plane, each line is drawn from coordinate ('i',0) to coordinate ('i', 'A[i]'), here ‘i’ ranges from 1 to ‘N’. Find two lines, which, together with the x-axis forms a container, such that th...

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Try solving now
03
Round
Easy
HR Round
Duration30 minutes
Interview date6 Jan 2023
Coding problem1

1. Basic HR Questions

Why should we hire you?

Assuming you are hired, then how long would you expect to work for us?

What are your achievements in life?

Problem approach

As a Candidate, I need a platform to prove my ability. If I will be a part of your company, I'll put my effort and strength to uplift your company. None is born with experience, and if you hire me, I will get professional experience through your company."
I will work with the company as long as my presence benefits the company and I get ample opportunity to grow and develop both professional...

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Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Is method overloading possible by changing the return type?

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