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

SDE - 1

Tata Consultancy Services (TCS)
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3 rounds | 6 Coding problems

Interview preparation journey

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Preparation
Duration: 2 months
Topics: OOPS, Database Management System, Data Structures and Algorithm, OS and Networking
Tip
Tip

Tip 1 : Polish your vocal skills.
Tip 2 : You should be aware about your project.

Application process
Where: Campus
Eligibility: 6 CGPA without any active backlogs
Resume Tip
Resume tip

Tip 1 : Have atleast 2 projects.
Tip 2 : Don't fake your skills

Interview rounds

01
Round
Medium
Online Coding Interview
Duration90 Minutes
Interview date22 Oct 2021
Coding problem3

1. Bubble Sort

Easy
10m average time
90% success
0/40
Asked in companies
OptumAccentureWells Fargo

Bubble Sort is one of the sorting algorithms that works by repeatedly swapping the adjacent elements of the array if they are not in sorted order.

You are given an unsorted array consisting of N non-negative integers. Your task is to sort the array in non-decreasing order using the Bubble Sort algorithm.

For Example:
Bubble Sort implementation for the given array:  {6,2,8,4,10} is shown below :-

Alt test

Problem approach

Went with a brute-force approach and solved then optimised it a bit.

Try solving now

2. DBMS Question

What is a list and a tuple ? What are the properties of tuple ?

3. Puzzle

At a restaurant, pizzas can be ordered in boxes of 6, 9, and 20. What is the highest number of Pizzas that cannot be bought with any combination of these boxes?

02
Round
Medium
Video Call
Duration15 minutes
Interview date30 Oct 2021
Coding problem2

1. Reverse the String

Easy
15m average time
85% success
0/40
Asked in companies
ThalesDeutsche BankPaytm (One97 Communications Limited)

You are given a string 'STR'. The string contains [a-z] [A-Z] [0-9] [special characters]. You have to find the reverse of the string.

For example:

 If the given string is: STR = "abcde". You have to print the string "edcba".
follow up:
Try to solve the problem in O(1) space complexity. 
Problem approach

There were two approaches, one with simple for loop and other by using two pointers.

Try solving now

2. Technical Question

What did you learn in your project on API ?

03
Round
Easy
HR Round
Duration20 minutes
Interview date5 Nov 2021
Coding problem1

1. Basic HR Questions

Are you a team player?

What makes you different from others?

Here's your problem of the day

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

Skill covered: Programming

To make an AI less repetitive in a long paragraph, you should increase:

Choose another skill to practice
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