Tata consultancy services Ltd interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Tata consultancy services Ltd
2 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 5 Months
Topics: Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming
Tip 1 : Work on Competitive Programming skills. That is one thing most companies look out for during hiring. Solve at least 100
questions from every topic.
Tip 2 : You should have at least 2 good projects on your resume. Only write the things that you are completely sure of.
Tip 3 : Work on CS fundamentals as well like -OOPS, OS, and DBMS. There will be MCQ questions from this in the coding round as well as in the 1:1 round
Application process
Where: Campus
Eligibility: Above 7 CGPA
Tip 1 : Need at least 2 good projects on the resume. Write a short 2-3 lines summary of the project and the tech stack
used.
Tip 2 : Resume should be 1 page only. Try to keep the Resume short with useful information only.
Tip 3 : Your Resume should clearly mention the skillset you have. Companies sometimes filter out Resume based on
skillset only
Interview rounds
01
Round
Easy
Face to Face
Duration45 Minutes
Interview date15 Jan 2022
Coding problem2
1. Check Palindrome
Easy
0/40
Asked in companies
You're given an alphabetical string ‘S’.
Determine whether it is palindrome or not. A palindrome is a string that is equal to itself upon reversing it.
For example:
‘S’ = racecar
The reverse of ‘S’ is: racecar
Since ‘S’ is equal to its reverse. So ‘S’ is a palindrome.
Hence output will be 1.
Problem approach
You are given a string 'S'. Your task is to check whether the string is palindrome or not. For checking palindrome, consider alphabets and numbers only and ignore the symbols and whitespaces.
2. Merge Two Sorted Linked Lists
Moderate
15m average time
80% success
0/80
Asked in companies
You are given two sorted linked lists. You have to merge them to produce a combined sorted linked list. You need to return the head of the final linked list.
Note:
The given linked lists may or may not be null.
For example:
If the first list is: 1 -> 4 -> 5 -> NULL and the second list is: 2 -> 3 -> 5 -> NULL
The final list would be: 1 -> 2 -> 3 -> 4 -> 5 -> 5 -> NULL
Problem approach
You are given two sorted linked lists. You have to merge them to produce a combined sorted linked list. You need to return the head of the final linked list.
02
Round
Easy
HR Round
Duration45 minutes
Interview date16 Jan 2022
Coding problem1
1. Basic HR Questions
Can you describe your time management skills?
What’s your absenteeism record like?
Can I trust you with responsibilities?
Problem approach
Tip 1 : I gave honest answer to this as I knew that in this serious condition company would take care of it's employees.
Tip 2 : So I told them that if my project requires me to be there, then I will be there.
Tip 3 : For the world wide based client I said that I am ok in working at night.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
Which SQL clause is used to specify the conditions in a query?
Choose another skill to practice
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