Tata Consultancy Services (TCS) interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Tata Consultancy Services (TCS)
2 rounds | 2 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 3 Months
Topics: Data Structures,OOPS, Algorithms, Dynamic Programming, DBMS
Tip 1 : Learn currently used tech stack
Tip 2 : Practice DS and Algo
Tip 3 : Do 2 projects and upload them on github
Application process
Where: Campus
Eligibility: 7 cgpa
Tip 1 : Write only what is relevant
Tip 2 : Be confident on what you have written
Interview rounds
01
Round
Easy
Online Coding Interview
Duration60 minutes
Interview date3 Sep 2020
Coding problem1
During the day, 60 minutes, online
1. Merge Two Sorted Arrays
Moderate
15m average time
85% success
0/80
Asked in companies
Ninja has been given two sorted integer arrays/lists ‘ARR1’ and ‘ARR2’ of size ‘M’ and ‘N’. Ninja has to merge these sorted arrays/lists into ‘ARR1’ as one sorted array. You may have to assume that ‘ARR1’ has a size equal to ‘M’ + ‘N’ such that ‘ARR1’ has enough space to add all the elements of ‘ARR2’ in ‘ARR1’.
For example:
‘ARR1’ = [3 6 9 0 0]
‘ARR2’ = [4 10]
After merging the ‘ARR1’ and ‘ARR2’ in ‘ARR1’.
‘ARR1’ = [3 4 6 9 10]
Problem approach
Standard question, solved using 2 pointer approach
02
Round
Easy
Video Call
Duration60 minutes
Interview date1 Dec 2020
Coding problem1
Online, during the day, interviewer was a senior person
1. Two Sum
Easy
10m average time
90% success
0/40
Asked in companies
You are given an array of integers 'ARR' of length 'N' and an integer Target. Your task is to return all pairs of elements such that they add up to Target.
Note:
We cannot use the element at a given index twice.
Follow Up:
Try to do this problem in O(N) time complexity.
Problem approach
Using two pointers
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Skill covered: Programming
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