Tata Consultancy Services (TCS) interview experience Real time questions & tips from candidates to crack your interview
System Engineer
Tata Consultancy Services (TCS)
2 rounds | 2 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 3 Months
Topics: Data Structures, Algorithms, OOPS, Networking, C++ Programming Language
Tip 1 : First make command on theory subjects
Tip 2 : Start learning One programming language and then make command with DSA
Tip 3 : Project is very important for Interview perspective
Application process
Where: Campus
Eligibility: Above 65%
Tip 1 : Make it short and precise
Tip 2 : Only one pager
Interview rounds
01
Round
Medium
Online Coding Interview
Duration120 Minutes
Interview date15 Nov 2020
Coding problem1
1. Count Number of Subsequences
Moderate
15m average time
85% success
0/80
Asked in companies
Given an array of non-negative integers ‘A’ and an integer ‘P’, find the total number of subsequences of ‘A’ such that the product of any subsequence should not be more than ‘P’.
A subsequence is a sequence that can be derived from another sequence by deleting some or no elements without changing the order of the remaining elements.
Note
You need to print your answer modulo 10^9 + 7.
For Example
Let us take A = [1,2,3] and P = 4.
All the subsequences not having product more than ‘4’ are {1}, {2}, {3}, {1,2}, {1,3}. Therefore count is equal to ‘5’.
02
Round
Easy
Video Call
Duration30 Minutes
Interview date15 Dec 2020
Coding problem1
1. Technical Questions
What is indexing?
Keys in dbms.
What are threads and process?
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Skill covered: Programming
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