Software Engineer Tata Consultancy Services (TCS) interview experience

Interview rounds

Round

Easy

Online Coding Interview

Duration180 minutes

Interview date2 Aug 2020

Coding problem2

This round had mcqs on aptitude, core subjects and some coding.

1. Second largest element in the array

Easy

15m average time

80% success

0/40

Asked in companies

You have been given an array/list 'ARR' of integers. Your task is to find the second largest element present in the 'ARR'.

Note:

a) Duplicate elements may be present.

b) If no such element is present return -1.

Example:

Input: Given a sequence of five numbers 2, 4, 5, 6, 8.

Output:  6

Explanation:
In the given sequence of numbers, number 8 is the largest element, followed by number 6 which is the second-largest element. Hence we return number 6 which is the second-largest element in the sequence.

Problem approach

sort and get 2nd element

Try solving now

2. Square Root

Easy

15m average time

80% success

0/40

Asked in companies

You are given a positive integer ‘n’.

Your task is to find and return its square root. If ‘n’ is not a perfect square, then return the floor value of sqrt(n).

Example:

Input: ‘n’ = 7

Output: 2

Explanation:
The square root of the number 7 lies between 2 and 3, so the floor value is 2.

Problem approach

use predefined syntax to print the result upto 2 decimal only

Try solving now

Round

Easy

Video Call

Duration90 minutes

Interview date3 Sep 2021

Coding problem1

It was a tech+hr round. Asked me some puzzles. Introduction. Why tcs? Where do you see yourself in 5 years?. Define oops concepts. What is rdbms? What is primary key?