LTI - Larsen & Toubro Infotech interview experience Real time questions & tips from candidates to crack your interview

Software Engineer

LTI - Larsen & Toubro Infotech
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4 rounds | 8 Coding problems

Interview preparation journey

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Journey
I taken admission in IIIM jaipur. I have learnt about cloud computing and asp.net web forms because I want to become a developer. In my last semester, I selected at dotsquares as Asp.net developer. For selecting at LTI I uploaded my resume at naukari.com and I received an call from LTI side. There are 4 rounds included one client and one hr. So there are total 3 technical round. First 2 is taken by LTI developer and last 3rd is taken by client. After cleared all the technical rounds, the last round was HR and after that I received offer letter.
Application story
I uploaded my resume on naukari.com. I received an call from LTI side. As I already mentioned, there are total 4 rounds included 3 technical and 1 HR. For some candidates they will taken only 3 rounds including hr. Once you cleared first round, you was received information about next round of interview.
Why selected/rejected for the role?
Before selected at LTI, I gave interview around 12-13 organisation and I selected around 10. After I gave interview in LTI and I have very good preparation because I gave many interviews and selected around 10 companies so my confidence was also good. So after one by one I cleared all the technical rounds.
Preparation
Duration: 2 months
Topics: OOPS, SQL, Javascript and jQuery, C#, MVC
Tip
Tip

Tip 1 : Practice SQL queries
Tip 2 : Practice Array and String program 
Tip 3 : You have necessary to mentioned project in your resume and proper knowledge about project.

Application process
Where: Naukri
Eligibility: 60% in Graduation
Resume Tip
Resume tip

Tip 1 : Mention your technical skills in details 
Tip 2 : Mention project in resume

Interview rounds

01
Round
Medium
Video Call
Duration60 minutes
Interview date23 Aug 2022
Coding problem2

Interview was scheduled in afternoon time.
It was video call interview and there were 2 developer who asked the questions.

1. Sort Array

Moderate
15m average time
85% success
0/80
Asked in companies
HSBCHCL TechnologiesOYO

You are given an array consisting of 'N' positive integers where each integer is either 0 or 1 or 2. Your task is to sort the given array in non-decreasing order.

Note :
1. The array consists of only 3 distinct integers 0, 1, 2.
2. The array is non-empty.
Problem approach

I need to sort array element in asc order without using sort() function.
For sorting an array without the “sort()” method, you can use:
Selection sort
Insertion sort
Bubble sort

Try solving now

2. Count Palindromic Subsequences

Hard
20m average time
80% success
0/120
Asked in company
BNY Mellon

A subsequence of a string is achieved by removing some (possibly 0) characters without changing the order of the remaining characters.


You have been given a string 's'.


Find the number of non-empty palindromic subsequences (not necessarily be distinct) in string 's' and return that number modulo 10 ^ 9 + 7.


Example :
Input: 's' = "pqqr"

Output: 5

Explanation: The subsequences are:

p

q

q

r

qq

Please note that both "q" are considered different.
Problem approach

The simplest method would be to find out all the substrings of the given string first which takes a time complexity of O(n2). After that, we cruise through all the substrings and find those which are palindromes. This further takes a time complexity of O(n).

Try solving now
02
Round
Medium
Group Discussion
Duration60 minutes
Interview date24 Aug 2022
Coding problem1

In afternoon
Interviewer was very decent.

1. Group Discussion

What are your views on the inrease in demand of Junk Food?

Do you think any legal action is needed for it or it is just over an individual's personal wish?

03
Round
Easy
Video Call
Duration50 minutes
Interview date29 Aug 2022
Coding problem4

In evening ( after 7pm)
Interviewers was a very cool person.

1. Azure Question

Have you ever created azure project or used any azure function? What do you know about Azure of AWS?

2. System Design

What is area in MVC architecture?

3. DBMS Question

What is the difference between temp table and temp variable?

What technology we have used in .net core for database connection?

4. Add Strings

Easy
0/40
Asked in companies
AppleOracleFacebook

You are given two non-negative integers, ‘NUM1’ and ‘NUM2’, in the form of strings. Return the sum of both strings.


Note :
You do not need to print anything, it has already been taken care of. Just implement the given function.
Example:
Let ‘NUM1’ be: “5”
Let ‘NUM2’ be: “21”
The sum of both numbers will be: “26”.
Problem approach

Scan each character of the input string and if a number is formed by consecutive characters of the string, then increment the result by that amount. The only tricky part of this question is that multiple consecutive digits are considered one number.

Try solving now
04
Round
Easy
HR Round
Duration30 minutes
Interview date30 Sep 2022
Coding problem1

In afternoon
Interviewer was friendly

1. Basic HR Questions

Introduce yourself.

Why should we hire you?

What do you know about LTI?

Where do you see yourself after 5 years?

Problem approach

Tip 1 : Search about what services company offers 
Tip 2 : Who is the company owner, and when the company was established.

Here's your problem of the day

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

Skill covered: Programming

How do you remove whitespace from the start of a string?

Choose another skill to practice
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