LTI - Larsen & Toubro Infotech interview experience Real time questions & tips from candidates to crack your interview
Software Engineer
LTI - Larsen & Toubro Infotech
5 rounds | 5 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 6 Months
Topics: Java Programming , DBMS ,OOPS Concepts ,Data Structures ,Computer Networks
Tip 1 : Prepare the basics of any Programming Language and Prepare OOPs concepts in detail with real life Scenarios
Tip 2 : You should be familiar in writing code on Paper ,So practice
Tip 3 : you should be well prepare your Computer subjects like DBMS ,Networks ,Operating Systems
Application process
Where: Campus
Eligibility: above 70%
Tip 1 : Should mention Internship Experience
Tip 2 : Should elaborate the Projects and the Tech stack you worked on
Interview rounds
01
Round
Medium
Online Coding Interview
Duration60 Minutes
Interview date11 Sep 2017
Coding problem1
In afternoon ,In This round there are aptitude questions and MCQs on Java concepts ,DBMS ,OOPs and 1 Coding question
1. DBMS Question
what is Normalization
Problem approach
Tip 1 : Just familiar with Basics
02
Round
Medium
Group Discussion
Duration30 Minutes
Interview date11 Sep 2017
Coding problem0
Just be confident on the Topic
03
Round
Medium
Face to Face
Duration30 Minutes
Interview date11 Sep 2017
Coding problem2
Night
1. Reverse Linked List
Moderate
15m average time
85% success
0/80
Asked in companies
Given a singly linked list of integers. Your task is to return the head of the reversed linked list.
For example:
The given linked list is 1 -> 2 -> 3 -> 4-> NULL. Then the reverse linked list is 4 -> 3 -> 2 -> 1 -> NULL and the head of the reversed linked list will be 4.
Follow Up :
Can you solve this problem in O(N) time and O(1) space complexity?
Problem approach
Tip 1:Initialize three pointers prev as NULL, curr as head and next as NULL.
Iterate through the linked list. In loop, do following.
// Before changing next of current,
// store next node
next = curr->next
// Now change next of current
// This is where actual reversing happens
curr->next = prev
// Move prev and curr one step forward
prev = curr
curr = next
2. OOPS Questions
oops concepts with real life scenarios low level design
04
Round
Medium
Face to Face
Duration30 Minutes
Interview date11 Sep 2017
Coding problem1
DBMS
1. DBMS Question
If you have been asked to JOIN tables, try to find a column that exists in each of the tables. In this example, it is the department_id column.
Problem approach
Tip 1 : SELECT *
FROM employees
JOIN departments
ON employees.department_id = departments.department_id;
Tip 2:
Tip 3:
05
Round
Easy
HR Round
Duration15 Minutes
Interview date12 Sep 2017
Coding problem1
They asked the few technical question
1. Networking Question
They asked the OSI layer of Computer Networks
Problem approach
Tip 1 : They mainly check your english Fluency, Willing to relocate and your behavior and how you can contribute to the company
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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