Vellore Institute of Technology (VIT) Placement Interview Questions

Round duration - 90 minutes
Round difficulty - Easy

2 Coding Questions and 20 MCQ's to be solved in 90 minutes. It was from 6 pm. The camera and screen-recorders were on. The mcq was on web, oops, dbms.

• Q1. Number of Islands II Problem Statement You have a 2D grid of dimensions 'N' rows by 'M' columns, initially filled with water. You are given 'Q' queries, where ...read more
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• Q2. Make Array Elements Equal Problem Statement Given an integer array, your objective is to change all elements to the same value, minimizing the cost. The cost o...read more
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Round duration - 70 minutes
Round difficulty - Medium

The interview started with the interviewer asking me about my projects and why and what I have used in them. Be very clear with all the technologies you have used in your project as the interviewer will ask you in-depth about it.
Explain Components, Modules and Services in Angular. What is a Recursive Stored Procedure?

• Q1. Sub Sort Problem Statement You are given an integer array ARR . Determine the length of the shortest contiguous subarray which, when sorted in ascending order,...read more
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• Q2. Minimum Operations Problem Statement You are given an array 'ARR' of size 'N' consisting of positive integers. Your task is to determine the minimum number of ...read more
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• Q3. Tower of Hanoi Problem Statement You have three rods numbered from 1 to 3, and 'N' disks initially stacked on the first rod in increasing order of their sizes ...read more
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• Q4. Can you explain the concepts of multithreading and semaphore in operating systems?
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Round duration - 30 minutes
Round difficulty - Easy

The interviewer was VP of Engineering at MakeMyTrip with more than 10 years of experience. He asked about the 4 Pillars of OOPS and we had an in-depth discussion with real-life applications for each of them.

• Q1. Square Root with Decimal Precision Problem Statement You are provided with two integers, 'N' and 'D'. Your objective is to determine the square root of the num...read more
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60 minutes. Questions related to OS, DBMS MCQs.

• Q1. Technical questions related to DSA.
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• Q1. General HR questions.
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2 DSA question one easy one medium

• Q1. Tech interview 1
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• Q2. Java concepts in deep
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• Q1. DSA question HashMap
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• Q1. Basic HR questions
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Round duration - 100 minutes
Round difficulty - Hard

The test had 3 parts:
1. Aptitude - 20 questions to be done in 25 minutes. (Medium level)
2. Technical MCQs - 25 questions to be done in 35 minutes. (Medium-Hard level) (HTML, JS, CSS, SQL)
3. Coding - 2 out of 3 questions to be done in 40 minutes. 20 minutes were allotted for each question. No switching between the codes was allowed. (1-easy, 2-medium in total)

• Q1. Count Set Bits Problem Statement Given a positive integer N , compute the total number of '1's in the binary representation of all numbers from 1 to N. Return ...read more
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• Q2. Smallest Number with Given Digit Product Given a positive integer 'N', find and return the smallest number 'M', such that the product of all the digits in 'M' ...read more
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Round duration - 45 minutes
Round difficulty - Medium

It was the first face-to-face technical round. The medium was ModernHire. There was only 1 member in the interview panel. This round tested me on C fundaments, Operating System basics, and problem-solving skills.
Questions asked:
What are the TRUNCATE, DELETE and DROP statements?
What are void elements in HTML?
Define multipart form data?
1. How does the C compiler works?
2. What are deadlocks and why does it happen?
3. How to resolve deadlock?
4. What is a kernel?
5. How to dynamically allocate memory in C?
6. What is makefile?
7. What is multi-threading and why is it useful?
8. What is the need for synchronization in OS?
9. How do you run a program of 10 GB using 2 GB memory?
10. What are semaphores and mutex?
11. How is HashMap implemented?
12. Difference between linker and loader.
13. Importance of header files.
14. What is Dynamic binding?
15. What type of database should you use where transactions are involved?
16. Brief discussion on the Internship experience.

• Q1. Merge Sort Problem Statement You are given a sequence of numbers, ARR . Your task is to return a sorted sequence of ARR in non-descending order using the Merge...read more
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Round duration - 50 minutes
Round difficulty - Medium

This was a managerial cum technical round. I was asked to introduce myself (both technical details and hobbies). Then I was asked about my internship experiences and what I learnt from them. After that, he asked me questions about the projects mentioned in my resume. He tested my in-depth knowledge of the technologies that I used. He also asked me about the alternative solutions and the drawbacks of my solution.
After that, he asked me to speak about Operating Systems for 5 minutes without giving a pause. Then he asked me to speak about the OSI model and the TCP/IP model for the next 5-10 minutes again without giving a pause. He appreciated my perfomance and gave me a coding question.
What is User-defined function? What are its various types in SQL. What is an Alias in SQL?
Then he asked me whether I had any questions.

• Q1. Find a Node in Linked List Given a singly linked list of integers, your task is to implement a function that returns the index/position of an integer value 'N'...read more
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Round duration - 15 minutes
Round difficulty - Easy

Typical HR questions were asked in this round.

There were 2 coding questions that were to be done in 40 minutes. Toggling between the questions was NOT allowed and there was 20 minutes timer for each question. The codes were of easy-medium difficulty level. Also, 50 MCQs of core CSE topics were asked which were to be completed in 60 minutes. The difficulty level was high.
Sectional cutoffs was there to qualify for the next round. Time to completion was also taken into account.

• Q1. This round consisted of an in-depth discussion on C/Java, OS, and cloud computing. The discussion was also done on personal projects. The difficulty was of medi...read more
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• Q2. A coding question on merge sort was asked which had to be done in notepad.
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• Q1. This round consisted of an in-depth discussion on OS and computer networking questions. The discussion was also done on previous internship experiences. Also, s...read more
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• Q2. A coding question on linked list was asked which had to be done in notepad.
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• Q1. Normal HR questions were asked.
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Round 1 was conducted online on Doselect platform for a duration of 94 minutes. This round consists of 24 MCQs and 2 coding questions. MCQs are divided into 4 sections with 6 MCQs in each section. Each section need to be done in 6 minutes. Time allotted for both coding question are 25 minutes and 45 minutes.

• Q1. Search an element In a rotated sorted array.
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• Q2. Find minimum number of coins that make a given value using backtracking and dynamic programming both.
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• Q3. SQL query related to joins.
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• Q1. To write a program which can divide, multiply, subtract and add two fractional number and give solution in simplest fraction form. Every fractional number shoul...read more
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• Q2. Discussion related to projects done during college.
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• Q1. Discussion related to projects done during college.
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• Q2. Theoretical question related to DSA and Oops concept.
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• Q3. To write a program which will detect repeated word sequences.
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• Q1. Introduce yourself including your hobbies, projects, experiences and educations.
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• Q2. Why do you want to join Info edge ?
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• Q3. How will you contribute to Info Edge?
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• Q4. Do you have any question regarding Info Edge?
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Round duration - 120 minutes
Round difficulty - Easy

Round duration - 120 minutes
Round difficulty - Easy

• Q1. What is the difference between TRUNCATE and DELETE in a database management system?
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Round duration - 30 minutes
Round difficulty - Easy

• Q1. Triplets with Given Sum Problem Given an array or list ARR consisting of N integers, your task is to identify all distinct triplets within the array that sum u...read more
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Round duration - 5 minutes
Round difficulty - Easy

Rest API Development

Simple DSA and Programming Knowledge

• Q1. Relocation Details
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• Q1. Technical skills
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• Q2. What are the major techstack u know?
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