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Infosys System Engineer Specialist Interview Questions, Process, and Tips
Top Infosys System Engineer Specialist Interview Questions and Answers
- Q1. Glowing Bulbs Problem Statement You have an infinite number of electric bulbs, each assigned a unique integer starting from 1. There are 'N' switches, each labeled with ...read more
- Q2. Flip Bits Problem Explanation Given an array of integers ARR of size N , consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to retur ...read more
- Q3. Rotting Oranges Problem Statement You are given a grid containing oranges where each cell of the grid can contain one of the three integer values: 0 - representing an em ...read more
Infosys System Engineer Specialist Interview Experiences
12 interviews found
Anonymous
I was interviewed in Apr 2021.
(2 Questions)
Round duration - 90 Minutes
Round difficulty - Medium
- Q1.
Space Survival Game Challenge
Ninja is in space with unlimited fuel in his super spaceship. He starts with a health level
Hand his spaceship has an armourA. Ninja can be on only one of the three planets... - Q2.
Rat in a Maze Problem Statement
You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...
(2 Questions)
Round duration - 90 Minutes
Round difficulty - Medium
- Q1.
M-Coloring Problem Statement
Given an undirected graph as an adjacency matrix and an integer
M, determine whether you can color the vertices of the graph using at mostMcolors such that no two adjacent v... - Q2.
Shortest Path in an Unweighted Graph
The city of Ninjaland is represented as an unweighted graph with houses and roads. There are 'N' houses numbered 1 to 'N', connected by 'M' bidirectional roads. A road...
Interview Preparation Tips
Tip 1 : Solve competitive programming questions regularly.
Tip 2 : Work on some live projects
Tip 1 : Have some good skills
Tip 2 : Show some live projects
Skills evaluated in this interview
I was interviewed in Mar 2021.
(3 Questions)
Round duration - 180 Minutes
Round difficulty - Medium
Round 1 - Coding Contest on HackerEarth (Elimination round)
Number of questions - 3 ( Level - leetcode Medium)
- Q1.
Palindrome Partitioning Problem Statement
You are given a string
S. Your task is to partitionSsuch that every substring of the partition is a palindrome. Your objective is to return all possible palindr... - Q2.
Rearrange the Array Problem Statement
You are given an array/list
NUMof integers. Your task is to rearrange the elements ofNUMsuch that no two adjacent elements are the same, or determine if it is not ... - Q3.
Ways To Make Coin Change
Given an infinite supply of coins of varying denominations, determine the total number of ways to make change for a specified value using these coins. If it's not possible to make...
Interview Preparation Tips
Tip 1 : Try to cover all the most asked interview questions for each topic
Tip 2 : Read previous year interview experiences
Tip 3 : Focus on your communication skills
Tip 1 : Keep your resume of 1 page
Tip 2 : Mention 2-3 descent projects
Skills evaluated in this interview
I was interviewed in Feb 2021.
(1 Question)
Round duration - 90 minutes
Round difficulty - Medium
first round was mcq based on aptitude,dbms and output based questions
- Q1. DBMS
theory questions and SQL
(1 Question)
Round duration - 90 minutes
Round difficulty - Medium
it was coding as well as mcq round
- Q1.
Reset Matrix Problem Statement
Given a 2D array
ARRwith 'N' rows and 'M' columns, where each element is either 0 or 1, your task is to transform this matrix into a 'Good' matrix. A 'Good' matrix is one i...
Round duration - 15 minutes
Round difficulty - Easy
(1 Question)
Round duration - 180 minutes
Round difficulty - Easy
- Q1.
Print Diagonal Elements of a 2D Matrix
Given a 2D matrix, your task is to create and return a 2D vector that contains all elements of the matrix arranged in a diagonal fashion.
Input:
The first line con...
Round duration - 25 minutes
Round difficulty - Easy
It was in the late afternoon since it was virtual location and environment didn't affected that much, interviewer was very friendly he asked how my day went and then went on starting with my introduction.
Interview Preparation Tips
Tip 1 : Make at-least 2-3 projects and know those projects inside out, need to have complete understanding of how the project works and how things are working inside project
Tip 2 : Practice DSA at-least 200 questions.
Tip 3 : Practice aptitude and reasoning questions.
Tip 1: Don't write anything fake in resume
Tip 2: Don't make resume too lengthy.
Tip 3: Have some projects on resume.
Skills evaluated in this interview
I was interviewed in Jan 2021.
(2 Questions)
Round duration - 180 Minutes
Round difficulty - Medium
This round consists of objective and hands-on questions that are needed to be answered within 3 hours. You have to score 65% or above in this round to be eligible for a job interview at Infosys.
- Q1.
Distinct Strings With Odd and Even Swapping Allowed Problem Statement
You are provided with an array of strings, and your objective is to determine the number of unique strings within it.
A string is deeme...
- Q2.
Ninja Technique Problem Statement
Implement a function that determines whether a given numeric string contains any substring whose integer value equals the product of two consecutive integers. The functio...
(2 Questions)
Round duration - 180 Minutes
Round difficulty - Hard
This exam has 3 coding Questions – Easy( 50 points), Medium (75 points), Hard (100 points), total 225 points, and the points are assigned according to the number of test cases you pass
- Q1.
Flip Bits Problem Explanation
Given an array of integers
ARRof size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b... - Q2.
Glowing Bulbs Problem Statement
You have an infinite number of electric bulbs, each assigned a unique integer starting from 1. There are 'N' switches, each labeled with a unique prime number. When a switc...
Round duration - 45 Minutes
Round difficulty - Medium
Basic Introduction and detailed discussion on the projects, after that i was given some basic coding problems and after that some discussion on Oops and detailed discussion on Database,
Interviewer was cool and being supportive so overall it was a good experience.
Interview Preparation Tips
Tip 1 : Never answer any question that you do not know, try to answer as precisely as you can
Tip 2 : Prepare your resume, they can any thing from that and you can't deny that you don't know
Tip 3 : Projects increase your chances so prepare atleast two
Tip 1 : Be honest, make sure what are you mentioning on it, one false information can leads to disqualification
Tip 2 : Projects are mandatory, basically it reflects your practical skills so focus on this part.
Tip 3 : Any experience like an internship would be appreciated.
Skills evaluated in this interview
Infosys interview questions for designations
I was interviewed in Oct 2020.
(1 Question)
Round duration - 180 minutes
Round difficulty - Easy
Timing :- They conducted test in day time on weekends.
Problems :- Round consist of 3 coding problems.
Environment :- Test was web proctored.
Other :- Only 1 problem is needed to clear this round.
- Q1.
Prime Time Again Problem Statement
You are given two integers
DAY_HOURSandPARTS. Consider a day withDAY_HOURShours, which can be divided intoPARTSequal parts. Your task is to determine the total ins...
(1 Question)
Round duration - 180 minutes
Round difficulty - Medium
Timing :- 10 a.m. - 1 p.m. ( 3 hours )
Problems :- 3 coding problems were in this round ( Easy, Medium, Hard ) basis. You can not check the submission results in this round. So, can't be sure whether solution you submitted is correct or not. PPI oppurtunity for roles in infosys (SE, SES, Power Programmer) were based on this round.
- Q1.
Rotting Oranges Problem Statement
You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:
- 0 - representing an empty cell
- 1 - representing a fre...
(1 Question)
Round duration - 50 minutes
Round difficulty - Medium
After getting the PPI offer from Infosys and waiting for long 2 months. On 12th October my interview was scheduled, it was a 1 hour interview 12 noon - 1 p.m. Interview was conducted on Infosys Meridian ( Infosys Own Platform ). A meeting id was provided in mail, and we can not join before interviewer. HR contact number was provided in mail.
Interview begin :-
Interviewer :- Good afternoon, So tell me something about your family forget about your acdemics now. ( He was trying to make me comfortable ).
Me :- Told about my family, what they are doing and something about myself.
Interviewer :- You are from electrical, then why you preferred coding instead of going Navratna Electrical companies ( Bhel, NTPC)
Me :- I started coding from 2nd year and i found myself more interested in this. So, i just followed my passion.
Interviewer :- In which programming language are you comfortable ?
Me :- C++
Interviewer :- Why?
Me :- Because its faster than Java and Python and easy to implement. And i take part in competitive programming contest on Codechef, Codeforces so, C++ consists of Standard Template Library which is beneficial.
Interviewer:- What is this pointer?
Me:- This pointer represents to the current object in a class.
Then he asked few more question on C++ ( difference between call be value and call be reference, namespace, some C++ libraries)
Interviewer:- In which CSE topics are you comfortable?
Me:- DS and Algo, OOPS
Interviewer:- Can you write some queries?
Me:- I practised one day before few SQL queries but i was not confident. So, dont want to give a try I answered "No sir".
Interviewer:- What is flux?
Me:- Magnetic flux passing through a unit area.
Then he start asking few more question form electrical core. I was not able to answer. I said him I am not good in electrical core. I am more interested to solve any DS/Algo question.
Interviewer:- Make a doubly linked list of 5 elements and apply merge sort on it. He asked me to share the screen and open any of my favourite online editor.
Me:- I coded on Codechef-IDE. First dicuss the logic with him and then coded witn explaining him each line. Th code run successfully and Interviwer seems to satisfy.
Then, he pasted a piece of code in Python in a doc sheet and send me. He asked me to solve that problem. It was based on concepts of OOPS. Consisting of 3 classes and relation of Inheritance, Copy constructor, Parameterised Constructor was there in that problem. I step by step solve that problem and gave final output to interviewer. Interviewer was satisfied with output and said it was correct.
Interviewer:- I am done with interviewer. I check your coding knowledge. Do you have any questions for me?
Me:- Asked about training process in infosys.
Verdict:- Selected
- Q1.
MergeSort Linked List Problem Statement
Sort a given singly linked list of integers using the 'Merge Sort' algorithm.
Input:
The first and only line of input contains the elements of the linked list sep...
Interview Preparation Tips
Tip 1 : Go through your resume properly and mention only those points in which you are comfortable to answer.
Tip 2 : Prepare interview question on any one programming language properly
Tip 3 : Be prepared with any one of your project ( if done )
Tip 1 : Have at least one project or experience in your resume.
Tip 2 : Do not put false things on your resume.
Skills evaluated in this interview
Get interview-ready with Top Infosys Interview Questions
Interview Questionnaire
3 Questions
- Q1. What are ACID properties?
- Ans.
ACID properties are a set of properties that ensure database transactions are processed reliably.
ACID stands for Atomicity, Consistency, Isolation, and Durability.
Atomicity ensures that a transaction is treated as a single, indivisible unit of work.
Consistency ensures that a transaction brings the database from one valid state to another.
Isolation ensures that concurrent transactions do not interfere with each other.
Du...
- Q2. Thrashing in OS?
- Ans.
Thrashing is a phenomenon in OS where excessive paging occurs, leading to a decrease in system performance.
Occurs when the system is overcommitted with too many processes or tasks
Causes excessive swapping of pages between RAM and disk
Can be resolved by adding more RAM or reducing the number of processes
Can be identified by monitoring page fault rates
- Q3. What are NOSQL databases?
- Ans.
NOSQL databases are non-relational databases that store and retrieve data in a flexible and scalable manner.
NOSQL stands for 'Not Only SQL'
They are designed to handle large volumes of unstructured or semi-structured data
They offer high scalability and availability
Examples include MongoDB, Cassandra, and Couchbase
Skills evaluated in this interview
I was interviewed in Nov 2020.
Interview Questionnaire
3 Questions
- Q1. Questions aroud CS Funfamentals and basic programming questions.
- Q2. Write a program to check if a number is a palindrome or not.
- Ans.
Program to check if a number is a palindrome or not.
Convert the number to a string
Reverse the string
Compare the reversed string with the original string
If they are the same, the number is a palindrome
- Q3. Find the sum of all the even numbers in an array
- Ans.
Sum of even numbers in an array
Loop through the array and check if each element is even
If even, add it to a running sum
Return the sum
Interview Preparation Tips
Speak out loud what you are thinking while coding.
Good Luck!
Skills evaluated in this interview
Saral Education by Viomesh Singh
I applied via Company Website and was interviewed before Dec 2019. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions were on Dbms, Data structures, final year project, etc
Interview Preparation Tips
Interviewer knows much more than you.
Don't argue and if you don't know the answer simply say that you don't know
I applied via Company Website and was interviewed before Dec 2019. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. There were questions on Dbms, final year project, Data structures.
Interview Preparation Tips
Answer only those questions in which you think you are confident.
If you don't know the answer simply tell him/her that you don't know.
Foe more information ping me on LinkedIn- Apoorva Agnihotri
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Infosys System Engineer Specialist Interview Process
based on 1 interview
2 Interview rounds
- Coding Test Round - 1
- Coding Test Round - 2
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Infosys System Engineer Specialist Reviews and Ratings
based on 8 reviews
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