Infosys private limited interview experience Real time questions & tips from candidates to crack your interview
Power Programmer
Infosys private limited
4 rounds | 5 Coding
problems
Selected Interview preparation journey
Journey
I started preparing for DSA since my first year, covering all the topics. I also worked on computer fundamental topics and completed some projects. In my third year of college, I came across an opportunity called Infytq, so I applied. After several rounds of interviews, I was selected for this role.
Application story
Infosys conducts Infytq every year. If you apply directly, you receive the test link, and the process begins. There are several rounds, including MCQs, multiple coding rounds, and then the final interview.
Why selected/rejected for the role?
Learning Java was very important, and then mastering Data Structures and Algorithms became crucial. I prepared them thoroughly, which is why I was able to clear the rounds.
Preparation
Duration: 6-8 months
Topics: Data Structures, Algorithms, DBMS, Computer Networks, OOPS
Tip 1: Prepare DSA well; try to cover all important topics.
Tip 2: Make 2 or 3 projects.
Tip 3: Be well-versed in computer fundamentals.
Application process
Where: Company Website
Eligibility: Make sure you have CGPA above 6.5
Tip 1: Include some good projects.
Tip 2: Only mention things that you have done.
Interview rounds
01
Round
Medium
Online Coding Interview
Duration30 minutes
Interview date1 Jan 2021
Coding problem0
There were 20-30 MCQs, and you had to solve around 20 of them correctly.
02
Round
Easy
Online Coding Test
Duration90 minutes
Interview date10 Feb 2021
Coding problem1
Two DSA questions were asked, and you had to solve them.
1. Pattern Printing Challenge
It was a pattern printing-based problem. If you know Java well, you will be able to solve it.
Problem approach
I used simple logics to print the pattern.
03
Round
Medium
Online Coding Test
Duration90 minutes
Interview date1 Mar 2021
Coding problem3
Three coding problems were asked, and based on how many questions you solve, you receive interview calls for different roles. For Power Programmer, it is recommended to solve at least 2 out of the 3 questions.
1. Puzzle
It was a mathematical puzzle type problem.
Problem approach
Tip 1: Make sure you know basic Math to solve the problem.
2. Coin Change
Moderate
20m average time
80% success
0/80
Asked in companies
You are given an infinite supply of coins of each of denominations D = {D0, D1, D2, D3, ...... Dn-1}. You need to figure out the total number of ways W, in which you can make a change for value V using coins of denominations from D. Print 0, if a change isn't possible.
Problem approach
I used a recursive method with memoization to solve it.
3. Binary Search Implementation Challenge
Easy
15m average time
85% success
0/40
Asked in companies
It was simple implementation based problem based on binary search.
Problem approach
I applied simple binary search to solve the problem.
04
Round
Easy
Video Call
Duration60 minutes
Interview date31 Mar 2021
Coding problem1
The interviewer was very experienced and grilled me about my projects and the things I have done in college.
1. Reverse a linked list
Moderate
30m average time
65% success
0/80
Asked in companies
Ninjas is practicing problems on the linked list. He came across a problem in which he has given a linked list of ‘N’ nodes and two integers, ‘LOW’ and ‘HIGH’. He has to return the linked list ‘HEAD’ after reversing the nodes between ‘LOW’ and ‘HIGH’, including the nodes at positions ‘LOW’ and ‘HIGH’.
Problem approach
This is a simple question, you can linearly reverse a linked list by simple pointer manipulation.
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