Infosys private limited interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Infosys private limited
3 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 6 months
Topics: Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming
Tip 1 : Make sure to solve the most recommended problems of LeetCode. Around 200 will do
Tip 2 : Be confident with your basics of chapters from Operating Systems and DBMS or SQL Queries.
Tip 3 : Have a slight knowledge of system designing concepts.
Application process
Where: Campus
Eligibility: , No criteria
Tip 1 : Make your Resume such that it is properly readable. Keep it of one page. If it exceeds try your best to include only the most important highlights.
Tip 2 : Put your most important achievements at the top and after than the not so important ones. You want the interviewer to see them first.
Interview rounds
01
Round
Medium
Face to Face
Duration90 minutes
Interview date14 Dec 2022
Coding problem1
- Morning time
- Environment was good.
- No
- Interviewer was good
1. Minimum operation needed to convert to the given string
Moderate
26m average time
0/80
Asked in companies
You are given two strings 'str1' and 'str2'. Find the minimum operations required to convert str1 into str2.
An Operation is defined as:
A character from an index of a string(str1) is put at the end of it, is defined as a single operation.
Note :
You cannot perform any operation on the string, str2.
Problem approach
s1- Two strings 'str1' and 'str2, minimum operations required to convert str1 into str2.
s2- Character from an index of a string(str1) is put at the end of it, is defined as a single operation.
s3- Merge both the strings & apply merge sort Algorithm.
02
Round
Easy
Video Call
Duration40 min
Interview date15 Dec 2022
Coding problem1
- Morning time
- Environment was good.
- No
- Interviewer was good
1. Cycle Detection in a Singly Linked List
Moderate
15m average time
80% success
0/80
Asked in companies
You are given a Singly Linked List of integers. Return true if it has a cycle, else return false.
A cycle occurs when a node's next points back to a previous node in the list.
Example:
In the given linked list, there is a cycle, hence we return true.
Problem approach
s1- I told him about two approaches – using a set of Nodes and using Floyd’s Cycle Detection Algorithm but ended but coding only the former approach.
03
Round
Hard
Assignment
Duration90 minutes
Interview date22 Dec 2022
Coding problem1
1. Technical question
Need to make a fully functional Prototype of Microsoft Teams Clone by adapting to Agile methodologies.
Problem approach
My Approach
Tip 1: Try to attend all the Sessions and AMAs and 1:1 with Mentors. Inform about the Progress and seek help wherever needed. Do ask for any resources to learn and start if you're a beginner.
Tip 2: Try to learn more than just implementing or copying the code from Stackoverflow/New York.
Tip 3: Make a good Demo Video and Presentation. Try to keep the UI/UX of the Application simple, if possible deploy the app.
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Skill covered: Programming
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