Freshworks interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Freshworks
3 rounds | 7 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 3 Months
Topics: Computer Science Fundamentals, Data Structures & Algorithms, OOPS, System Design, Dynamic Programming, DataBase - Mysql
Tip 1 : Focus more CS Fundamentals and understand the foundation concepts
Tip 2 : Practice lots of Competitive Programming Problems and improve your problem solving skill
Tip 3 : Focus on development, try building a complete application and update your resume with minimum of 2 projects you have done.
Application process
Where: Linkedin
Eligibility: No criteria
Tip 1 : Add minimum of 2 development projects
Tip 2 : Highlight your skills and 1 page resume is appreciated
Interview rounds
01
Round
Medium
Face to Face
Duration90 Minutes
Interview date8 Aug 2019
Coding problem5
Interview was at Office. There were two interviewers and they were so friendly.
Interviewers covered all the fundamentals of CS questions and questions on DS
1. Detect and Remove Loop
Moderate
10m average time
90% success
0/80
Asked in companies
Given a singly linked list, you have to detect the loop and remove the loop from the linked list, if present. You have to make changes in the given linked list itself and return the updated linked list.
Expected Complexity: Try doing it in O(n) time complexity and O(1) space complexity. Here, n is the number of nodes in the linked list.
Problem approach
I already practiced this, so it was easy for me to solve.
Have a visited flag with each node.
Traverse the linked list and keep marking visited nodes.
If you see a visited node again then there is a loop. This solution works in O(n) but requires additional information with each node.
A variation of this solution that doesn’t require modification to basic data structure can be implemented using a hash, just store the addresses of visited nodes in a hash and if you see an address that already exists in hash then there is a loop.
2. Maximum Area Square
Moderate
10m average time
90% success
0/80
Asked in companies
You have been given a non-empty grid ‘MAT’ consisting of only 0s and 1s. Your task is to find the area of maximum size square sub-matrix with all 1s.
If there is no such sub-matrix, print 0.
For example, for the following grid:
The area of the largest square submatrix with all 1s is 4.
Problem approach
Solved with Dynamic Programming
3. DBMS Question
Asked to write Queries providing some use-cases .
Expected to write with Joins, GroupBy and OrderBy
Problem approach
Tip 1 : Practice to write queries with Joins
4. DBMS Question
How Primary Key in DB works internally and how will you implement that with code ?
5. Java Related Question
How JVM works ?
02
Round
Medium
Face to Face
Duration90 Minutes
Interview date8 Aug 2019
Coding problem1
1. Design Question
Implementation of Tic-Tac-Toe game
Problem approach
Have solved with Brute-Force Approach.
Interviewer then asked to optimise and the interview went for next 1 hour for optimising to least time complexity.
03
Round
Easy
HR Round
Duration30 Minutes
Interview date9 Aug 2019
Coding problem1
Culture Round
Asked about Long Term Goals
1. Basic HR questions
Asked about Long Term Goals, Strengths, Attitude.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is recursion?
Choose another skill to practice
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