I applied through an employee referral. The process took 2 weeks. I interviewed at Two Sigma in Sept 2016
Interview
A friend refers me to this company.I receive the online assignment and I pass it. Right now I am taking the phone interview. And right now I am pursuing the software engineering internship in 2017 fall. Hope that my interview can help you. if you have any questions, wellcome to ask me.
Interview questions [1]
Question 1
find friend circles given a matrix of the friend relationship. it is like this "YYNN" "YYNN" "NNYY" "NNYY", Y represents that the two are friends. The circle includes this condition: A knows B , B know s C. So A, B and C are a circle. Find the numbers of the circle among friends
first interview was 60 minutes long with a leetcode hard question. second interview was 2 back to back 60 minute leetcode hard with emphasis on data structures. each interview had a 5 minute introduction and 10 minute at the end to ask questions
Standard medium difficulty hackerrank. The question involved decoded an encoded string. It was not something I had seen on LeetCode before and I think was unique to the company. The question was not that difficult but I ran out of time right before I could finish answering.
Interview questions [1]
Question 1
Decode a string encoded using a specific encoding algorithm.
It started of with one phone screen, then if you pass you have 2 back to back technicals, then 3 1 hour behaviorals, hiring committee, and management committee. Standard Leetcode and behavioral questions.
