3 Rounds of interview were conducted, 2 technical and 1 HR. The interviews were short.
Standard DSA and some questions on OOPS, C++, Networks and OS. Some logical puzzles were also asked
Interview questions [1]
Question 1
Find subtree with sum approximately half of the sum of nodes.
It was through campus placements and they primarily asked about some low level systems - OS based questions. They also asked about network questions and primarily seemed to have already made the decision before the interview even.
Interview questions [1]
Question 1
Walk me through what happens — in exact order — from the moment a userspace program issues a send() system call on a non-blocking TCP socket, to the packet being placed on the wire. Include kernel transitions, queues, locks, context switches, and NIC-level details.
The interview was late for the call. He was constantly engaged in some other work and almost had no focus on the interview. He asked some standard quant and probability based questions.
Interview questions [1]
Question 1
No tough question asked, only standard questions were asked