Compared to other interviews, the coding questions were much difficult questions, but the time was too short to solve it completely. I don't know if it was the difficult one.
Average interview
Application
I applied online. I interviewed at Citadel
Interview
I was contacted for a phone interview and it was mostly technical and no behavioral questions. the interviewer was fairly nice but asked me a lot of questions regarding product production.
I applied through an employee referral. The process took 7 weeks. I interviewed at Citadel (Chicago, IL) in Mar 2019
Interview
Had a phone interview that was purely technical, then an onsite that consisted of algo/ds questions, c++ questions, and general coding questions. People were very cordial and kind. Amazing views. Make sure you know your data structures and algorithms as well as C++
Interview questions [1]
Question 1
How are priority queues made, how to determine identical binary trees, find missing numbers, find duplicates,