It was ok, but not the best interview experience. Some of the interviewers framed the interview as "a discussion", but in actuality they have a very particular solution in mind and were not interested in discussing other solutions. If they are only interested in that particular approach, then it would be better if they just asked about that technique directly. It was quite frustrating as their solutions weren't great themselves. I imagine this is largely just inexperience on these particular interviewers though, and not really a reflection on the company. Still it was a little frustrating.