ByteDance Software Engineer interview questions

The process is fast (within one week) and compact (5 rounds). The feedback is professional. However, the given time slot to consider the offer is rather eager and really in a rush.

The interviewer was very rude and arrogant. Got asked a LeetCode question, I couldn't get the answer. Understandably was told that I failed the interview. No issues. However, when I asked the interviewer for the correct solution he gave a very rude response. Very unprofessional. Is this the working culture there?