Microsoft Software Engineer(Internship) interview questions

Microsoft was very friendly. A recruiter reached out to me on LinkedIn to schedule an on campus interview at my college. That interview was not too bad. Was asked a question on how to manipulate a matrix. 4 hours after my interview they sent me instructions on how to schedule my next one in Seattle. At Seattle they were very friendly again. They are trying a new interview process where they only do 2 interviews compared to the 4 they were used to. Both interviews were 45 minutes long with 30 of those minutes being a technical question and the rest is you asking questions.

I was flown out to the final round of interviews in Redmond, WA. Questions are average difficulty, about the same level as easy-medium on leetcode. Did not enjoy my experience as my interviewers seems extremely bored the entire time and that made me uncomfortable during my entire session. They also weren't really engaged with the interview. I solved the technical questions but got a rejection without any explanation as to why.