Microsoft Software Development Engineer interview questions

Received a mail about 1 month after applying online to set up a phone interview. The phone interview was pretty simple, and lasted for about 45 minutes. The interviewer just asked about my projects on my Resume. I received a mail within 3 days saying that u cleared the phone interview and inviting my to the Redmond office for an onsite interview. However, the actual onsite interview took place only after 2 months because of the sheer number of candidates they were interviewing. The onsite interview consisted of 3 rounds (including a lunch interview). They asked me about some design questions and some related to Trees and Lists. Two days later, I received a mail from the recruiter that I didn't clear the interview.

got the phone interview and set up one week later. One engineer not on time, 10 mins late. talked about the resume and asked some behavior questions. got the feedback two weeks later, the interview process is smoothly and feel good , although not get the onsite.the coding problem is not easy especially for live coding it's really challenging