Microsoft Software Engineer interview questions

I briefly chatted with a recruiter during a school career fair and dropped my resume. I was contacted for an on-campus screening interview the very next day. This interview was fairly smooth, but I then heard nothing for more than a month. At this point, I assumed that I had been filtered out on the first round. However, I received an email from the recruiter informing me that I would soon be scheduled for an on-site interview. Again, this was followed by radio silence for another month, at which point I had basically given up. More than two months after the first screen I finally got an on-site scheduled in Seattle, which consisted of 4 interviews (3 technical, 1 behavioral) over the course of a day. The interviewers and recruiters were nice, but it was still somewhat frustrating having my application hang in limbo for so long.

30 minutes on campus interview. Very simple. Introduce yourself, tell a little bit about your experience and a coding problem. The coding problem is not very difficult. Since the time is not very long, the interviewer did not ask many questions