Microsoft

Problem-solving, complexity analysis, underlying data structures, and sorting algorithms. It was a graph problem (tree), but basic, with few corner cases and discussions to handle. The complexity analysis part is important in all three interviews, a

It was great. I had lots of fun. I would do it again. There were lots of interesting questions. How many times would I do it again? Many times. Lots of times.

Applied through a campus recruiting system and a referral. Had a short interview on campus. Moved on to an on-site interview in my city that was one day. I had four interviews, where the questions were all LeetCode easy and medium, or a famous hard.