Amazon Software Development Engineer (SDE I) interview questions

4 rounds. 2 algorithms and 2 OOD questions, Algorithm is about medium level. OOD are Unix find and a word interpreter. Finally the hiring manager didn't feel me good, He interrupted me frequently and it is not very easy to talk with.

OA has 3 parts: part 1: debugging questions. There are 7 questions in 12 minutes. Some questions are tricky, some are straightforward. part2: coding questions. There are 2 question in 70 minutes. One is about max average subtree. One is about greedy algo. paet3: work simulation.