Interviewed 5 hours after the written test. The interviewers followed an exact pattern of questions that they had prepared. I would say they need to know what they want to know, but not what the candidate knows. This clearly reflects Amazon's dictatorial style of working, and that's why people are working like dogs there. I will never ever join Amazon with this kind of people.

Tic Tac Toe.

Binary tree relationship between nodes.

Kindle design of bookmarks, etc.

Apart from this, many people management questions like explaining difficult situations and how you handle them.

Any time you had a conflict with your manager, etc.