Amazon Non Software Development Engineer interview questions

I applied this position online. This is a back to back, two 45 minutes phone interview. There is a 15 minutes break between them. The first session is mainly about data structure include hash table, singly linked list. The second session talk both resume questions and code problems.

Fly directly to seattle to have a group interview. There are 3 people for one team. Each person will be assigned to one part. About 5 hours to complete the code. During the coding, everyone will have a 30 minutes individual interview.