Amazon Software Engineer interview questions

I recruiter contacted me via Linked in. After reviewing my resume and asking me a few HR questions he sent me a link to an online coding test. The test was 90 minutes long.

I have an one hour phone interview yesterday. The first 30 mins, we mainly to talked about my project, how is the database design. There is only one coding question at the last 30 mins. The question is: There are many conference room at Amazon, your manager wants you to book a conference room for a meeting. The number of people and time is given. Please return a list of rooms which are available at that time and have enough capacity.