A hiring manager came to my college and did a preliminary on-campus interview. They responded within two days and asked me to schedule an on sight interview. The new graduate interview takes the whole day (from 7:40am to around 4pm) and included breakfast, lunch, and a social in addition to four in-person interviews.
Interview questions [1]
Question 1
The questions were mostly straightforward algorithm questions. There were also a few design questions where they just wanted to see your thought process.