One phone call with HR, and one phone call with the group manager.

The first day of interviews included two interviews back-to-back, each an hour long. The first interview mainly focused on technical questions, and the second was balanced between technical questions and a discussion of previous experience.

The first interviewer was really pleasant; the second one was awful. He was not nice at all, wasn't open for discussion, and cut me off throughout our conversation when I was explaining things.

Implement an aligned malloc free function.

Also, some questions about bit manipulation.