Google

There is a five-round onsite interview in one day. The super-intense interview process is followed by interviewers who are nice and happy to provide hints when you are trying to complete the code challenge.

4, 45-minute on-site interviews in one day. They provided a laptop for the coding questions. Time is a big constraint. Completing the code is more important than having the advanced solution. I had no strong C++ experts as interview partners. They

Full-day, 4-interview session with lunch in the middle and a casual chat with the day's "guide." Overall, the interviews were decent. They were pretty formulaic and LeetCode-ish. The toughest part is staying perky through a full day of interviewing.