Pretty laid back. The interviewers are nice and are usually very patient. The point of the interview is to see how you think, rather than to get the right answer.
Just brush up on data structures. Communicate with your interviewer, and you should be fine.
Create a sorting algorithm for a string.
The following metrics were computed from 482 interview experiences for the Google Software Engineer (Internship) role in United States.
Google's interview process for their Software Engineer (Internship) roles in the United States is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Google's Software Engineer (Internship) interview process in United States.