Google

I was sent a coding exam to finish in 30 minutes. The sample question was simple enough, while the actual test had two relatively meaty questions. They definitely presented problems that weren't the general run-of-the-mill types.

The interview process at Google was extremely difficult. It consisted of many interviews with HR personnel, and then the technical questions were taken directly from LeetCode. LeetCode questions are very difficult.

Phone Call Onsite 5 interviews Questions were okay, mostly algorithm-based. Practice on a whiteboard and try to solve problems a lot. There is a book by Career Cup that can be helpful. Apart from that, I guess it will depend on your experience.