The interview process involves one phone screen and four onsite interviews.

First, there is one phone screen interview.

If accepted, you will attend four onsite interviews, all happening on one day.

A piece of advice:

During the interview, when you're asked to write a program, start by asking questions about the input. Then, give different solutions and compare them, considering memory and time efficiency. Once you decide on a solution, write your code and, at the end, try to test it.

Finding the intersection of two arrays and finding the deepest node in a binary tree.