The first interview was an HR phone interview with three simple technical questions.

The second interview was a technical phone interview with one of the employees, conducted on a shared online whiteboard.

Overall, the process was very good. The people were very nice and helpful.

During the interview, the interviewer gives you tips and directions. Always focus on what you are doing.

HR: Hash function search time, what is O(n)?

Programming: Write a function that gets an int array. Each int has a category which can be received by a given function. The category can be one of (0, 1, 2).

Example: Array[1]=20, get_category(20)=1.

Sort the int array by the int category.

Following question: Sort without an additional array.