One phone screening, where I was asked two technical questions. After the phone screening, I had four back-to-back interviews: two behavioral and two technical. The people were pleasant, the office was nice, and it was as good of a time as a job interview can be. They also gave me lunch and paid for any transportation-related costs.

Given an array of numbers from 1 to 100, where one of them is replaced with a 0, find the missing number.

Given two strings, figure out if string B can be made using the characters in string A.

Some other array/string questions. Pretty easy on the technical front.

What would you care about if designing a vending machine? i.e., design, functionality, etc.