Epic interview questions

The interview was an automated, proctored test that had 5 stages. The questions in the test were vague and difficult, accounting for several hours in front of the computer. Each section "covered" a different area: technical skills (solving algorithmic-related problems), IQ (a timed IQ exam), and various other topics. Although each individual question wasn't too tough, after several hours in front of the computer, my brain was fried...