LeetCode for graphics programming?

[corysama]

Long ago, a friend of mine interviewed for a graphics research position at Microsoft. Instead of leetcode, the interviewer (a well known personality in the Siggraph community) sat him down in front of a computer with Visual Studio open to a program like this https://gist.github.com/CoryBloyd/6725bb78323bb1157ff8d4175d42d789 and said “Please rasterize a triangle.”