The folks at #Kattis finally published the problems from a bunch of old #competitiveprogramming contests that they have hosted over the years, including quite a few that I helped organize. Yay! (I have been bugging them to do this literally for years.) In particular, the list of available problems written by me instantly went from 2 to about 35:
https://open.kattis.com/problem-authors/Brent%20Yorgey
I have solved many (though not all) of them in #Haskell. Give them a try and let me know what you think! 😄