3 ms·

Also check out their problems page http://streamtech.nl/site/problem+set http://streamtech.nl/site/problem+set

• adbge 16y ago
  These are actually pretty interesting problems. Hobbyists (myself included) might want to consider solving them for fun.
  • zimbu668 16y ago
    Have you seen Project Euler? (http://projecteuler.net/ http://projecteuler.net/) Almost 300 problems like that.