Advent of Code on the Nintendo DS

The problem with Advent of Code is that it is a waste of time. Most of the puzzles are in the realm of either string processing (somewhat applicable to programming), logic puzzles (not really applicable to most programming), or stupid gotchas in the input format (annoyingly, very applicable to most programming). So to combat this a lot of people use Advent of Code as an excuse to learn a new programming language that they wouldn't otherwise have a reason to use.