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2D grids and parsing data from them in all manner of interesting ways is a real AoC staple.
I'm still hoping to be met with a problem at some point which can be solved by handling it as a type of funge program.
Oh indeed, but it’s normally quite straightforward in the first few days. Certainly my terrible solution today is longer than any in the first maybe 10 days of last year.
What’s a “funge program”? [edit, oh befunge-like I guess]
Yep, funge has been used to describe any kind of multi-dimensional programming language - often with self-modifying code, I've personally found both 3D and 4D funge languages.
There's just something with the whole concept that amuses me, I've been trying to build some kind of funge-style programming puzzle game for a while now, but haven't figured out a good hook to take it past being just a PoC yet.
I’m not sure whether to be intrigued or horrified at the idea of an AoC type challenge where we slowly build up a 4D “FungeCode” interpreter like 2019’s IntCode series (which I notice I still haven’t completed!)
Writing and debugging 4D code is... interesting.
When your code can't just run forwards and backwards, but also left and right, up and down, and even inwards and outwards.