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Re:A random dungeon generator in C, small enough to fit on a... by woodrowbarlow on Tuesday March 05, 2019 @09:22AM (#19310663)
you may enjoy this article, where the author of a really clever bit of obfuscated C breaks down everything the code is doing.

https://www.a1k0n.net/2011/07/20/donut-math.html

Re:A random dungeon generator in C, small enough to fit on a... by tromp on Tuesday March 05, 2019 @10:48AM (#19311264)
The maze generator at http://tromp.github.io/pearls.html#maze is similarly accompanied by a link to a book chapter documenting the obfuscation.