Meet Kenny: A KenKen puzzle generator and solver

This has been my pet Rust project for a long time and it is finally ready to share! If you didn't know, KenKen is like Sudoku with a twist (and more fun IMO). I would love to hear any feedback or questions. Hacking away at this has given me endless opportunities to learn more about the Rust language.

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I’m unhappy with the error message I got before I realized I needed a directory called “output”. It just said

Error: Path does not exist:

not even giving me the path it is complaining about.

That's not good. Looks like I'm suffering from this issue. I'll look for a fix. Thanks for trying it!

Edit: Fixed!

I find those 1x1 squares a bit weird looking, your generated puzzles contain quite a few of those, and sure enough comparing with the Simon Tatham's Portable Puzzle Collection version, that one seems to avoid them entirely.

They are not avoided at http://www.kenkenpuzzle.com/. That could fall under the future goal of "Specify operators to be used in the puzzle". But if they are too prevalent, maybe the generation logic should be tweaked.

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