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Implement day 11 distance finding in space
"shortest distance" is simplified by it being cardinal directions,
so it's the same as taking the right-angle between them.
The Part 1 space expansion was quite clean, but the Part 2
approach generalises it to something even nicer.
author | IBBoard <dev@ibboard.co.uk> |
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date | Mon, 11 Dec 2023 20:08:47 +0000 |
parents | 49dd1ae93696 |
children |