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The official awful.systems Advent of Code 2023 thread (awful.systems)

submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/[email protected]

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[–] [email protected] 2 points 9 months ago* (last edited 9 months ago)

I knew there was a better way! Thanks!

perhaps

A more elegant proof might show that starting with a rectangle, you have 4 corners contributing 1/4. You can push out parts of the edges of the rectangle to generate more corners, but they will always be in pairs of opposite types.