Day 4: Printing Department

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FAQ

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[–] 5 points 10 months ago* (last edited 10 months ago) (5 children)

Uiua

Suspiciously easy. I even included a free animation generator for your entertainment.

"..@@.@@@@.\n@@@.@.@.@@\n@@@@@.@.@@\n@.@@@@..@.\n@@.@@@@.@@\n.@@@@@@@.@\n.@.@.@.@@@\n@.@@@.@@@@\n.@@@@@@@@.\n@.@.@@@.@."
# You can run against your own input by dragging your file
# onto this pane and uncommenting the line below.
# &fras"day4.txt" # edit to match the filename.
⊜(=@@)βŠΈβ‰ @\n
Nβ‚ˆ ← βŠ‚Aβ‚‚Cβ‚‚
R  ← Γ—<4⊸(/+⬚0↻)Nβ‚ˆ
P₁ ← /+β™­R
Pβ‚‚ ← /+β™­-⊸β₯(-⊸R)∞
P₃ ← β₯(▽₃10)<1e6/Γ—βŠΈβ–³β₯⊸(-⊸R)∞
βŠƒ(P₁|Pβ‚‚|P₃)

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  • [–] 2 points 10 months ago (1 child)

    That's a great addition :D

    Running my own input I also noticed that your solution is a lot faster than mine (processing each roll individually). I'll keep that 2D-rotation in mind for the future.

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  • [–] 1 point 10 months ago

    Yeah, that's one thing the gurus keep hammering home: anything you can move out of loop constructs (inc rows, partition, etc as well as the obvious do, repeat) and handle pervasively is a big win.

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