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Diffstat (limited to 'users/sterni/exercises/aoc/2022/18/18.bqn')
-rw-r--r-- | users/sterni/exercises/aoc/2022/18/18.bqn | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/users/sterni/exercises/aoc/2022/18/18.bqn b/users/sterni/exercises/aoc/2022/18/18.bqn new file mode 100644 index 000000000000..76ec569fed41 --- /dev/null +++ b/users/sterni/exercises/aoc/2022/18/18.bqn @@ -0,0 +1,14 @@ +lib ← •Import "../../lib.bqn" + +i ← (lib.ReadDec¨(<',')⊸lib.SplitOn)¨ •FLines "input" +dim ← 1+⌈´i +cubes ← i∊˜↕dim + +views ← ⟨0‿1‿2, 1‿2‿0, 2‿0‿1⟩ +Exposed ← {(6×+´⥊𝕩)-2×+´views{+´⥊(∧˝˘)2↕𝕨⍉𝕩}¨<𝕩} +Interior ← {(¬𝕩)∧´views{((lib.Xor`∘((∊∧⊢)∨»∘(∊⌾⌽∧⊢)))⎉1)⌾(𝕨⊸⍉)𝕩}¨<𝕩} +Displace ← {⌈´(⥊⊢‿⌽⋈⌜views){F‿a 𝕊 𝕩:((-∘¬∘(»((0⊸=⊣)∧>)⊢)⌈⊢)⎉1)⌾(F a⊸⍉)𝕩}¨<𝕩} +Exterior ← (⊢-○Exposed ¯1⊸=∘(Displace lib._fix)∘(-∘Interior+⊢)) + +•Out "day18.1: "∾•Fmt Exposed cubes +•Out "day18.2: "∾•Fmt Exterior cubes |