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| author | sterni <sternenseemann@systemli.org> | 2022-12-18T15·56+0100 |
|---|---|---|
| committer | clbot <clbot@tvl.fyi> | 2022-12-20T19·01+0000 |
| commit | ba719f8f5e8a1bb55a9f4fc99cd0e853f7ec62b8 (patch) | |
| tree | f7b7388c2a5b87cf9351ed6a508a1f34fd9ece04 /users/sterni/exercises/aoc/2022/18 | |
| parent | c9a44bfe1575691eaec449f2e6d0424de0dbcb8a (diff) | |
feat(sterni/aoc/2022): day18 BQN solution r/5430
Change-Id: I1504cd5e443ff0b28c2d97ae357e5d92c88bba4d Reviewed-on: https://cl.tvl.fyi/c/depot/+/7601 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Autosubmit: sterni <sternenseemann@systemli.org>
Diffstat (limited to 'users/sterni/exercises/aoc/2022/18')
| -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 |