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day18.1

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rhiannon morris 2022-12-18 13:47:21 +01:00
parent 0ca15eb016
commit 37029c00d1
1 changed files with 8 additions and 4 deletions
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aoc.bqn
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@ -50,8 +50,6 @@ Day5 ⇐ {
Day6 ⇐ {{𝕨+ ⊑/ ≡⟜⍷˘ 𝕨↕𝕩}⟜(•FChars 𝕩)¨ 4‿14} Day6 ⇐ {{𝕨+ ⊑/ ≡⟜⍷˘ 𝕨↕𝕩}⟜(•FChars 𝕩)¨ 4‿14}
# ⟨ 1929 3298 ⟩ # ⟨ 1929 3298 ⟩
Day7 ⇐ {𝕩, "mercury only"!0}
Day8 ⇐ { Day8 ⇐ {
_rots ← {F‿x←𝔽‿𝕩, >{F⌾𝕏x}¨⟨⊢,⍉,⌽˘,⍉⌽⟩} _rots ← {F‿x←𝔽‿𝕩, >{F⌾𝕏x}¨⟨⊢,⍉,⌽˘,⍉⌽⟩}
A ← {+´⥊ ∨˝ ∧´∘(⊑>1⊸↓)¨ 𝕩} A ← {+´⥊ ∨˝ ∧´∘(⊑>1⊸↓)¨ 𝕩}
@ -60,8 +58,6 @@ Day8 ⇐ {
} }
# ⟨ 1843 180000 ⟩ # ⟨ 1843 180000 ⟩
Day9 ⇐ {𝕩, "mercury only"!0}
Day10 ⇐ { Day10 ⇐ {
Line ← 0∾ ·•BQN⎊⟨⟩ 5↓⊢ Line ← 0∾ ·•BQN⎊⟨⟩ 5↓⊢
A ← (+´ 19⊸⊏∘⍉) (⊢×1+↕∘≠⌾⥊) A ← (+´ 19⊸⊏∘⍉) (⊢×1+↕∘≠⌾⥊)
@ -70,3 +66,11 @@ Day10 ⇐ {
} }
# ⟨ 13060 "FJUBULRZ" ⟩ # ⟨ 13060 "FJUBULRZ" ⟩
# (but the string is a big banner) # (but the string is a big banner)
Day18 ⇐ { # part 1 only :[
grid ← (↕∘> 1+⌈˝)⊸∊ •BQN¨ '‿'⍟(=⟜',')⚇0 •FLines 𝕩
touch ← +´⥊ «‿» {∧⟜(𝕎⎉𝕩) grid}⌜ 1+↕3
+´⥊ (6×grid)-touch
}
# 3470
•Show Day18 ⊑•args