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2025 Day 8 Part 2

This commit is contained in:
Jeremy Kaplan 2025-12-20 19:37:11 -05:00
commit 3293478996

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@ -6,25 +6,48 @@ Junctions ← ≡◇⊜⋕ ⊸≠@, Input
Distance ← √ /+ ⁿ2 -
Dist₂ ← /+ ⁿ2 -
≡(□¤) Junctions
°⊏ Junctions
Part₁ ← (
⊙⟜≡(□¤)
⊙(
°⊏
⊏ ⧅< 2
⊏⍏⊸≡(Distance°[⊙⊙])
)
⟜↙
↙ 1000
⊙⊃(⋅∘|∘)
⍥₁₀₀₀(
⊃(↘1|⊢)
⊙(
⊃(⋅∘|¤∘)
⍥(
⊙⊃(¤⊢|↘1)
⤚≡(/↥◇∊)
⊃(▽|▽¬)
/⍚⊂
)
)
˙⍤=0⧻
⊙(˙⍤=0⧻)
/×↙¯3⍆≡◇⧻
)
Part₂ ← (
⟜≡(□¤)
⊏ ⧅< 2 °⊏
⊏⍏⊸≡(Distance°[⊙⊙])
# Edges Forest
⊃(⋅∘|∘)
# Forest Edges 0
⍢(⊙⊃(¤⊢|↘1|×∩⊢°[⊙⊙]⊢)
⤚≡(/↥◇∊)
⊃(▽|▽¬)
/⍚⊂
| >1◇⧻
)
)
&s Part₁ 1000 Junctions
&s Part₂ Junctions