43 lines
652 B
Text
43 lines
652 B
Text
~ "aoc.ua" ~ Lines Sections
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Sections &fras "input/day05.txt"
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⍚Lines
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°[□⊙□⊙]
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≡(⊂∩⋕°$"_-_")
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Ranges ←
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≡⋕
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Items ←
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Contains ← ×⊃(≤⊙⊢|≥⊙⊣)
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Part₁ ← /+ ≡(>₀/+) ⊞Contains Items
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# Overlaps ? A B
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Overlap ← ≤ ⊣ ⊙⊢
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# Range ? A B
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Join ← ⊂⊃(/↧⊂⊢⊙⊢|/↥⊂⊣⊙⊣)
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Part₂ ← (
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⍢(
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| # Changed Ranges' ? Ranges
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⍆
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⊸(↘₋₁⟜↘₁)
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˜⊂0≡Overlap
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˜⨂ 1
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⤚≠ ⊙⊸⧻
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⨬(⋅0
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| ⊃(↙
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| ¤ Join °⊟⊏ ⊂⟜+₁
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| ↘+₂)
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⊂⊂
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1
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)
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)
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/+ ≡(+₁ -⊃⊢⊣)
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)
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Part₁ Ranges
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Part₂ Ranges
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