2022-12-02 01:19:46 -05:00
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# a‿b Sub x: the b-length subarray starting at a
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Sub ⇐ {a‿b𝕊𝕩:b↑a↓𝕩}
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# e Split xs: split xs on occurrences of e (default 0)
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Split ⇐ {Sub⟜𝕩¨ ((1+») ⋈¨ ⊢-») /(𝕨⊣0)=𝕩}
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2022-12-01 15:09:48 -05:00
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Day1 ⇐ {
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2022-12-02 01:19:46 -05:00
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sums ← ∨+´¨ Split •BQN⎊0¨ •FLines 𝕩
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⟨⊑sums, +´3↑sums⟩
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2022-12-01 14:37:22 -05:00
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}
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2022-12-01 15:09:48 -05:00
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•Show Day1 ⊑•args
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