28 lines
672 B
Plaintext
28 lines
672 B
Plaintext
load "bool.quox"
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load "nat.quox"
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load "string.quox"
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load "list.quox"
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load "io.quox"
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def hash : ω.String → ℕ =
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letω hash1 : ω.ℕ → ω.Char → ℕ =
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λ n c ⇒ case char.ws? c return ℕ of {
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'true ⇒ n;
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'false ⇒ nat.mod (nat.times 17 (nat.plus (char.to-ℕ c) n)) 256
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} in
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string.foldlω ℕ 0 hash1
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def split : ω.String → List String =
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letω comma = char.from-ℕ 0x2C in
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string.split (char.eq comma)
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#[main]
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def part1 =
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io.bindω String True
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(io.read-fileω "in/day15")
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(λ s ⇒ io.dump ℕ (list.sum (list.mapω String ℕ hash (split s))))
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def0 ShittyHashMap = Vec 8 (Vec 8 (Vec 8 (List (String × ℕ))))
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