54 lines
1.6 KiB
Plaintext
54 lines
1.6 KiB
Plaintext
func check[report: Array] : Bool
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let increasing: Bool = array.nth(report, 0) < array.nth(report, 1)
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for i in 0..array.size(report)-1
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if array.nth(report, i) > array.nth(report, i + 1) & increasing
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return false
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if array.nth(report, i) < array.nth(report, i + 1) & !increasing
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return false
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let diff: I64 = math.abs(array.nth(report, i) - array.nth(report, i + 1))
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if diff < 1 | diff > 3
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return false
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return true
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func part1[data: Array] : Void
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let out: I64 = 0
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for i in 0..array.size(data)
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if check(array.nth(data, i))
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out = out + 1
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io.println_i64(out)
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func part2[data: Array] : Void
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let out: I64 = 0
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for i in 0..array.size(data)
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if check(array.nth(data, i))
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out = out + 1
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else
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for j in 0..array.size(array.nth(data, i))
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let sliced: Array = array.concat(array.slice(array.nth(data, i), 0, j), array.slice(array.nth(data, i), j + 1, array.size(array.nth(data, i)) - (j + 1)))
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if check(sliced)
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out = out + 1
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break
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io.println_i64(out)
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func main[] : I64
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let lines: Array = io.read_file("input.txt") |> str.split("\n")
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let data: Array = []
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for i in 0..array.size(lines)
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let line: String = array.nth(lines, i)
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let report: Array = str.split(line, " ")
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for i in 0..array.size(report)
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array.set(report, i, str.parse_i64(array.nth(report, i)))
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array.push(data, report)
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part1(data)
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part2(data) |