15 lines
398 B
Julia
15 lines
398 B
Julia
function solution7(costfunction)
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start = parse.(Int, split(readline("7.data"),","))
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min(map(x -> costfunction(x, start), min(start...):max(start...))...)
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end
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function solution7_1()
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solution7((x, positions) -> sum(abs.(positions .- x)))
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end
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function solution7_2()
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solution7((x, positions) -> sum(div.(map(n->n * (n+1), abs.(positions .- x)), 2)))
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end
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solution7_1(), solution7_2()
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