Ok i'm done DRYing
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@ -1,17 +1,9 @@
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import ./common, std/[strutils, sequtils, strformat, sugar]
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proc crabFuel(c: seq[int]): int =
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(0..c.foldl(max(a, b))).toSeq()
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.reduce((r,t) => min(c.foldl(a + abs(b - t), 0), r), high(int))
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proc crabFuel(c: seq[int], f = (n: int) => n): int =
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toSeq((1..c.foldl(max(a, b)))).reduce((r,t) => min(c.foldl(a + f(abs(b - t)), 0), r), high(int))
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proc triangleNumber(n: int): int = int((n * (n + 1)) / 2)
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proc crabMoreFuel(c: seq[int]): int =
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(0..c.foldl(max(a, b))).toSeq()
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.reduce((r,t) => min(c.foldl(a + abs(b - t).triangleNumber(), 0), r), high(int))
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doDay(7,
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(day) => day.loadInputText().split(',').map(parseInt),
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crabFuel,
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crabMoreFuel,
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doDay(7, (n) => n.loadInputText().split(',').map(parseInt),
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(n) => n.crabFuel(),
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(n) => n.crabFuel((c: int) => (c * (c + 1)) div 2),
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@[16,1,2,0,4,2,7,1,2,14], 37, 168)
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