Created
December 2, 2017 16:56
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| defmodule Advent1 do | |
| def sum([h|_]=list),do: do_sum(list++[h],0) | |
| defp do_sum([_],sum),do: sum | |
| defp do_sum([a|[a|_]=rest],sum),do: do_sum(rest,sum+a-?0) | |
| defp do_sum([_|rest],sum),do: do_sum(rest,sum) | |
| end | |
| IO.puts Advent1.sum to_charlist IO.read :all |
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