16 lines
366 B
Plaintext
16 lines
366 B
Plaintext
defmodule Diff do
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def forward(list,i\\1) do
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forward(list,[],i)
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end
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def forward([_],diffs,1), do: IO.inspect diffs
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def forward([_],diffs,i), do: forward(diffs,[],i-1)
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def forward([val1,val2|vals],diffs,i) do
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forward([val2|vals],diffs++[val2-val1],i)
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end
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end
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Enum.each(1..9, fn i ->
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Diff.forward([90, 47, 58, 29, 22, 32, 55, 5, 55, 73],i)
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end)
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