Created
May 9, 2017 01:57
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defmodule Test do | |
defp add(product, {i, list_i}, {j, list_j}, max) do | |
p = [{elem(list_i, i), elem(list_j, j)} | product] | |
reverse(p, {j, list_i}, {i+1, list_j}, max) | |
end | |
defp reverse(product, {i, list_i}, {j, list_j}, max) do | |
p = [{elem(list_i, i), elem(list_j, j)} | product] | |
case j do # next step? | |
^max -> p # done | |
^i -> reverse(p, {i+1, list_i}, {0, list_j}, max) # new | |
j -> add(p, {j , list_i}, {i, list_j}, max) # normal | |
end | |
end | |
def breadth_first_product(list1, list2) do | |
e = reverse([], {0, List.to_tuple(list1)}, {0, List.to_tuple(list2)}, length(list1)-1) |> Enum.reverse | |
end | |
end |
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