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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Roman-numerals-Encode/Elixir/roman-numerals-encode-2.elixir Normal file
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defmodule Roman_numeral do
@symbols [ {1000, 'M'}, {900, 'CM'}, {500, 'D'}, {400, 'CD'}, {100, 'C'}, {90, 'XC'},
{50, 'L'}, {40, 'XL'}, {10, 'X'}, {9, 'IX'}, {5, 'V'}, {4, 'IV'}, {1, 'I'} ]
def encode(num) do
{roman,_} = Enum.reduce(@symbols, {[], num}, fn {divisor, letter}, {memo, n} ->
{memo ++ List.duplicate(letter, div(n, divisor)), rem(n, divisor)}
end)
Enum.join(roman)
end
end