RosettaCodeData/Task/Roman-numerals-Encode/Picat/roman-numerals-encode-1.picat
2023-07-01 13:44:08 -04:00

21 lines
588 B
Text

go =>
List = [455,999,1990,1999,2000,2001,2008,2009,2010,2011,2012,1666,3456,3888,4000],
foreach(Val in List)
printf("%4d: %w\n", Val, roman_encode(Val))
end,
nl.
roman_encode(Val) = Res =>
if Val <= 0 then
Res := -1
else
Arabic = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1],
Roman = ["M", "CM", "D", "CD", "C", "XC","L","XL","X","IX","V","IV","I"],
Res = "",
foreach(I in 1..Arabic.length)
while(Val >= Arabic[I])
Res := Res ++ Roman[I],
Val := Val - Arabic[I]
end
end
end.