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Fix romans module

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Oleh Prypin
2015-04-21 14:40:18 +03:00
parent a8c3c2ef0d
commit c433ae1aaa
1 changed files with 3 additions and 6 deletions
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9
lib/pure/romans.nim
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@@ -44,16 +44,13 @@ proc decimalToRoman*(number: range[1..3_999]): string =
("XC", 90), ("L", 50), ("XL", 40), ("X", 10), ("IX", 9),
("V", 5), ("IV", 4), ("I", 1)]
result = ""
var decVal = number
var decVal: int = number
for key, val in items(romanComposites):
while decVal >= val:
dec(decVal, val)
result.add(key)
when isMainModule:
import math
randomize()
for i in 1 .. 100:
var rnd = 1 + random(3990)
assert rnd == rnd.decimalToRoman.romanToDecimal
for i in 1 .. 3_999:
assert i == i.decimalToRoman.romanToDecimal