29 lines
512 B
Dart
29 lines
512 B
Dart
String integerToRoman(int number) {
|
|
const conversionRules = [
|
|
(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'),
|
|
];
|
|
|
|
final result = StringBuffer();
|
|
var remaining = number;
|
|
|
|
for (final (value, symbol) in conversionRules) {
|
|
while (remaining >= value) {
|
|
result.write(symbol);
|
|
remaining -= value;
|
|
}
|
|
}
|
|
|
|
return result.toString();
|
|
}
|