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/**
* Given an integer, convert it to a roman numeral.
*
* Input is guaranteed to be within the range from 1 to 3999.
*/
public class IntegertoRoman {
public String intToRoman(int num) {
String a[][] = {
{ "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX" },
{ "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC" },
{ "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM" },
{ "M", "MM", "MMM", "", "", "", "", "", "" } };
String result = "";
int key = 0;
while (num != 0) {
int d = num - num / 10 * 10;
if (d != 0) {
result = a[key][d - 1] + result;
}
num /= 10;
key++;
}
return result;
}
}
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