#12 LeetCode——Integer to Roman

将阿拉伯数字转化为罗马数字

java代码如下

public class Solution {
public String intToRoman(int num) {
int[] values = {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 };
String[] numerals = {"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I" };
StringBuilder result = new StringBuilder();
for (int i = 0; i < values.length; i++)
{
while (num >= values[i])
{
num -= values[i];
result.append(numerals[i]);
}
}
return result.toString();
}
}