Class Solution

src/com/blankj/medium/_0012/Solution.java:11–25

author: Blankj blog : http://blankj.com time : 2018/01/25 desc :

 * </pre>
 */
public class Solution {
    public String intToRoman(int num) {
        String M[] = {"", "M", "MM", "MMM"};
        String C[] = {"", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM"};
        String X[] = {"", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC"};
        String I[] = {"", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"};
        return M[num / 1000] + C[(num % 1000) / 100] + X[(num % 100) / 10] + I[num % 10];
    }

    public static void main(String[] args) {
        Solution solution = new Solution();
        System.out.println(solution.intToRoman(621));// DCXXI
        System.out.println(solution.intToRoman(348));// CCCXLVIII
    }
}