leetcode-----12. 整数转罗马数字

• 链接：https://leetcode-cn.com/problems/integer-to-roman/

代码

class Solution {
    public String intToRoman(int num) {
        int values[] = {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
        String reps[] = {"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"};

        String ans = "";
        for (int i = 0; i < 13; ++i) {
            while (num >= values[i]) {
                num -= values[i];
                ans += reps[i];
            }
        }
        return ans;
    }
}