Integer to Roman LeetCode Java

標籤：sys   pre   java   []   bsp   convert   eth   rom   span   

描述
Given an integer, convert it to a roman numeral.
Input is guaranteed to be within the range from 1 to 3999.
分析
無
代碼

 1 public class IntegerToRoman { 2  3     public static void main(String[] args) { 4         // TODO Auto-generated method stub 5         int num = 187; 6         System.out.println(intToRoman(num)); 7     } 8  9     public static String intToRoman(int num) {10         int radix[] = { 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 };11         String symbol[] = { "M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I" };12         String roman = "";13         for (int i = 0; num > 0; ++i) {14             int count = num / radix[i];15             num %= radix[i];16             for (; count > 0; --count)17                 roman += symbol[i];18         }19         return roman;20     }21 22 }

 

Integer to Roman LeetCode Java