Integer to Roman
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Integer to Roman
Given an integer, convert it to a roman numeral.
Input is guaranteed to be within the range from 1 to 3999.
Java代码：
public class Solution { public String intToRoman(int num) { String[] str = new String[] { "M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I" }; int[] val = new int[] { 1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1 }; StringBuilder sb = new StringBuilder(); for (int i = 0; num > 0; i++) { while (num >= val[i]) { num -= val[i]; sb.append(str[i]); } } return sb.toString(); }} 0 0
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