Integer to Roman
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Given an integer, convert it to a roman numeral.
Input is guaranteed to be within the range from 1 to 3999.
代码：
public class Solution_11{public static String intToRoman(int num) {String[][] table = {{"","I","II","III","IV","V","VI","VII","VIII","IX"},{"","X","XX","XXX","XL","L","LX","LXX","LXXX","XC"},{"","C","CC","CCC","CD","D","DC","DCC","DCCC","CM"},{"","M","MM","MMM"}};String tmp = num + "",result = "";int length = tmp.length();for(int i = 0; i < length; i++){int j = tmp.charAt(i) - '0';result += table[length- 1 - i][j];}return result; }public static void main(String[] args){// TODO Auto-generated method stubSystem.out.println(intToRoman(3099));}}
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