diff --git a/java/0012-integer-to-roman.java b/java/0012-integer-to-roman.java new file mode 100644 index 000000000..9dd8168d4 --- /dev/null +++ b/java/0012-integer-to-roman.java @@ -0,0 +1,15 @@ +class Solution { + public String intToRoman(int num) { + int[] vals = new int[] {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1}; + String[] symbols = new String[] {"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"}; + + StringBuilder res = new StringBuilder(); + for (int i = 0; i < vals.length && num >= 0; i++) { + while (num >= vals[i]) { + num -= vals[i]; + res.append(symbols[i]); + } + } + return res.toString(); + } +} \ No newline at end of file