Set of Numbers are given to you.

convert them to Roman numbers.

Solution is in Hacker Earth style

static String[] romanizer(int[] num) { String ans[] = new String[num.length]; for(int i=0; i<num.length;i++){ ans[i]=convertToRoman(num[i]); } return ans; } static String convertToRoman(int val){ String res=""; String huns[] = {"", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM"}; String tens[] = {"", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC"}; String ones[] = {"", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"}; int size[] = { 0, 1, 2, 3, 2, 1, 2, 3, 4, 2}; while (val >= 1000) { res=res+'M'; val -= 1000; } res=res+huns[val/100]; val = val % 100; res=res+ tens[val/10]; val = val % 10; res=res+ ones[val]; return res; }