| 8 | |
| 9 | |
| 10 | static int roman(String s){ |
| 11 | int sum=0; |
| 12 | for (int i = 0; i < s.length(); i++) { |
| 13 | if(s.charAt(i)=='I'){ |
| 14 | if ( i+1<s.length()) { |
| 15 | if (s.charAt(i + 1) == 'V') { |
| 16 | sum = sum + 4; |
| 17 | i++; |
| 18 | } else if (s.charAt(i + 1) == 'X') { |
| 19 | sum = sum + 9; |
| 20 | i++; |
| 21 | } |
| 22 | else{ |
| 23 | sum=sum+1; |
| 24 | } |
| 25 | } |
| 26 | else{ |
| 27 | sum=sum+1; |
| 28 | } |
| 29 | } |
| 30 | else if(s.charAt(i)=='X' ){ |
| 31 | if ( i+1<s.length()) { |
| 32 | if (s.charAt(i + 1) == 'L') { |
| 33 | sum = sum + 40; |
| 34 | i++; |
| 35 | } else if (s.charAt(i + 1) == 'C') { |
| 36 | sum = sum + 90; |
| 37 | i++; |
| 38 | } |
| 39 | else{ |
| 40 | sum=sum+10; |
| 41 | } |
| 42 | } |
| 43 | else{ |
| 44 | sum=sum+10; |
| 45 | } |
| 46 | } |
| 47 | else if(s.charAt(i)=='C'){ |
| 48 | if ( i+1<s.length()) { |
| 49 | if (s.charAt(i + 1) == 'D') { |
| 50 | sum = sum + 400; |
| 51 | i++; |
| 52 | } else if (s.charAt(i + 1) == 'M') { |
| 53 | sum = sum + 900; |
| 54 | i++; |
| 55 | } |
| 56 | else{ |
| 57 | sum=sum+100; |
| 58 | } |
| 59 | } |
| 60 | else{ |
| 61 | sum=sum+100; |
| 62 | } |
| 63 | } |
| 64 | else if(s.charAt(i)=='V'){ |
| 65 | sum=sum+5; |
| 66 | } |
| 67 | else if(s.charAt(i)=='L'){ |