(String s)
| 1 | class Solution { |
| 2 | // Finds decimal value of a given roman numeral |
| 3 | public int romanToDecimal(String s) { |
| 4 | HashMap<Character,Integer> map = new HashMap<>(); |
| 5 | map.put('I',1); |
| 6 | map.put('V',5); |
| 7 | map.put('X',10); |
| 8 | map.put('L',50); |
| 9 | map.put('C',100); |
| 10 | map.put('D',500); |
| 11 | map.put('M',1000); |
| 12 | |
| 13 | int n=s.length(); |
| 14 | int output=0; |
| 15 | for(int i=0;i<n;i++) |
| 16 | { |
| 17 | if(i<n-1 && map.get(s.charAt(i))<map.get(s.charAt(i+1))) |
| 18 | { |
| 19 | output+= map.get(s.charAt(i+1))-map.get(s.charAt(i)); |
| 20 | i++; |
| 21 | } |
| 22 | else |
| 23 | { |
| 24 | output+=map.get(s.charAt(i)); |
| 25 | } |
| 26 | } |
| 27 | return output; |
| 28 | |
| 29 | } |
| 30 | } |
nothing calls this directly
no outgoing calls
no test coverage detected