payal-kothari
8/9/2017 - 7:07 PM

From https://leetcode.com/problems/roman-to-integer/description/

From https://leetcode.com/problems/roman-to-integer/description/

Roman to integer.java
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public class Solution {
    public int romanToInt(String s) {
        int sum=0;
        if(s.indexOf("IV")!=-1){sum-=2;}
        if(s.indexOf("IX")!=-1){sum-=2;}
        if(s.indexOf("XL")!=-1){sum-=20;}
        if(s.indexOf("XC")!=-1){sum-=20;}
        if(s.indexOf("CD")!=-1){sum-=200;}
        if(s.indexOf("CM")!=-1){sum-=200;}
        
        char c[]=s.toCharArray();
        int count=0;
        
        for(;count<=s.length()-1;count++){
           if(c[count]=='M') sum+=1000;
           if(c[count]=='D') sum+=500;
           if(c[count]=='C') sum+=100;
           if(c[count]=='L') sum+=50;
           if(c[count]=='X') sum+=10;
           if(c[count]=='V') sum+=5;
           if(c[count]=='I') sum+=1;
       
         }
   
   return sum;
    
   }
}