ForgetfulAddition.cpp

inline int toInt(std::string s) {int v; std::istringstream sin(s);sin>>v;return v;}
class ForgetfulAddition {
    public:


    int minNumber(string expression) {
      int ans=9999999;

      for(int i=1;i<expression.size();i++)
        {
          string a=expression.substr(0,i);
          string b=expression.substr(i);
          //     cerr<<a<<"+"<<b<<endl;

          ans=min(ans,toInt(a)+toInt(b));

        }

        return ans;
    }
};