Структуры [C++ Builder]

#include <cstdlib>
#include <iostream>
struct ATC
{
    std::string fio;
    std::string tel;
    std::string dat;
    double sum;
};
using namespace std;
 
int main(int argc, char *argv[])
{
    ATC massiv[3] = {{"Petrov Pavel Vsilievich","7267383","06072010",1000},
                      {"Krotov Sergey Batkovich","3232324","07012010",10},
                      {"Finoshina Ekaterina Anatolievna","1234567","01022009",170}
                    };
     double srednee = 0;
      double mins = massiv[0].sum;  //            
     for(int i = 0;i<3;i++)
     {
       cout<<massiv[i].fio<<endl;
       if(mins>massiv[i].sum)
        mins =  massiv[i].sum;
        srednee+= massiv[i].sum;
       
     }   
     cout<<"srednee :"<<srednee / 3<<endl;
     cout<<"min summa abonenta:"<<mins<<endl;            
    system("PAUSE");
    return EXIT_SUCCESS;
}