#include
using namespace std;
class base
{
public:
int i;
};
class derived1 : virtual public base
{
public:
int j;
};
class derived2 : virtual public base
{
public:
int k;
};
class derived3 : public derived1, public derived2 {
public:
int sum;
};
int main(void)
{
derived3 object;
object.i = 10; // now i is unambiguous
object.j = 20;
object.k = 30;
object.sum = object.i + object.j + object.k;
cout << object.i << " ";
cout << object.j << " " << object.k << " ";
cout << object.sum << endl;
}