C++“爸爸”类和“妈妈”类共同采用虚基类的方式继承了“人”类（包含成员年龄)

C++“爸爸”类和“妈妈”类共同采用虚基类的方式继承了“人”类（包含成员年龄)

class pp
{
int age;
public:
pp(int a=0):age(a){}
virtual void prt() = 0;
};
class bb : virtual public pp
{
int age;
public:
bb(int a = 0) :pp(a) {}
void prt()
{
cout << age << endl;
}
};
class mm : virtual public pp
{
int age;
public:
mm(int a = 0) :pp(a) {}
void prt()
{
cout << age << endl;
}
};
class cd : public bb, public mm
{
int age;
public:
cd(int a=0): age(a){}
void prt()
{
cout << age << endl;
}
};
int main()
{

cd c(10);
c.prt();

getch();
return 0;
}