int main()
{
Human *p;
int choice = 0;
bool quit = false;
while (true)
{
cout << "(0)退出(1)父亲(2)母亲(3)儿子：";
cin >> choice;
switch (choice)
{
case 0:
quit = true;
break;
case 1:
p = new Father;
p->smart();
delete p;
break;
case 2:
p = new Mother;
p->beautiful();
delete p;
break;
case 3:
p = new Son;
p->beautiful();
p->smart();
delete p;
break;
default:
cout << "请输入0、1、2或3" << endl;
break;
}
if (quit)
break;
}
return 0;
}
