给出下面程序的输出结果。
#include
usingnamespacestd;
classSimple
{
intx,y;
public:
Simple(){x=y=0;}
Simple(inti,intj){x=i;y=j;}
voidcopy(Simple&s);
voidsetxy(inti,intj){x=i;y=j;}
voidprint(){cout<<"x="
};
voidSimple::copy(Simple&s)
{
x=s.x;y=s.y;
}
voidfunc(Simples1,Simple&s2)
{
s1.setxy(30,40);
s2.setxy(70,80);
}
voidmain()
Simpleobj1(1,2),obj2;
obj2.copy(obj1);
func(obj1,obj2);
obj1.print();
obj2.print();
}