类中有指针成员变量的初始化

#include "iostream.h"
class A
{
public:
int *t;
int *s;
A(int *p,int *q):t(p),s(q)
{
t=p;
s=q;
cout<<"create A"<<endl;
}
~A()
{
cout<<"distroy A"<<endl;
}
void modif_t()
{

cout<<"t="<<t<<endl;
cout<<"s="<<s<<endl;
}
};
void fun(int &w)
{
w=w*2;
}
void main()
{
int m=0,n=0;
A *aa=new A(&m,&n);
}