#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
int main(void)  {    //why void 
int a=3;
int *p=&a;
cout<<p <<endl;
cout<<" size: "<<sizeof(p)<<endl;
p++;
cout<< p <<endl;
char c='A' ;
char *m=&c;
cout<<"size :"<<sizeof(m)<<endl;
cout<< static_cast<int>(*m) <<endl;  
cout<< reinterpret_cast<int *>(m) <<endl;  
return 0;
}