#include <iostream>
using namespace std;
int n1, n2 , n3; 
int p1=100; // declare and initialize integer
int *p2; // declaring pointer to integer 
int p3; 
char *cptr; 
int main(void)
{
	p2 =  &p1;
	p3 = *p2; 
	cout << " p1 value is " << p1 << endl;
	cout << " &p1 address is " << &p1 << endl;
	cout << " *p2's value is " << *p2 << endl;
	cout << " p2's address is " << p2 << endl;
	cout << " p3's value is " << p3 << endl;
	cout << " p3's address is " << &p3 << endl;
	cout<< "---------------------------------------- \n";
	cout<< " different integer different addresses \n";
	n1 = 0;	n2 = 1;	n3 = 2; 
	cout<< " address of n1 " << &n1 <<endl;
	cout<< " address of n2 " << &n2 <<endl;
	cout<< " address of n3 " << &n3 <<endl;
	
}