#include using namespace std; int main() { int n1 = 2,n2 = 4, n3= 8; cout<< " Integer constants n1, n2 , n3 " << n1 << ", " << n2 << ", " << n3; cout<< "\n Addreses constants n1, n2 , n3 " << &n1 << ", " << &n2 << ", " << &n3; int *ptr1; ptr1 = &n1; //accessing memory of n1 // pointer arithmatic *ptr1 *= 2; ptr1 = &n2; *ptr1 *= 2; ptr1 =&n3; *ptr1 *= 2; cout<< "\n Pointer Arithmatics " << endl; cout<< " Integer constants n1, n2 , n3 " << n1 << ", " << n2 << ", " << n3; cout<< "\n Addreses constants n1, n2 , n3 " << &n1 << ", " << &n2 << ", " << &n3; return 0; }