#include <iostream>
using namespace std;

main()
{
  int i;
  char c;
  
  char *ptr;

  ptr = &c;

  cout << "size of int = " << sizeof(int) << endl;
  cout << "size of int variable = " << sizeof(i) << endl;

  cout << "size of char = " << sizeof(char) << endl;
  cout << "size of char variable = " << sizeof(c) << endl;

  cout << "size of char * = " << sizeof(char*) << endl;
  cout << "size of char* variable = " << sizeof(ptr) << endl;
}