#include <iostream>
using namespace std;

int main () {
	cout << "size of double in bytes is " << sizeof(double) << endl;
	cout << "size of int    in bytes is " << sizeof(int)    << endl;
	cout << "size of char   in bytes is " << sizeof(char)   << endl << endl;

	char  a[] = "ACEGIKMOQSUWY";
	int   j   = (int)           a + 10;     // ordinary integer arithmetic
	int   i   = (int) ((double*)j - 2);     // pointer arithmetic (on doubles)
	int  *p   = (int*)          i + 3;      // pointer arithmetic (on ints)
	char *c   = (char*)         p + 3;      // pointer arithmetic (on chars)

	cout << (int *) a << " " <<  a << endl;
	cout << (int *) j              << endl;
	cout << (int *) i              << endl;
	cout <<         p << " " << *p << endl;
	cout <<         c << " " << *c << endl;
	cout << (char) ((*(c+1))+1)    << endl; // pointer and ordinary arithmetic

	return 0;
}