#include <iostream>

using namespace std;

int main(int argc, char **argv)
{
   int i;

   short x = -1;            // signed byte variable in C++

   // We now ask the C++ compiler to INTERPRET x (show us the value)
   cout << "signed number x: " << x << endl;   // Prints -1

   cout << "Bit pattern stored in x = ";
   for (i = 15; i >= 0; i-- )
      cout << !((x & (1<<i)) == 0);
   cout << endl << endl;

   unsigned short y;        // unsigned byte variable in C++       

   y = x;                   // Copies the content of x into y

   // We now ask the C++ compiler to INTERPRET y (show us the value)
   cout << "unsigned number y: " << y << endl;   // Prints 65535 (2^16 - 1)

   cout << "Bit pattern stored in y = ";
   for (i = 15; i >= 0; i-- )
      cout << !((y & (1<<i)) == 0);
   cout << endl << endl;

}