#include <iostream.h>
#include <iomanip.h>

int main( void )
{
        int test_numbers[] = { -16, 16, -1, 1 };
        const int len = sizeof( test_numbers ) / sizeof( test_numbers[ 0 ] );
        for ( int i = 0; i < len; ++i ) {
                int n = test_numbers[ i ];
                unsigned u = n;
                cout << showbase;
                cout <<   "dec n: " << dec << n << "; n >> 2: " << ( n >> 2 )
                     << "\thex n: " << hex << n << "; n >> 2: " << ( n >> 2 )
                     << endl;
                cout <<   "dec u: " << dec << u << "; u >> 2: " << ( u >> 2 )
                     << "\thex u: " << hex << u << "; u >> 2: " << ( u >> 2 )
                     << endl;

        }
}