cout << "Enter
a number between 0 and 28: ";
cin >> key;
printHeader( arraySize );
// search for key in array a
int result =
binarySearch( a, key, 0, arraySize - 1, arraySize );
// display results
if ( result != -1 )
cout << '\n' <<
key << " found in array element "
<< result << endl;
else
cout << '\n'
<< key << " not found"
<< endl;
return 0;
// indicates successful termination
} // end main