// Exercise 21.7 Solution #include using std::cout; using std::endl; using std::cin; using std::ios; #include #include using std::setiosflags; using std::hex; using std::oct; using std::dec; int main() { int integer; cout << "Enter an integer: "; cin >> integer; cout << setiosflags( ios::showbase ) << "As a decimal number " << dec << integer << "\nAs an octal number " << oct << integer << "\nAs a hexadecimal number " << hex << integer << endl; cout << "\nEnter an integer in octal format\n"; cin >> setiosflags( ios::showbase ) >> oct >> integer; cout << setiosflags( ios::showbase ) << "As a decimal number " << dec << integer << "\nAs an octal number " << oct << integer << "\nAs a hexadecimal number " << hex << integer << endl; cout << "\nEnter an integer in hexadecimal format\n"; cin >> setiosflags( ios::showbase ) >> hex >> integer; cout << setiosflags( ios::showbase ) << "As a decimal number " << dec << integer << "\nAs an octal number " << oct << integer << "\nAs a hexadecimal number " << hex << integer << endl; system("pause"); return 0; } /************************************************************************* * (C) Copyright 1992-2004 by Deitel & Associates, Inc. and * * Pearson Education, Inc. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * *************************************************************************/