fig02_14.cpp

《c＋＋大学教程》源码

// Fig. 2.14: fig02_14.cpp
// Preincrementing and postincrementing.
#include <iostream>

using std::cout;
using std::endl;

// function main begins program execution
int main()
{
   int c;                     // declare variable

   // demonstrate postincrement
   c = 5;                     // assign 5 to c
   cout << c << endl;         // print 5
   cout << c++ << endl;       // print 5 then postincrement
   cout << c << endl << endl; // print 6

   // demonstrate preincrement
   c = 5;                     // assign 5 to c
   cout << c << endl;         // print 5
   cout << ++c << endl;       // preincrement then print 6
   cout << c << endl;         // print 6

   return 0;   // indicate successful termination

} // end function main



/**************************************************************************
 * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice      *
 * Hall. 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.                     *
 *************************************************************************/