fig02_14.cpp

来自「《c＋＋大学教程》源码」· C++ 代码 · 共 45 行

// 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



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