fig03_23.cpp

来自「经典vc教程的例子程序」· C++ 代码 · 共 28 行

// Fig. 3.23: fig03_23.cpp
// Using default arguments
#include <iostream.h>

int boxVolume( int length = 1, int width = 1, int height = 1 );

int main()
{
   cout << "The default box volume is: " << boxVolume() 
	    << "\n\nThe volume of a box with length 10,\n"
        << "width 1 and height 1 is: " << boxVolume( 10 ) 
        << "\n\nThe volume of a box with length 10,\n" 
        << "width 5 and height 1 is: " << boxVolume( 10, 5 )
        << "\n\nThe volume of a box with length 10,\n"
        << "width 5 and height 2 is: " << boxVolume( 10, 5, 2 )
        << endl;

   return 0;
}

// Calculate the volume of a box 
int boxVolume( int length, int width, int height )
{ 
   return length * width * height;
}