// Listing 5.6 - demonstrates use

 // of default parameter values

 #include <iostream>

 

 int AreaCube(int length, int width = 25, int height = 1);

 

 int main()

 {

     int length = 100;

     int width = 50;

     int height = 2;

     int area;

 

     area = AreaCube(length, width, height);

     std::cout << "First time area equals " << area << "\n";

 

     area = AreaCube(length, width);

     std::cout << "Second time area equals " << area << "\n";

 

     area = AreaCube(length);

     std::cout << "Third time area equals " << area << "\n";

     return 0;

 }

 

 int AreaCube(int length, int width, int height)

 {

     return (length * width * height);

 }