4elist0507.cpp

《21天学通C＋＋》附盘的原代码。书上的每个例子在这里都有相应的C语言程序。

// Listing 5.7 - 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 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);
}