?? defaultparm.cpp
字號:
// 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);
}
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