题解 | 设计立方体类

#include<iostream>
using namespace std;

class Cube
{
public:
	int length;
	int width;
	int height;
	int getArea(void);
	int getVolume(void);
    void setLength(int l);
    void setWidth(int w);
    void setHeight(int h);
    int getLength() { return length; }
    int getWidth() { return width; }
    int getHeight() { return height; }
};

int Cube::getArea(void)
{
	return 2 * (length * width + length * height + width * height);
}
int Cube::getVolume(void)
{
	return length * width * height;
}
void Cube::setLength(int l)
{
    this->length = l;
}
void Cube::setWidth(int w)
{
    this->width = w;
}
void Cube::setHeight(int h)
{
    this->height = h;
}
int main() {

    int length, width, height;
    cin >> length;
    cin >> width;
    cin >> height;

    Cube c;
    c.setLength(length);
    c.setWidth(width);
    c.setHeight(height);

    cout << c.getLength() << " "
        << c.getWidth() << " "
        << c.getHeight() << " "
        << c.getArea() << " "
        << c.getVolume() << endl;

    return 0;
}