第二周实验报告2

#include <iostream>using namespace std;//定义长方体类class Cub{public:void set_lwh();void count_va();void display();private:double length;double width;double heigth;double volume;double areas;};void Cub::set_lwh(){cout << "请输入长方形的长,宽,高：" ;cin >> length >> width >> heigth;}void Cub::count_va(){volume = length * width * heigth;areas = 2 * (length * width + width * heigth + length * heigth);}void Cub::display(){cout << "该长方形的体积是：" << volume << endl;cout << "该长方形的面积是：" << areas << endl;cout << endl;}int main(){Cub cu1, cu2, cu3;//定义三个长方体对象cu1.set_lwh();//调用对应的成员函数，为长方体设置属性cu1.count_va();//计算长方体的体积，表面积cu1.display();//输出长方体的体积，表面积cu2.set_lwh();cu2.count_va();cu2.display();cu3.set_lwh();cu3.count_va();cu3.display();return 0;}