?代碼：

#include<iostream>
using namespace std;class Cube
{
public:void setL(int l){m_L = l;}int getL(){return m_L;}void setW(int w){m_W = w;}int getW(){return m_W;}void setH(int h){m_H = h;}int getH(){return m_H;}int calculateS(){return 2 * (m_L + m_W + m_H) ;}int calculateV(){return m_L * m_W * m_H ;}bool isSameByClass(Cube &c){if (m_L == c.getL() && m_W == c.getW() && m_H == c.getH()){return true;}elsereturn false;}private:int m_L;int m_W;int m_H;	
};bool isSane(Cube &c1, Cube &c2)
{if (c1.getL() == c2.getL() && c1.getW() == c2.getW() && c1.getH() == c2.getH()){return true;}elsereturn false;
}int main()
{Cube c1;c1.setL(1);c1.setW(2);c1.setH(3);cout << "第一個立方體的長為：" << c1.getL() << endl;cout << "第一個立方體的寬為：" << c1.getW() << endl;cout << "第一個立方體的高為：" << c1.getH() << endl;cout << "第一個立方體的面積為：" << c1.calculateS() << endl;cout << "第一個立方體的體積為：" << c1.calculateV() << endl;Cube c2;c2.setL(1);c2.setW(2);c2.setH(3);cout << "第二個立方體的長為：" << c2.getL() << endl;cout << "第二個立方體的寬為：" << c2.getW() << endl;cout << "第二個立方體的高為：" << c2.getH() << endl;cout << "第二個立方體的面積為：" << c2.calculateS() << endl;cout << "第二個立方體的體積為：" << c2.calculateV() << endl;bool end1 = isSane(c1, c2);if (end1){cout << "相等" << endl;}elsecout << "不相等" << endl;bool end2 = c1.isSameByClass(c2);if (end2){cout << "相等" << endl;}elsecout << "不相等" << endl;system("pause");return 0;
}