C++多重继承

#include <iostream>using namespace std;class Test{protected:int height;int width;public:void setvalue(int a,int b){height=a;width=b;}};class Cout{public:void output(int i);};void Cout::output(int i){cout<<"面积为:"<<i<<endl;}class Rectangle:public Cout,public Test{public:int area(){return(height*width);}};void main(){Rectangle rect;rect.setvalue(3,5);rect.output(rect.area());getchar();}