#include<iostream>
using namespace std;
class father
{
private:
        int fatherheight,fatherweight;
public:
    void setfatherheight(int fatherheight){fatherheight=fatherheight;
    void setfatherweight(int fatherweight){fatherweight=fatherweight;
    void Showfatherheight()
    {
    cout<<"height="<<fatherheight<<"\t"<<"weight="<<fatherweight<<endl;
    }
};
class son: public
{
private:
    int sonwidth,sonlength;
public :
    void setwidth(int sonwidth){sonwidth=sonwidth;}
    void setlength(int sonlength){sonlength=sonlength;}
    void Showsondate(){cout<<"length="<<sonlength<<"\t"<<"width="<<sonwidth<<endl;
};
int main()
{
son a;                       
a.setfatherheight(160);
a.setfatherweight(60);
a.setsonwidth(60);
a.setsonlength(80);
a.Showfatherheightweight();
a.Showdatesondate();
return 0;
}
好像没错误吧，不知道错在哪，郁闷

谢谢了