9月4号作业

#include 

using namespace std;

class an

{

private:

    string name;

public:

    an(){}

    an(string na):name(na)

    {}

    virtual void fun()=0;

};

class lion : public an

{

private:

    string name;

public:

    lion(){}

    lion(string na,string na2):an(na2),name(na)

    {}

    void fun()

    {

        cout << "name= " << name < 
  
    }
 
  
};
 
  
 
  
 
  
class tiger : public an
 
  
{
 
  
private:
 
  
    string name;
 
  
public:
 
  
    tiger(){}
 
  
    tiger(string na,string na2):an(na2),name(na)
 
  
    {}
 
  
    void fun()
 
  
    {
 
  
        cout << "name= " << name < 
  
    }
 
  
};
 
  
 
  
 
  
int main()
 
  
{
 
  
    tiger a("老虎","动物");
 
  
     lion b("狮子","动物");
 
  
    an *p=&a;
 
  
    p->fun();
 
  
    p=&b;
 
  
    p->fun();
 
  
 
  
    return 0;
 
  
}