1. 虚基类vehicle

#include<iostream>
using  namespace  std;

class  Vehicle
{
public:
        int  MaxSpeed;
        int  Weight;
        
virtual
  void  Run()  {  cout  <<  "vehicle run!"  <<  endl;  }
          
virtual
  void  Stop()  {  cout  <<  "vehicle stop!"  <<  endl;  }
};
class  Bicycle  :virtual  public  Vehicle
{
public:
        int  Height;
    //补充Run函数输出"bicycle  run!"  
  
 void Run() { cout << "bicycle run!" << endl;  }

//补充Stop函数输出"bicycle  stop!"
  
   void Stop() { cout << "bicycle stop!" << endl; }


};
class  Motorcar  :virtual  public    Vehicle
{
public:
        int  SeatNum;

    //补充Run函数输出"motocar  run!"
      
  void Run() { cout << "motocar run!" << endl; }

  //补充Stop函数  "motocar  stop!"  
    void Stop() { cout << "motocar stop!" << endl; }

  //补充Stop函数  "motocar  stop!"  
      

};
class  Motorcycle  :public    Bicycle,  public  Motorcar
{
public:
        int  SeatNum;
          //补充Run函数输出  "motocycle  run!"
      

      //补充Stop函数  "motocycle  stop!"
      
    //补充Run函数输出  "motocycle  run!"
    void Run() { cout << "motocycle run!" << endl; }

//补充Stop函数  "motocycle  stop!"


    void Stop() { cout << "motocycle stop!" <<endl; }



};
int  main()
{
        Vehicle  v;
        v.Run();      //输出vehicle  run!
        v.Stop();      //输出vehicle  stop!
        Bicycle  b;
        b.Run();      //输出bicycle  run!
        b.Stop();      //输出bicycle  stop!
        Motorcar    m;
        m.Run();    //输出motocar  run!
        m.Stop();      //输出motocar  stop!
        Motorcycle  mc;
        mc.Run();      //输出motocycle  run!
        mc.Stop();      //输出motocycle  stop!
        Vehicle  *  vp  =  &v;
        vp->Run();      //输出vehicle  run!
        vp->Stop();      //输出vehicle  stop!
        vp  =  &b;
        vp->Run();    //输出bicycle  run!
        vp->Stop();    //输出bicycle  stop!
        vp  =  &m;
        vp->Run();      //输出motocar  run!
        vp->Stop();      //输出motocar  stop!
        vp  =  &mc;
        vp->Run();      //输出motocycle  run!
        vp->Stop();    //输出motocycle  stop!
        return  0;
}