怎么把这个程序改成，show（）动态联编，可以输出多组数据的？

怎么把这个程序改成，show（）动态联编，可以输出多组数据的？

#include<bits/stdc++.h>
using namespace std;
class vehicle{//车类，作为基类

protected:

     int    MaxSpeed ,Weight   ;
          //最大速度，重量
public:
 void virtual show(){
 };

};

 

class bicycle: virtual public vehicle              {//自行车类：公有继承虚基类vehicle

protected:

     int Height     ; 
         //高度
  public:
    void Setdata1(int ms,int wt,int ht)
    { MaxSpeed=ms; Weight=wt; Height=ht;};
         void Show(){

         cout<<"公共属性：maxSpeed is"<<MaxSpeed<<",weight is"<<Weight

              <<",Bicycle属性：height is"<<Height<<endl;

}
};



class motorcar : public vehicle  {//摩托车类：公有继承自行车类和汽车类
protected:

     int  SeatNum  ;          //座位数
public:

     void Setdata(int ms,int wt,int sn)

     { MaxSpeed=ms; Weight=wt;SeatNum=sn; };

     void Show(){

        cout<<"公共属性：maxSpeed is"<<MaxSpeed<<",weight is"<<Weight

              <<",Vehicle属性:seatNum is"<<SeatNum<<endl;
     }

};

main(){

    
     bicycle mt;
     motorcar mr;
     while(1){
  
     cout<<"Bicycle请输入－0\n"<<"Motocar请输入－1\n"<<"退出结束－2\n";
     cout<<"请输入:";
  int m;
  cin >>m;
  int maxspeed1,weight1,height1,seatnum1;
     
  
    switch(m){
    case 0:
     cout<<"请输入maxSpeed:" ; 
   cin>>maxspeed1;
  
   cout<<"请输入weight:";
   cin>>weight1;
   
   cout<<"请输入height:";
   cin>>height1;
     mt.Setdata1(maxspeed1,weight1,height1);
    break;
   
  
    case 1:
   cout<<"请输入maxSpeed:" ; 
   cin>>maxspeed1;
  
   cout<<"请输入weight:";
   cin>>weight1;
   
   cout<<"请输入seatNum:";
   cin>>seatnum1;
     mr.Setdata(maxspeed1,weight1,seatnum1);
     break;
     case 2:
     mt.Show();
     
     mr.Show();
     
     system("pause");
     return 0;
}


}
}