Write a C++ program Illustrates virtual base classes.

#include <iostream.h> 
 #include <conio.h> 
 class product 
 { 
        protected: 
                            char name[10]; 
                            int price; 
        public: 
                            void in() 
                       { 
                              cout<<"Enter Name : "; 
                              cin>>name; 
                              cout<<"Enter Price : "; 
                              cin>>price; 
                       } 
                           void disp() 
                      { 
                            cout<<"Name is : "<<name; 
                            cout<<"\nPrice : "<<price<<'\n'; 
                      } 
 }; 
                          class warehouse: virtual public product 
                              { 
                                  protected: 
                                                       char wname[10]; 
                                  public: 
                                                       void inl() 
                                                         { 
                                                             cout<<"Name of the Warehouse having the Product : "; 
                                                             cin>>wname; 
                                                          } 
                                                       void disp() 
                                                         { 
                                                             cout<<"Warehouse Name : "<<wname<<'\n'; 
                                                         } 
                              }; 
                         class stax : virtual public product //virtual base class 
                             { 
                                   protected: 
                                                      int staxl; 
                                   public: 
                                                    void in2() 
                                                      { 
                                                              cout<<"Sales Tax : "; cin>>staxl; 
                                                      } 
                                                    void disp() 
                                                     { 
                                                              cout<<"Sales Tax : "<<staxl<<'\n'; 
                                                      } 
                               }; 
                           class totprice : public warehouse, public stax 
                               { 
                                      public: 
                                                  void disp() 
                                                   { 
                                                         product::in(); 
                                                         warehouse::inl(); 
                                                         stax::in2(); 
                                                         product:: disp(); 
                                                         warehouse::disp(); 
                                                          stax::disp(); 
                                                   } 
                              }; 
                                     void main() 
                                { 
                                         clrscr(); 
                                         totprice p1; 
                                         p1.disp(); 
                                         getch(); 
                                }