#include<iostream.h>
 #include<stdio.h>
 #include<conio.h>

 /*************************************************************************///------------------------------  item  ---------------------------------///*************************************************************************/class item
    {
       private:
        char part_name[20];
        float part_price;

       public:
        void get_data();
        void show_data();
    };

 /*************************************************************************///------------------------------  sales  --------------------------------///*************************************************************************/class sales
    {
       private:
        float sales_fig[3];

       public:
        void get_data();
        void show_data();
    };

 /*************************************************************************///---------------------------  hardware_item  ---------------------------///*************************************************************************/class hardware_item:public item,public sales
    {
       private:
        char category[10];
        char manufacturers[10];

       public:
        void get_data();
        void show_data();
    };

 /*************************************************************************///--------------------------  software_item  ----------------------------///*************************************************************************/class software_item:public item,public sales
    {
       private:
        char category[10];
        char operating_system[10];

       public:
        void get_data();
        void show_data();
    };


 /*************************************************************************///----------------------------  get_data( )  ----------------------------///*************************************************************************/void item::get_data()
    {
       cout<<"\t Enter part name = ";
       gets(part_name);

       cout<<"\t Enter part price = ";
       cin>>part_price;
    }

 /*************************************************************************///----------------------------  show_data( )  ---------------------------///*************************************************************************/void item::show_data()
    {
       cout<<"\t Part name = "<<part_name<<endl;
       cout<<"\t Part price = "<<part_price<<endl;
    }


 /*************************************************************************///----------------------------  get_data( )  ----------------------------///*************************************************************************/void sales::get_data()
    {
       cout<<"\n Enter the Sales figures for three months : "<<endl;

       for(int count=0;count<3;count++)
      {
         cout<<"\t Sales for month  "<<count+1<<" = ";
         cin>>sales_fig[count];
      }
    }

 /*************************************************************************///----------------------------  show_data( )  ---------------------------///*************************************************************************/void sales::show_data()
    {
       cout<<"\n Sales figures for three months : "<<endl;

       for(int count=0;count<3;count++)
       cout<<"\t Sales for month  "<<count+1<<" = "<<sales_fig[count]<<endl;
    }


 /*************************************************************************///----------------------------  get_data( )  ----------------------------///*************************************************************************/void hardware_item::get_data()
    {
       item::get_data();

       cout<<"\t Enter the category = ";
       gets(category);

       cout<<"\t Enter the manufacturers = ";
       gets(manufacturers);

       sales::get_data();
    }

 /*************************************************************************///----------------------------  show_data( )  ---------------------------///*************************************************************************/void hardware_item::show_data()
    {
       item::show_data();

       cout<<"\t Category = "<<category<<endl;
       cout<<"\t Manufacturers = "<<manufacturers<<endl;

       sales::show_data();
    }


 /*************************************************************************///----------------------------  get_data( )  ----------------------------///*************************************************************************/void software_item::get_data()
    {
       item::get_data();

       cout<<"\t Enter the category = ";
       gets(category);

       cout<<"\t Enter the operating system = ";
       gets(operating_system);

       sales::get_data();
    }

 /*************************************************************************///----------------------------  show_data( )  ---------------------------///*************************************************************************/void software_item::show_data()
    {
       item::show_data();

       cout<<"\t Category = "<<category<<endl;
       cout<<"\t Operating system = "<<operating_system<<endl;

       sales::show_data();
    }

 main()
    {
       clrscr();

       hardware_item h;
       software_item s;

       cout<<"\n ********* Hardware Item ********"<<endl;
       h.get_data();

       cout<<"\n ********* Software Item ********"<<endl;
       s.get_data();

       getch();
       clrscr();

       cout<<"\n ********* Hardware Item ********"<<endl;
       h.show_data();

       cout<<"\n ********* Software Item ********"<<endl;
       s.show_data();

       getch();
       return 0;
    }