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7) Create a Base class Train containing protected data members as Train_no, Train_Name. Derive a class Route (Route_id, Source, Destination) from Train class. Also derive a class Reservation(Number_Of_Seats, Train_Class, Fare, Travel_Date) from Route. Write a C++ program to perform following necessary functions : i. Enter details of ‘n’ reservations ii. Display details of all reservations iii. Display reservation details of a specified Train class .


					
                      
 
#include<iostream.h>

#include<conio.h>


#include

#include

class train

{

     protected:

	int tno;

	char tnm[20];

     public:

	void gettrain()

	{

	     cout<<"\n Enter Train Info : ";

	     cout<<"\n Train No   : ";

	     cin>>tno;

	     cout<<"\n Train Name : ";

	     cin>>tnm;

	}

	void puttrain()

	{
	     cout<<"\n Train Info ......... \n";

	     cout<<"\n Train No    : "<
	     cout<<"\n Train Name  : "<
	}

};

class route:public train

{

     protected:

	int rid;

	char source[20],dest[20];

     public:

	void getroute()

	{

	     gettrain();

	     cout<<"\n route id    : ";

	     cin>>rid;

	     cout<<"\n Source      : ";

	     cin>>source;

	     cout<<"\n destination : ";

	     cin>>dest;

	}

	void putroute()

	{

	     puttrain();

	     cout<<"\n Route Id     : "<
	     cout<<"\n Source       : "<
	     cout<<"\n Destination  : "<
	}

};

class reservation:public route

{

	 int seat,cls;

	 float fare;

	 char tdt[20];

      public:

	 void getres()

	 {


	       getroute();

	       cout<<"\n Total_seats : ";

	       cin>>seat;

	       cout<<"\n Train_class : ";

	       cin>>cls;

	       cout<<"\n Train_fare  : ";

	       cin>>fare;

	       cout<<"\n Trav_date   : ";

	       cin>>tdt;

	 }

	 void putres()

	 {

	      putroute();

	      cout<<"\n Total_seats : "<
	      cout<<"\n Train_class : "<
	      cout<<"\n Total_Fare  : "<
	      cout<<"\n Trav_date   : "<
	 }

	 void search(int s)

	 {

	      if(s==cls)

	      {

		   putres();

	      }

	 }

};

void main()

{

      int n,ch,i,cls;

      route r[20];

      reservation s[20];

      clrscr();

      while(1)

      {

	   cout<<"\n************** Menu *******************";

	   cout<<"\n 1: Accept details ";

	   cout<<"\n 2: Display All n details ";

	   cout<<"\n 3: Search train ";

	   cout<<"\n 4: Exit";

	   cout<<"\n Enter Choice : ";

	   cin>>ch;

	   switch(ch)

	   {


	       case 1 : cout<<"\n Enter How many records : ";

			cin>>n;

			cout<<"\n Enter "<
			for(i=0;i
			{

			    s[i].getres();

			}

			break;


		case 2 : for(i=0;i
			 {

			    s[i].putres();

			 }

			 break;


		case 3 : cout<<"\n Enter Train_class : ";

			 cin>>cls;

			 for(i=0;i
			 {

			   s[i].search(cls);

			 }

			 break;


		case 4 : exit(0);


	     default : cout<<"\n Invalid choice .........";

	   }


      }

      getch();


}

/*
     output


 2: Display All n details

 3: Search train       
                                                         
 4: Exit           
                                                             
 Enter Choice : 3         
                                                      
                                                                                
 Enter Train_class : 1

                                                                                
 Train Info .........

                              
                                                  
 Train No    : 101          
                                                    
 Train Name  : Pune_express           
                                          
 Route Id     : 1111           
                                                 
 Source       : Pune        
                                                    
 Destination  : mumbai     
                                                     
 Total_seats : 1500     
                                                        
 Train_class : 1        
                                                        
 Total_Fare  : 4500           
                                                  
 Trav_date   : 12/02/2015            
                                           
************** Menu *******************    
                                     
 1: Accept details       
                                                       
 2: Display All n details     
                                                  
 3: Search train         
                                                       
 4: Exit                
                                                        
 Enter Choice : 4       */

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