//Indian Railways - Ticket Reservation
//http://highfile.ucoz.com
#include<fstream.h>
#include<conio.h>
#include<stdio.h>
#include<math.h>
#include<string.h>
#include<process.h>
char from[30],to[30];
void detail()
{
cout<<"From"<<endl;
gets(to);
cout<<"To"<<endl;
gets(from);
}
class railways
{ char station[30];
unsigned int distance;
float fare;
public:
void ad_data()
{
cout<<"Enter Railway Station name"<<endl;
gets(station);
cout<<"enter its distance from Jammu Tawi"<<endl;
cin>>distance;
}
void amount(int a,int b,int c)
{ cout<<"total distance="<<fabs((a-b))<<"\ncharges per/km="<<c;
fare=fabs((a-b))*c;
cout<<"\nticket cost ="<<fare;
}
unsigned int dist()
{ return distance;
}
char* station_v()
{
return station ;
}
void modify()
{ cout<<"\nEnter new railway station\n";
gets(station);
cout<<"\nenter its distance from jammu tawi\n";
cin>>distance;
}
}tr;
void main()
{ clrscr();
unsigned int per_km=5,choice, d1=0,d2=0,i;
char station_searched[30];
while(1)
{ clrscr();
cout<<"\n\t\t\tWELCOME TO INDIAN RAILWAYS\n";
for(i=0;i<80;i++)
{ cout<<"-";}
cout<<"Enter your choice \n\t1:->Add new railway station\n\t2:->Book ticket"<<endl;
cout<<"\t3:->Change per km rates\n\t4:->modify database of train\n\t5:->exit\n";
for(i=0;i<80;i++)
{ cout<<"-";}
cin>>choice;
while(choice==1)
{ ofstream of1("train.dat",ios::binary|ios::app);
tr.ad_data();
of1.write((char*)&tr,sizeof(tr));
of1.close();
break;
}
while(choice==2)
{
ifstream of1("train.dat",ios::binary);
detail();
while(of1)
{
of1.read((char*)&tr,sizeof(tr));
if(0==stricmp(from,tr.station_v()))
{d1=tr.dist(); }
if(0==stricmp(to,tr.station_v()))
{d2=tr.dist();}
if(d1 && d2)
{
tr.amount(d1,d2,per_km);
getch();
break;
}
if(of1.eof())
{ cout<<"\nstations not found check your spelling\n";
getch();
}
}
of1.close();
break;
}
if(choice==3)
{ cout<<"Enter new per km rates";
cin>>per_km;
}
if(choice==4)
{ cout<<"enter the railway station to be changed";
gets(station_searched);
ifstream f1("train.dat",ios::binary);
while(f1 )
{ f1.read((char*)&tr,sizeof(tr));
long pos=f1.tellg();
if(0==strcmp(station_searched,tr.station_v()))
{ f1.seekg((-1*sizeof(tr),ios::cur));
tr.modify();
f1.close();
ofstream f1("train.dat",ios::app);
f1.seekp(pos,ios::beg);
f1.write((char*)&tr,sizeof(tr));
cout<<"record modified";
f1.close();
break;
}
else if(f1.eof())
{
cout<<"\nStation not found\n";
getch();
} }
}
if(choice==5)
{ cout<<"\nTHANKYOU FOR USING INDIAN RAILWAYS ";
getch();
exit(0);
}
if(choice!=1&&choice!=2&&choice!=3&&choice!=4&&choice!=5)
{ cout<<"entered wrong choice PROGRAM IS ABORTING!!!!!!";
getch();
exit(0);
}
}
getch();
}
