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Here is a simple C++ program for students, the aim of this post is only help students who learn C++.

 
//PROGRAM - TRAIN RESERVATION #indude #include #include #include #include #include #include #include
 
class train {
private :
int trainno,nofafseat,nofasseat,noffsseat,nofacseat,nofssseat; char trainname[60],startingpoint[60],destination[60]; public :
train() {
trainno=0;
nofafseat=0;
nofasseat=0;
noffsseat=0;
nofacseat=0;
nofssseat=0;
strcpy(trainname,"/0");
strcpy(startingpoint,"/0");
strcpy(destination,"/0");
}
void input();        //To input the details void display();      //To display the details int returntr(); int returnaf();
 
 
int returnas(); int returnfs(); int returnac(); int returnss();
}tr;	
int train::returntr() {
return trainno;
}	
int train::returnaf()
{
return nofafseat;
}	
int train::returnas() {
return nofasseat;
}	
int train::returnfs()
{
return noffsseat;
}	
int train::returnac()
{
return nofacseat;
}	
int train::returnss()
{
return nofssseat;
}	11
 
void train::input()
{
clrscr();
gotoxy(10,10);
cout< <"ENTER THE TRAIN NUMBER ";
gotoxy(57,10);
cin>>trainno;
gotoxy(10,12);
cout< <"ENTER THE NUMBER OF A/C FIRST CLASS SEATS";
gotoxy(57,12);
cin>>nofafseat; gotoxy(10,14);
cout< <"ENTER THE NUMBER OF A/C SECOND CLASS SEATS";
gotoxy(57,14);
cin>>nofasseat;
gotoxy(10,16);
cout< <"ENTER THE NUMBER OF FIRST CLASS SLEEPER SEATS";
gotoxy(57,16);
cin>>noffsseat; gotoxy(10,18);
cout< <"ENTER THE NUMBER OF A/C CHAIR CAR SEATS"; gotoxy(57,18);
cin>>nofacseat;
gotoxy(10,20);
cout< <"ENTER THE NUMBER OF SECOND CLASS SLEEPER SEATS";
gotoxy(57,20);
cin>>nofssseat;
gotoxy(10,22);
cout< <"ENTER THE TRAIN NAME";
gotoxy(57,22);
gets(trainname);
gotoxy(10,24);
cout<<"ENTER THE STARTING POINT ";
gotoxy(57,24);
 
 
gets(startingpoint); gotoxy(10,26);
cout<<"ENTER THE DESTINATION ";
gotoxy(57,26);
gets(destination);
 
 
 
void train::display () {
clrscr();
gotoxy(10,10); cout<<"TRAIN NUMBER "; gotoxy(47,10);
cout<>n;
while(!fn.eof())
{
fn.read((char*)&tick,sizeof(tick));
 
gotoxy(10,10);
if(n==resno)
{
clrscr();
f=1;
gotoxy(10,10);
cout< <"NAME "; gotoxy(30,10) ; cout<>a;
if(a==y||a==Y) {
clrscr();
goto X;
}
else {
gotoxy(10,12);
cout< <"PRESS ANY KEY TO CONTINUE"; getch();
}
}
fn.close();
}
 
void tickets::reservation()
{
clrscr();
gotoxy(10,10); cout<<"RESERVATION "; gotoxy(10,12);
cout<<"ENTER THE TRAIN NO: ";
int tno,f=0; cin>>tno; ofstream file;
ifstream fin("Train1.dat",ios::out); fin.seekg(0);
if(!fin)
{
clrscr();
gotoxy(10,10); cout< <"ERROR IN THE FILE ";
clrscr();
while(!fin.eof())
{
fin.read((char*)&tr,sizeof(tr)); int z;
z=tr.returntr(); if(tno==z)
{
f=1;
nofaf=tr.returnaf();
nofas=tr.returnas();
noffs=tr.returnfs();
nofac=tr.returnac();
nofss=tr.returnss();
}
}
if(f==1)
{
file.open("Ticket1.dat",ios::app);
S:
clrscr();
gotoxy(10,10); cout<<"NAME:";
gets(name);
gotoxy(10,12); cout<<"AGE:";
cin>>age; clrscr();
gotoxy(10,10);
cout< <"SELECT THE CLASS WHICH YOU WISH TO
TRAVEL"; gotoxy(10,12);
cout<<"1.A/C FIRST CLASS " ; gotoxy(10,14);
cout<<"2.A/C SECOND CLASS " ;
gotoxy(10,16);
cout<<"3.FIRST CLASS SLEEPER " ;
gotoxy(10,18); cout<<"4.A/C CHAIR CAR " ;
gotoxy(10,20);
cout<<"5.SECOND CLASS SLEEPER ";
gotoxy(10,22);
cout<<"ENTER YOUR CHOICE "; gotoxy(30,22);
int c; cin>>c; switch(c) {
case 1:
toaf++;
resno=rand(); if((nofaf-toaf)>0)
{
strcpy(status,"confirmed");
gotoxy(10,24) ;
cout< <"STATUS";
gotoxy(30,24);
puts(status);
gotoxy(10,26); cout<<"RESERVATION NO";
gotoxy(30,26); cout<0)
{
strcpy(status,"confirmed");
gotoxy(10,24) ;
cout< <"STATUS";
gotoxy(30,24);
puts(status);
gotoxy(10,26); cout<<"RESERVATION NO";
gotoxy(30,26); cout<0)
{
strcpy(status,"confirmed");
gotoxy(10,24) ;
cout< <"STATUS";
gotoxy(30,24);
puts(status);
gotoxy(10,26); cout<<"RESERVATION NO";
gotoxy(30,26); cout<0)
{
strcpy(status,"confirmed");
gotoxy(10,24) ;
cout< <"STATUS";
gotoxy(30,24);
puts(status);
gotoxy(10,26);
cout<<"RESERVATION NO";
gotoxy(30,26);
cout<0) {
strcpy(status,"confirmed");
gotoxy(10,24) ;
cout< <"STATUS";
gotoxy(30,24);
puts(status);
gotoxy(10,26); cout<<"RESERVATION NO";
gotoxy(30,26); cout<>n;
if(n=='y'||n=='Y') {
goto S;
}
}
}
if(f==0)
{
clrscr();
gotoxy(10,10);
cout< <"ERROR IN THE TRAIN NUMBER ENTERED !!!"; getch();
}
file.close();
}
 
void tickets::cancellation()
{
clrscr(); ifstream fin;
fin.open("Ticket1.dat",ios::out);
 
ofstream file;
file.open("Temp1.dat",ios::app);
fin.seekg(0);
gotoxy(10,10);
cout<<"ENTER THE RESERVATION NO ";
int r,f=0;
cin>>r;
if(!fin)
 
cout< <"ERROR IN THE FILE !!!";
}
while(!fin.eof())
{
fin.read((char*)&tick,sizeof(tick)); int z;
z=ret(); if(z!=r)
{
file.write((char*)&tick,sizeof(tick));
}
if(z==r) {
f=1;
}
}
file.close(); fin.close();
remove("Ticket1.dat"); rename("Temp1.dat","Ticket1.dat");
if(f==0) {
gotoxy(10,12);
cout<<"NO SUCH RESERVATION IS MADE !!! PLEASE
RETRY	";
getch();
 
}
else
{
gotoxy(10,12);
cout<<"RESERVATION CANCELLED"; getch();
}
}
 
void main() {
int ch,r=1000,j;
clrscr();
gotoxy(33,22);
cout<<"WELCOME";
Z:
clrscr(); gotoxy(25,8) ;
cout<<"RAILWAY TICKET RESERVATION"; gotoxy(25,9);
cout<<"==========================";
gotoxy(20,15) ; cout<<"1.TRAIN DETAILS";
gotoxy(20,17);
cout<<"2.UPDATE TRAIN DETAILS ";
gotoxy(20,19);
cout<<"3.RESERVING A TICKET ";
gotoxy(20,21);
cout<<"4.CANCELLING A TICKET";
gotoxy(20,23);
cout<<"5.DISPLAY THE PRESENT TICKET STATUS ";
gotoxy(20,25);
cout<<"6.EXIT";
gotoxy(20,27);
cout<<"ENTER YOUR CHOICE: ";
 
 
cin>>ch; char n;
switch(ch) {
case 1: {
ifstream fin("Train1.dat",ios::out);
fin.seekg(0);
clrscr();
if(!fin)
{
clrscr();
gotoxy(10,10);
cout< <"ERROR IN THE FILE !!!";
}
else {
clrscr();
while(!fin.eof()) {
fin.read((char*)&tr,sizeof(tr)); tr.display();
}
}
fin.close(); goto Z;
}
case 2:
clrscr();
gotoxy(20,10);
cout<<"ENTER THE PASSWORD " ;
cin>>j;
gotoxy(20,30);
cout< <"CHECKING PLEASE WAIT	";
getch();
 
}
 
{
Y:
ofstream fout("Train1.dat",ios::app); tr.input();
fout.write((char*)&tr,sizeof(tr));
fout.close();
gotoxy(10,30);
cout<<"DO YOU WISH TO CONTINUE UPDATING ?(Y/N)";
cin>>n;
if(n==y||n==Y)
goto Y; goto Z;
}
else
goto Z;
 
case 3:
tick.reservation(); goto Z;
 
case 4:
tick.cancellation(); goto Z;
 
case 5:
tick.display(); goto Z;
 
case 6:
exit(0);
}
getch();
 

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