CS201 Introduction to ProgrammingAssignment No. 03 Semester Fall 23 December 2011

[Vuhelper]

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Problem Statement: Flight Reservation System

Write a program for Flight Reservation System which reserves the tickets for passengers of an Air Line according to their requirements.

Detailed Description:

In the program, you are required to make a structure with name 'Reservation' and following are the data members of structure.

 Passenger Name
 Passenger Address
 Date of flight
 Destination to travel
 Flight No
 Seat No

In the main() function, create of variable of type Reservation. The variable of type Reservation should be created dynamically using memory allocation function. After that, create following user defined function as discussed below:

GetData(), this function will set the values of above created structure variable according to the inputs taken from user. It will prompt user to enter required information for the, Passenger Name, Passenger Address, Destination, Date of flight. User will be provided three options for the destination that is: Karachi, Lahore and Peshawar.

Assigning Flight No and Seat No:

The user will chose one of three destinations and program will assign an appropriate Flight No for the passenger. The Flight No will be assigned as below:

Destination Flight No.
Karachi 201
Peshawar 233
Lahore 241

After Assigning Flight No, the Seat No. will be assigned randomly which can be any number from 0 to 200.

After assigning the values for the above created variable of Reservation structure, the structure will be passed to another user defined function WriteData() for writing it to the file.


In the function WriteData(), you are required to create a new text file name “data.txt” in same folder/directory where you have saved your .cpp file. Open this file by using file handling functions and then write all Reservation information in that file.

At the end, read all the data from file by creating a function named ReadData() and display the file contents on the screen.


Points To Remember:

Following points should be kept in mind and handled accordingly, otherwise marks will be deducted.

 Reading and writing from text file, must be done with standard file handling functions provided in handouts.
 All data members must be declared and initialized with appropriate data type.
 Exceptional cases must be kept in mind and handled accordingly while taking input from user.
 User must be prompted if there is any error while:

◦ Creating a file.
◦ Opening a file for reading/ writing.

[UmmUlBaneen]

is ka solution kab tak aye ga ?

[rabeel]

jab ban jay ga tab ah jay ga. don't worry.

[tanzilminhas]

jab date guzer jay gi..

[sonia anam]

plz solution bhej dyn main ny slove krny ki koshish but i can't do.

[Vuhelper]

<iostream.h>
#include <string.h>
#include <stdlib.h>
#include <fstream.h>
using namespace std;
int random(int i)
{
return rand()%i; }
struct Reservation
{
string Passenger_Name;
string Passenger_Address;
string Date_of_Flight;
string Destination_to_travel;
int Flight_No;
int Seat_No; };
void GetData(Reservation[],int);
void WriteData(Reservation[], int);
void ReadData(Reservation[], int);
main()
{
Reservation *res;

Quote:#include

int i;
cout<<"How many reservation you want: ";
cin>>i;
res = new Reservation[i];
GetData(res, i);
system("pause"); }
void GetData(Reservation st[], int nn)
{
string n;
char ch;
int l;
for(int j=1;j<=nn;j++)
{
cout<<"Enter Passenger Name for Passenger "<<j<<" : ";
cin>>n;
st[j-1].Passenger_Name=n;
cout<<"Enter Passenger Address for Passenger "<<j<<" : ";
cin>>n;
st[j-1].Passenger_Address=n;
cout<<"Enter Date of Flight for Passenger "<<j<<" : ";
cin>>n;
st[j-1].Date_of_Flight=n;
cout<<"Enter Destination_to_travel for
Passenger "<<j<<" : ";
cout<<"Please Select from given"<<endl;
cout<<"k for karachi"<<endl;
cout<<"p for peshawar"<<endl;
cout<<"L for lahore"<<endl;
cin>>ch;
if( ch == 'p')
{

st[j-1].Destination_to_travel="Peshawar";
st[j-1].Flight_No=233;
st[j-1].Seat_No=random(200); }
if( ch == 'k')
{
st[j-1].Destination_to_travel="Karachi";
st[j-1].Flight_No=201;
st[j-1].Seat_No=random(200); }
if( ch == 'l')
{
st[j-1].Destination_to_travel="Lahore";
st[j-1].Flight_No=241;
st[j-1].Seat_No=random(200); }
else if( !(ch == 'p' || ch == 'k' || ch == 'l'))
{
cout<<"Please select from list:"<<endl; } }
WriteData(st, nn); }
void WriteData(Reservation abc[], int nn)
{
ofstream myfile ("abc.txt");
if (myfile.is_open())
{
for(int j=1;j<=nn;j++)
{
myfile <<abc[j-1].Passenger_Name<<endl;
myfile <<abc[j-1].Passenger_Address<<endl;
myfile <<abc[j-1].Date_of_Flight<<endl;
myfile <<abc[j-1].Destination_to_travel<<endl;
myfile <<abc[j-1].Flight_No<<endl;
myfile <<abc[j-1].Seat_No<<endl; }
myfile.close(); }

else cout << "Unable to open file";
ReadData(abc, nn); }
void ReadData(Reservation[], int)
{
string line;
ifstream myfile ("abc.txt");
if (myfile.is_open())
{
while ( myfile.good() )
{
getline (myfile,line);
cout << line << endl; }
myfile.close(); }
else cout << "Unable to open file";

}

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