code.cpp

#include<iostream>
#include<string>
#include<cstring>
#include<fstream>
#include<ctime>
#include<cstdlib>
#include<Windows.h>

using namespace std;

int totalcost = 0;
string file_name;

int registration()
{
    char pass[13],phno[11];
    string name,username,line,name1; 
    int m;

    cout<<"\nEnter your name : ";
    cin>>name;
    
    do{
        cout<<"\nEnter your phone number : ";
        cin>>phno; 
    } while(strlen(phno) != 10);

    do
    {
        if(m == 0)
        {
            cout<<"\nUsername already Exists!!!\nRepeat the process!\n";
        }
        cout<<"\nCreate a Username : ";
        cin>>username;
        
        do
        {
            cout<<"\nNOTE : Password must be 12 characters long!\n";
            cout<<"\nCreate a Password : ";
            cin>>pass;
        } while (strlen(pass) != 12);
        
        ifstream infile("a.txt");

        if(!infile.is_open())
        {
            cout<<"\nFailed to open\n";
            return -1;
        }

        while(getline(infile,line))
        {
            if(line.find("Name: ") != string::npos)
            {
                name1 = line.substr(6);
            } 
            
            m = username.compare(name1);
            if(m == 0)
            {
                break;
            }
        }
         
        infile.close();

    }while(m == 0);
    
    {
        ofstream outFile("a.txt", ios::app);
        
        if(!outFile.is_open())
        {
            cout<<"\nError!\n";
            return 2;
        }
        
        outFile<<"User_Name: "<<name<<endl;
        outFile<<"Phone_Number: "<<phno<<endl;
        outFile<<"Name: "<<username<<endl;
        outFile<<"Pass: "<<pass<<endl;
        outFile<<"---------------------------------------------------"<<endl;
        outFile.close();
    }

    return 1;
}

void login()
{
    int a = 0;
    string name,name1,pass,line,pass1;
    do
    {
        if(a == 1)
        {
            cout<<"\nInvalid Username or Password!\n";
        }
        cout<<"\nEnter Username : ";
        cin>>name;
        cout<<"\nEnter Password : ";
        cin>>pass;

        ifstream infile("a.txt");

        if(!infile.is_open())
        {
            cout<<"\nFailed to open\n";
            return;
        }

        while(getline(infile,line))
        {
            if(line.find("Name: ") != string::npos)
            {
                name1 = line.substr(6);
            } 
            else if(line.find("Pass: ") != string::npos)
            {
                pass1 = line.substr(6);
            }
            if(name.compare(name1) == 0 && pass.compare(pass1) == 0)
            {
                cout<<"\nEntered Login Details are correct, you can continue\n";
                {
                    ofstream outFile;
                    file_name = name + ".txt";

                    outFile.open(file_name, ios::app);

                    if(!outFile.is_open())
                    {
                        cout<<"\nERROR : Unable to open a File!!\n";
                        exit(0);
                    }

                    outFile.close();
                }                
                a = 1;
                break;
            }
        }
        infile.close();
    } while (a != 1);
}

void authorization()
{
    int choice,n;

    cout<<"\nFor Registration[New User] press 1";
    cout<<"\nFor Login[Existing User] press 2";
    cout<<"\nEnter your choice : ";
    cin>>choice;
    
    switch(choice)
    {
        case 1 :    n = registration();
                    break;

        case 2 :    login();
                    goto x;
                    break;

        default :   break; 
    }

    do
    {    
        if(n == 1)
        {
            cout<<"\nRegistrstion Process Completed Successfully\nProceed : \n";
            login();
            break;
        }
        else
        {
            cout<<"\nRegistration Unsuccessful\nTry again\n";
            n = registration();
        }
    } while (n == 1);

    x : return;
}

struct node
{
    int train_num;
    int numoftickets;
    int cost;
    int ticket_num;
    string train_name;
    string typeoftickets; 
    string date_of_reservation;
    string gender;
    string categ;
    string aadhar;
    node *next;
};

typedef struct node* NODE;

//CODE FOR ADDING TICKETS OF TRAIN TO NODES

NODE book_ticket(NODE head,int num,int numoftickets,int cost,string name,string typeoftickets, int tnum,string date,string gen,string categ1,string aadhar1)
{
    NODE temp = new node;

    temp->train_num = num;
    temp->numoftickets = numoftickets;
    temp->cost = cost;
    temp->train_name = name;
    temp->typeoftickets = typeoftickets;
    temp->ticket_num = tnum;
    temp->date_of_reservation = date;
    temp->gender = gen;
    temp->categ = categ1;
    temp->aadhar = aadhar1;

    temp->next = head;
    
    return temp;
}

//CODE FOR READING DATA FROM THE FILE IF THE USERS WISH TO DELETE OR DISPLAY THE TRAIN TICKETS PURCHASED

int* readingDataFromFile(NODE head[]) 
{
    string train_name01, type_of_ticket01,line,date,gen3,categ3,aadhar3; 
    int i,count,j;
    int number[] = {11302,16534,16210,22691,12627,12649,22888,12253,15227,12214,22692,12648,12314,12312,13008,12952,12926,19020,12863,22306,22502,12301,12329,12311,12860,12321,18030,19568,16613,16331,12925,12903,19019,12859,12809,12322};
    int num_tickets = 0;
    int ticket_num = 0;
    int train_num = 0;
    int cost = 0;
    count = -1;
    int *ptr;
    int m = -1;
    ptr = &m;
    int *ticket = new int[36];  //dynamix arrays
    for (j = 0; j < 36;j++) {
        ticket[j] = 0;
    }

    ifstream file(file_name);
    if (!file.is_open()) {
        cerr << "Error opening file." << endl;
        return ptr;
    }
    while (getline(file, line)) {
        if (line.find("Train_Name: ") != string::npos) {
            train_name01 = line.substr(12); //To extract the train name
        } else if (line.find("Number_of_tickets: ") != string::npos) {
            num_tickets = stoi(line.substr(19)); //To extract the number of tickets
        } else if (line.find("Ticket_Number: ") != string::npos) {
           ticket_num = stoi(line.substr(15)); //To extract the ticket number
        } else if (line.find("Train_Number: ") != string::npos) {
            train_num = stoi(line.substr(14)); //To extract the train number
        } else if (line.find("Type_of_tickets: ") != string::npos) {
            type_of_ticket01 = line.substr(17); //To extract the type of seat reserved
        } else if(line.find("Date: ") != string::npos){
            date = line.substr(6); //To extract the date 
        } else if(line.find("Gender: ") != string::npos){
            gen3 = line.substr(8); //To extract the gender
        } else if(line.find("Category: ") != string::npos){
            categ3 = line.substr(10); //To extract the category
        } else if(line.find("Aadhar No: ") != string::npos){
            aadhar3 = line.substr(11); //To extract the category
        } else if (line.find("Cost: ") != string::npos) {
            cost = stoi(line.substr(6)); //To extract the cost
            
            totalcost += cost; 
            for(i = 0; i < 36; i++)
            {
                if(train_num == number[i])
                {
                    count = i;
                }         
            }
            if(count == -1)
            {
                return ptr;
            }
            //For adding a node to the linked list using the data extracted from the files.
            head[count] = book_ticket(head[count],train_num,num_tickets,cost,train_name01,type_of_ticket01,ticket_num,date,gen3,categ3,aadhar3);
            ticket[count] += num_tickets; 
        }
    }

    file.close();

    return ticket;
}

//function to store the values into the file
void StoringDataIntoFiles(NODE head[])
{
    int i;
    ofstream outFile(file_name);

    if (outFile.is_open())
    {
        for(i = 0;i < 36;i++)
        {
            while(head[i] != NULL)
            {
                outFile<<"Train_Name: "<<head[i]->train_name<<endl;
                outFile<<"Number_of_tickets: "<<head[i]->numoftickets<<endl;
                outFile<<"Ticket_Number: "<<head[i]->ticket_num<<endl;
                outFile<<"Train_Number: "<<head[i]->train_num<<endl;
                outFile<<"Type_of_tickets: "<<head[i]->typeoftickets<<endl;
                outFile<<"Date: "<<head[i]->date_of_reservation<<endl;
                outFile<<"Gender: "<<head[i]->gender<<endl;               
                outFile<<"Category: "<<head[i]->categ<<endl;
                outFile<<"Aadhar No: "<<head[i]->aadhar<<endl;
                outFile<<"Cost: "<<head[i]->cost<<endl;
                outFile<<"-----------------------------------------------------"<<endl;
                head[i] = head[i]->next;
            }
        }
        outFile.close();
    }
    else
        cout<<"Unable to open the file for writing.";
}

//FUNCTION TO CANCEL TICKETS OF TRAIN

NODE delete_ticket(NODE head,int value,int tick_number)
{
    if (head == NULL) {
        cout << "\nThere is no train tickets reserved in the number provided! \n";
        return head;
    }

    NODE temp = head;
    //To check if the first node matches the criteria for deletion.
    if (head->train_num == value && head->ticket_num == tick_number) {
        head = head->next;
        delete temp;
        cout << "\nReservation cancelled successfully\n";
        return head;
    }
    NODE one = NULL;
    NODE two = head;
    //To delete a node other than the first node. 
    while (two != NULL) {
        if (two->train_num == value && two->ticket_num == tick_number) {
            if (one != NULL) {
                one->next = two->next;
            }
            delete two;
            cout << "\nReservation cancelled successfully\n";
            return head;
        } else {
            one = two;
            two = two->next;
        }
    }
    cout << "\nERROR: Check the entered details\n";
    
    return head;
}

//FUNCTION TO DISPLAY THE TRAIN TICKETS BOOKED BY A USER
void display(NODE head[],int count)
{   
    NODE temp1 = head[count]; 
    if(temp1 != NULL)
    {
        cout<<"\nReservation details are : \n";
        while(temp1 != NULL)
        {
            cout<<"\nTrain Number : "<<temp1->train_num;
            cout<<"\nTicket Number : "<<temp1->ticket_num;
            cout<<"\nTrain Name : "<<temp1->train_name;
            cout<<"\nNumber of tickets : "<<temp1->numoftickets;
            cout<<"\nType of tickets : "<<temp1->typeoftickets;
            cout<<"\nDate of Reservation : "<<temp1->date_of_reservation;
            cout<<"\nGender : "<<temp1->gender;
            cout<<"\nCategory : "<<temp1->categ;
            cout<<"\nAadhar Number : "<<temp1->aadhar;
            cout<<"\nCost of ticket : "<<temp1->cost;
            cout<<endl;

            temp1 = temp1->next;
        }
    }
    else
    {
        cout<<"\nThere is no tickets reserved to display!!\n";
        return;
    }
}

//FUNCTION TO READ AND DISPLAY THE TRAINS AVAILABLE IF THE USERS WISH TO BOOK TICKETS
void details()
{
    int choice1;
    string line;

    do
    {
        cout<<"\nSelect SOURCE PLACE[Current Location] : \n";
        cout<<"1. Bengaluru\n2. Mumbai\n3. Kolkata\n4. Delhi\n";
        cout<<"Enter your choice : ";
        cin>>choice1;
    } while(choice1 < 1 || choice1 > 4);

    switch(choice1)
    {
        case 1 :    {
                        ifstream inputFile("bengaluru.txt");
                        if (!inputFile.is_open()) {
                            cerr << "Error! Cannot display the details!!!" <<endl;
                            return; // Return an error code
                        }
                        // Read data from the file
                        cout <<"\nFollowing Destination and Routes are available : \n";
                        while (getline(inputFile, line)) {
                            cout<<line<<endl;
                        }
                        // Close the file
                        inputFile.close();
                    }
                    break;

        case 2 :    {
                        ifstream inputFile1("mumbai.txt");
                        if (!inputFile1.is_open()) {
                            cout << "Error! Cannot display the details!!!"<<endl;
                            return; // Return an error code
                        }
                        // Read data from the file
                        cout <<"\nFollowing Routes are available : \n";
                        while (getline(inputFile1, line)) {
                            cout<<line<<endl;
                        }
                        // Close the file
                        inputFile1.close();
                    }
                    break;

        case 3 :    {
                        ifstream inputFile1("kolkata.txt");
                        if (!inputFile1.is_open()) {
                            cerr << "Error! Cannot display the details!!!"<<endl;
                            return; // Return an error code
                        }
                        // Read data from the file
                        cout <<"\nFollowing Routes are available : \n";
                        while (getline(inputFile1, line)) {
                            cout<<line<<endl;
                        }
                        // Close the file
                        inputFile1.close();
                    }
                    break;

        case 4 :    {
                        ifstream inputFile1("delhi.txt");
                        if (!inputFile1.is_open()) {
                            cerr << "Error! Cannot display the details!!!"<<endl;
                            return; // Return an error code
                        }
                        // Read data from the file
                        cout <<"\nFollowing Routes are available : \n";
                        while (getline(inputFile1, line)) {
                            cout<<line<<endl;
                        }
                        // Close the file
                        inputFile1.close();
                    }
                    break;

        default :   break;
    }
}

//FUNCTION TO CHECK IF THE ENTERED TRAIN NUMBER IS SAME AS THAT PRESENT IN THE DATABASE AT THE TIME OF BOOKING(ERROR HANDLING)

int tnum()
{
    int b,i,num,count;
    int number[] = {11302,16534,16210,22691,12627,12649,22888,12253,15227,12214,22692,12648,12314,12312,13008,12952,12926,19020,12863,22306,22502,12301,12329,12311,12860,12321,18030,19568,16613,16331,12925,12903,19019,12859,12809,12322};
    bool flag = true;
    b = 0;
    count = 0;
    while(flag)
    {
        if(b > 0)
        {
            cout<<"\nEntered details are wrong!\n";
        }
        cout<<"\nEnter the train number : \n";
        cin>>num;
        for(i = 0; i < 36; i++)
        {
            if(number[i] == num)
            {
                count = i;
                flag = false;
            }         
        }
        b++; 
    }
    return count;
}

//FUNCTION TO PURCHASE THE TICKETS

NODE reserve(NODE head[],int number[],int count,int num)
{
    int i,m,z,a,n1,n2,n3,n4,price,len,j,t_num,date,month,cost2222,count1,val;
    string name,fulldate,date1,month1,aad;
    NODE current;
    const char* tname[] = {"UDYAN EXPRESS", "JODHPUR EXPRESS","AJMER EXPRESS","RAJDHANI EXPRESS","KARNATAKA EXPRESS","KONGU EXPRESS","HWH HUMSAFAR","ANGA EXPRESS","MUZAFFARPUR EXPRESS","DEE YPR DURONTO","SBC RAJDHANI","KONGU EXP","SEALDAH RAJDHANI","KALKA MAIL","U A TOOFAN EXP","MUMBAI RAJDHANI","PASCHIM EXPRESS","DEHRADUN EXPRESS","HWH SMVB EXP","JSME SMVT EXP","NTSK SMVB EXP","RAJDHANI EXP","SAMPARK K EXP","NETAJI EXPRESS","GITANJALI EXP","MUMBAI MAIL","SHM LTT EXPRESS","VIVEK EXPRESS","RJT CBE EXP","TRIVANDRAM EXP","PASCHIM EXPRESS","GOLDEN TEMPLE","BDTS HW EXP","GITANJALI EXPRESS","HOWRAH MAIL","KOLKATA MAIL"};
    const char* type[] = {"Sleeper","AC","Non-AC"};
    const char* gen1[] = {"Male","Female","Others"};
    const char* cat[] = {"Children","Adult","Senior Citizen"};
    bool flag = true;
    a = 0;
    len = 36;
    cost2222 = 0;
    do
    {
        cout<<"\nEnter the number of tickets you want to reserve [<50]: \n";
        cin>>n1;
    } while(n1 < 1 || n1 > 50);

    for(z = 0; z < n1;z++)
    {
        do
        {
            cout<<"\nFor Ticket "<<(z + 1)<<endl;
            cout<<"\nGender : 1. MALE 2. FEMALE 3. Others -----> ";
            cin>>n3;
        } while (n3 < 1 || n3 > 3);
        
        do
        {
            cout<<"\nCategory : 1. Children 2. Adult 3. Senior Citizen -----> ";
            cin>> n4;
        } while (n4 < 1 || n4 > 3);

        do
        {
            cout<<"\nEnter what type of seat you want to reserve : 1. Sleeper 2. AC 3. Non-AC ----> ";
            cin>>n2;
        } while(n2 != 1 && n2 != 2 && n2 != 3);        

        do
        {
            cout<<"\nNOTE : \n1. Do not leave spaces after four digits.\n2. Enter in the following format : \n\t'123456789012'\n";
            cout<<"\nEnter Aadhar Number : ";
            cin>>aad;
            val = aad.length();
        } while (val != 12);
        
        for(i = 0; i < len; i++)
        {
            if(number[i] == num)
            {
                count = i;
            }        
        }
        {
            if(type[n2 - 1] == "Sleeper")
            {
                price = 800;
            }
            else if(type[n2 - 1] == "AC")
            {
                price = 2300;
            }
            else if(type[n2 - 1] == "Non-AC")
            {
                price = 1500;
            }
        }
        {
            cout<<"\nReservation for the following dates are available : ";//change the dates accordingly!
            cout<<"\nFrom 12/05/2024 till 30/07/2024\n";
            do
            {
                cout<<"\nEnter the date for which the Reservation must be done : ";
                cin>>date;
                cout<<"\nEnter the month for which the Reservation must be done : ";
                cin>>month;
            }while(!((date >= 12 && date <=31 && month == 5) || (date>= 1 && date<= 30 && month == 6) || (date>= 1 && date<= 30 && month == 7)));

            date1 = to_string(date);
            month1 = to_string(month);
            fulldate = date1 +"/"+ month1 + "/2024";
        }
        srand(time(NULL));
        
        t_num = (rand() % 600000) + 100000; 

        totalcost = totalcost + price;

        head[count] = book_ticket(head[count],num,(n1/n1),price,tname[count],type[n2 - 1],t_num,fulldate,gen1[n3 - 1],cat[n4 - 1],aad);

        cout<<"\nTicket Booked Successfully!\n";
    }

    return head[count];
}

int payment() 
{
    int n;
    string id;    
    const char* qrImagePath = "C:/Users/Connect/Desktop/aa.png";//change the path accordingly!
    cout<<"\nTo continue the payment process, enter 1\nTo go back enter any number other than 1 ----> ";
    cin>>n;

    if(n == 1)
    {
        // Open the QR code image using the default viewer
        HINSTANCE result = ShellExecuteA(NULL, "open", qrImagePath, NULL, NULL, SW_SHOWNORMAL);
        if ((int)result <= 32) {
        // An error occurred
        cerr << "Error opening the QR code" <<endl;
        return 1;  
        }      
        {
            cout<<"Instructions : \n";
            cout<<"Click on the new window which is opened\nAfter paying the money please enter the the transaction id or UTR number\nNOTE : Do not close the application till you enter the id or number!\n";

            cout<<"\nEnter the id : ";
            cin>>id;

            ofstream outFILE("paymentDetails.txt",ios::app);
            if(!outFILE)
            {
                cout<<"Please try again later!\n";
                return 1;
            }
            outFILE<<"ID: "<<id<<endl;
            outFILE<<"--------------------------------------------------------------------------"<<endl;

            outFILE.close();
        }
    }
    
    else
    {
        printf("Continue!\n");
    }
    return 0;
}

void feedback()
{
    int choice;
    char feedback[2500];
    char complaint[2500];
    cout<<"\nTo provide feedback please Enter 1! \n";
    cout<<"To raise a complaint please Enter 2! \n";
    cout<<"To return to main menu Enter 3! \n";
    cout<<"\n\nContact Information : \nE-mail : tripmate@gmail.com\nTelephone : 080-8796-2324\n";
    cout<<"\nEnter your choice : \n";
    cin>>choice;
    switch(choice)
    {
        case 1 :    {
                        cout<<"\nProvide the feedback in less than 250 words (To return to main menu click \"Enter\") : ";
                        cin.ignore();
                        cin.getline(feedback, 2500);
                        ofstream outFile("feedback.txt",ios::app);
                        if(!outFile)
                        {
                            cout<<"Please try again later!\n";
                            return;
                        }
                        else
                        {
                            outFile<<"Feedback: "<<feedback<<endl;
                            outFile<<"-------------------------------------------------------------"<<endl;
                        }
                        outFile.close();
                    }
                    break;
        case 2 :    {
                        cout<<"\nProvide the complaint in less than 250 words (To return to main menu click \"Enter\") : ";
                        cin.ignore(); // to clear the buffer
                        cin.getline(complaint, 2500);
                        ofstream outFile1("complaint.txt",ios::app);
                        if(!outFile1)
                        {
                            cout<<"Please try again later!\n";
                            return;
                        }
                        else
                        {
                            outFile1<<"Complaint: "<<complaint<<endl;
                            outFile1<<"--------------------------------------------------------------"<<endl;
                        }
                        outFile1.close();
                    }
                    break;
        
        case 3 :    break;

        default :   break;
    }               
}

void tcost()
{
    cout<<"\nTotal Cost : "<<totalcost;
    payment();
}

//FUNCTION TO DEALLOCATE MEMORY
void deallocateMemory2(NODE head) {
    NODE current = head;
    while (current != NULL) {
        NODE temp = current;
        current = current->next;
        delete temp;
    }
}

//FUNCTION FOR CARRYING OUT TRAIN RELATED OPERATIONS
int main()
{  
    int choice1,choice2,m,i,num,b,count,ttnum,j,x,count1,tickets,tick_num,a,tt,z,k,y;
    string name;
    bool flag = true;
    int number[] = {11302,16534,16210,22691,12627,12649,22888,12253,15227,12214,22692,12648,12314,12312,13008,12952,12926,19020,12863,22306,22502,12301,12329,12311,12860,12321,18030,19568,16613,16331,12925,12903,19019,12859,12809,12322};
    b = 0;
    x = 0;
       
    NODE head[36];
    for(m = 0; m < 36; m++)
    {
        head[m] = NULL;
    }

    authorization();


    while(true)
    {
        cout<<"\nPress 1 for Train related information and to manage yor tickets!\n";
        cout<<"Press 2 for Train reservation";
        cout<<"[ NOTE : This option is for regular travelers who are familiar with the routes to speed up their process! ]\n";
        cout<<"Press 3 for Other Operations!\n";
        cout<<"Press 4 to close the application!\n";
        cout<<"Enter your choice ----> ";
        cin>>choice1;
        if(choice1 == 4)
        {
            exit(0);
        }
        if(choice1 == 1 || choice1 == 2 || choice1 == 3)
        {
            break;
        }
    }
    
    switch(choice1)
    {
        case 1 :    details();
                    break;
        
        case 2 :    {
                        int* totalTickets = readingDataFromFile(head);
                        count = tnum();
                        z = 230 - totalTickets[count];
                        if(z>0)
                        {
                            cout<<"\n"<<z<<" Ticket(s) are available!BOOK FAST!!!";
                        }
                        if(totalTickets[count] >= 230)
                        {
                            cout<<"\nCannot Book tickets for this train as all the seats are filled!!!\n";
                        }
                        else
                        {
                            head[count] = reserve(head,number,count,number[count]);
                        }
                        StoringDataIntoFiles(head);
                    }
                    break;

        case 3 :    {
                        cout<<"\nPress 1 To display Total cost and continue with the Payment procedure!";
                        cout<<"\nPress 2 To provide Feedback or to file a Complaint!";
                        cout<<"\nEnter any other number to go back!";
                        cout<<"\nEnter your choice : ";
                        cin>>y;

                        if(y == 1)
                        {
                            {
                                totalcost = 0;
                                int* totalTickets = readingDataFromFile(head);
                                {
                                    count = tnum();
                                    display(head,count);
                                }
                                StoringDataIntoFiles(head);
                            }                           
                            tcost();
                        }
                        else if(y == 2)
                        {
                            feedback();
                        }
                        else
                        {
                            cout<<"\nContinue!\n";
                        }
                    }
                    break;

        default :   break;
    } 

    do{
        while(true)
        {
            cout<<"\nPress 0 if you want to see the train details\nPress 1 if you want to continue booking tickets\nPress 2 if you want to cancel the reservation\nPress 3 if you want to display the booked tickets\nPress 4 to display Total Cost\nPress 5 to provide feedback or file a complaint\nPress 6 to Exit\n";
            cin>>choice2;
            if(choice2 >= 0 && choice2 <= 6)
            {
                break;
            }
        }

        switch (choice2)
        {
            case 0 :    details();
                        break;

            case 1 :    {
                            int* totalTickets = readingDataFromFile(head);
                            count = tnum();
                            z = 230 - totalTickets[count];
                            if(z>0)
                            {
                                cout<<"\n"<<z<<" Ticket(s) are available! BOOK FAST!!!\n";
                            }
                            if(totalTickets[count] >= 230)
                            {
                                cout<<"\nCannot Book tickets for this train as all the seats are filled\n";
                            }
                            else
                            {
                                head[count] = reserve(head,number,count,number[count]);
                            }
                            StoringDataIntoFiles(head);
                            break;
                        }

            case 2 :    {
                            int* totalTickets = readingDataFromFile(head);
                            count1 = tnum();    
                            cout<<"\nEnter your ticket number : \n";
                            cin>>tick_num;
                            head[count1] = delete_ticket(head[count1],number[count1],tick_num);
                            StoringDataIntoFiles(head);
                            break;
                        }

            case 3 :    {
                            int* totalTickets = readingDataFromFile(head);
                            {
                                count = tnum();
                                display(head,count);
                            }
                            StoringDataIntoFiles(head);
                            break;
                        }

            case 4 :    {
                            totalcost = 0;
                            int* totalTickets = readingDataFromFile(head);
                            {
                                count = tnum();
                                display(head,count);
                            }
                            StoringDataIntoFiles(head);
                            tcost();
                            break;
                        }

            case 5 :    {
                            feedback();
                            break;
                        }

            case 6 :    {
                            int* totalTickets = readingDataFromFile(head);
                            StoringDataIntoFiles(head);
                            for (k = 0; k < 36; k++) {
                                deallocateMemory2(head[k]);
                            }
                            break;
                        }

            default :   break;

        }    
    }while(choice2 != 6);
}