where is the errors?

#include

#include

#include

#include

using namespace std;

//Global variables

const int size=100; // Number of rooms (size of room array)

int count=0;

//Structures Declaration

struct date{

int day;

int month;

int year;

};

struct reserv_info{

string name;

string pho_num;

int no_room; // room number

int no_resroom; // number of rooms

char roomtyp;

date checkin;

date checkout;

int no_days;

} room[size];

//Functions Prototypes

void readData(reserv_info arr[]);

// void writeData(reserv_info arr[], int count);

int menu();

void add_reserv(reserv_info a[],int &count);

void delete_reserv(reserv_info arr[] ,int &count);

void update_reserv(int count);

void sort_reserv(int count);

bool emptyArray (int count);

int search(int count); //search by phone number.

void show_reserv(int i);

void print_reserv(int count);

void app_reserv(reserv_info arr[], int count);

// void copyfile(reserv_info arr[], int count);

//Functions Definition:

void readData(reserv_info room[]){

string line;

ifstream iFile("hotel.txt",ios::in);

ofstream oFile("hotel.txt",ios::app);

if(oFile.is_open() && iFile.is_open()){

oFile<<"Data of the Guste: "<

while(!iFile.eof()){

iFile >> room[count].name;

iFile >> room[count].pho_num;

iFile >> room[count].no_room;

iFile >> room[count].no_resroom;

iFile >> room[count].roomtyp;

iFile >> room[count].checkin.day;

iFile >> room[count].checkin.month;

iFile >> room[count].checkin.year;

iFile >> room[count].checkout.day;

iFile >> room[count].checkout.month;

iFile >> room[count].checkout.year;

iFile >> room[count].no_days;

count++;

for(int i=0;count

oFile<<"Guste "<

oFile << room[count].name<<"\t";

oFile << room[count].pho_num<<"\t";

oFile << room[count].no_resroom<<"\t";

oFile << room[count].roomtyp<<"\t(";

oFile << room[count].checkin.day<<"/";

oFile << room[count].checkin.month<<"/";

oFile << room[count].checkin.year<<")\t(";

oFile << room[count].checkout.day<<"/";

oFile << room[count].checkout.month<<"/";

oFile << room[count].checkin.year<<")\t";

oFile << room[count].no_days<<" "<<"__________________ ";

oFile<

}

getline(iFile,line); // read from original file

oFile<< line << endl; // write to backup file

oFile.close();iFile.close();}

}

else

cout<<"The File didn't open!. ";

}

//void writeData(reserv_info a[], int count){

// ofstream oFile("hotel.txt",ios::app);

// if(oFile.is_open()==true){

// oFile<<"Data of the Guste: "<

// while(!oFile.eof()){

// for(int i=0;i

// oFile<<"Guste "<

// oFile << a[i].name<<"\t";

// oFile << a[i].pho_num<<"\t";

// oFile << a[i].no_resroom<<"\t";

// oFile << a[i].roomtyp<<"\t(";

// oFile << a[i].checkin.day<<"/";

// oFile << a[i].checkin.month<<"/";

// oFile << a[i].checkin.year<<")\t(";

// oFile << a[i].checkout.day<<"/";

// oFile << a[i].checkout.month<<"/";

// oFile << a[i].checkin.year<<")\t";

// oFile << a[i].no_days<<" "<<"__________________ ";

// oFile<

// }

// oFile.close();}

// }

//

//cout<<"The File didn't open!. ";

//}

//void copyfile(reserv_info a[], int count){

// ofstream oFile("read_hotel.txt",ios::out);

// ifstream iFile("write_hotel.txt",ios::in);

// if(oFile.is_open()==true && iFile.is_open()==true){

// for(int i=0;i

// while (!iFile.eof()){

// getline(iFile,a[i].name);

// oFile<

// getline(iFile,a[i].pho_num);

// oFile<

//

// }oFile.close();iFile.close();

// }

// }else{cout<<"The File didn't open!. ";}

//}

int menu()

{

int choice;

cout<<" Please choose a task:"

<<" 1 - Add a new reservation"

<<" 2 - Delete a Guste"

<<" 3 - Update a Guste"

<<" 4 - View all reservation of Guste"

<<" 5 - Find Guste by phone number"

<<" 6 - sort Guste by date of check in"

<<" 7 - Exit"

<<" ***********************************"

<<" >> ";

cin>>choice;

return choice;

}//end of menu

void add_reserv(reserv_info g[], int &count){

cout<<"Please Enter Guste Information: ";

cout<<" Guste Name: "; cin.ignore(); getline(cin, room[count].name);

cout<<" Phone Number: ";cin>>g[count].pho_num;

cout<<" Number Of Rooms To Reserve: "; cin>>g[count].no_resroom;

cout<<" Guest Room Type (M for master/ R for Regular ): "; cin>>g[count].roomtyp;

cout<<" Date of Checkin (DD-MM-YYYY): ";

cout<<" Day (1-31): "; cin>>g[count].checkin.day;

cout<<"Month (1-12): "; cin>>g[count].checkin.month;

cout<<"Year: " ; cin>>g[count].checkin.year;

cout<<" Date of Checkout (DD-MM-YYYY): ";

cout<<" Day (1-31): "; cin>>g[count].checkout.day;

cout<<"Month (1-12): "; cin>>g[count].checkout.month;

cout<<"Year: " ; cin>>g[count].checkout.year;

cout<<" Number Of Reserved Days: "; cin>>g[count].no_days;

count++;

} //end of add_record

void show_reserv(int i){

cout<< (i+1) << " Guest name: " << room[i].name<< " Phone number: "

<< room[i].pho_num<< " Room number: "<

<< " Number of reserve room: " <

<< room[i].roomtyp <<" Number of days: "<

<< " Date of check in (DD-MM-YYYY): "<< room[i].checkin.day<<"/"<< room[i].checkin.month<<"/"<< room[i].checkin.year

<<" Date of chech out (DD-MM-YYYY): "<< room[i].checkout.day<<"/"<

// << " Reservation cost: " << room[i].cost

cout<< " _________________________________________________";

}

void print_reserv(int count){

// print all reservations //

for(int i=0; i

show_reserv(i);

} // end of the print record//

bool emptyArray(int count)

{

if (count==0)

{

cout<<" ERROR: Rooms is empty!! ";

return true;

}//end if

return false;

}//end of empty Array

int search(int count){

//classic search by phone number

string phone;

cout<<" Please enter a Guest Phone Number:";

cin>>phone;

for (int i=0;i

if (room[i].pho_num==phone)

return i;

return -1; //i.e. not found

}//end of search by Phone Number.

void sort_reserv(int count){

// sort chick in by increase

bool order = false;

reserv_info temp;

if (count < 2)

cout<<"Nothing to sort";

for(int i=0; i

order=true;

for ( int j=0; j

if(room[j].checkin.day>= room[j+1].checkin.day && room[j].checkin.month>= room[j+1].checkin.month && room[j].checkin.year>= room[j+1].checkin.year)

order=false;

temp= room[j];

room[j]=room[j+1];

room[j+1] = temp; }

//end the first for loop

cout<< " Check in sorted from the nearest reservation "; } }

void delete_reserv(reserv_info arr[] ,int &count){

int index=search(count);

if (index<0)

{

cout<<" Not found!! ";

return; //exit from the function

}//end if

//delete if found index>=0

for (int j=index; j< count; j++)

room[j]=room[j+1];

count--;

cout<<" The Guest deleted successfully. ";

}//end of delete_reserv.

void update_reserv(int count){

// update number of days only //

int index=search(count);

if (index<0)

{

cout<<" Not found!! ";

return; //exit from the function

}//end if

// ubdate if found index > 0 //

cout<< " old number of days : "<< room[index].no_days;

cout<< "new number of days : ";

cin>>room[index].no_days;

// room[index].cost=price(room[index].roomtyp, room[index].no_resroom, room[index].no_days); //calculate new coast//

cout<<"number of rooms updated successfully";

// end of update reservation //

}

int main (){

// copyfile(room, count);

int choice;

cout<<" <________________.Welcom to our hotel sestm.________________> ";

//show a menu to the user

do{

choice=menu();

switch (choice){

case 1: //Add new reservation

if (count

add_reserv(room,count);

cout<<"Added successfully";}

else{

cout<<" ERROR: The rooms is full.You need to delete items first!";}

break;

case 2: // delete reservation //

if(!emptyArray(count))

delete_reserv(room, count);

cout<<"item deteted successfully";

break;

case 3: // update number of days//

if(!emptyArray(count))

update_reserv(count);

cout<<"item updeted successfully";

break;

case 4: // print all reservations //

if(!emptyArray(count))

print_reserv(count);

cout<<" ";

break;

case 5: // Find a guste by phone number//

if (!emptyArray(count))

{ int i=search(count);

if (i>=0)

show_reserv(i);

else

cout<<" Not found!! ";

}//end

break;

case 6: // sort reservation //

if (!emptyArray(count))

sort_reserv(count);

break;

case 7: // exit from the menu//

cout<< "***You exit the system***"<

break;

default: cout<< " incorrect menu option ";}

}while(choice!=7);

readData(room);

// writeData( room,count);

return 0;} //end of main function.