Can anyone help me to construct a coding flowchart for this program coding? Thank you!

#include

#include

#include

#include

#include

#include

using namespace std;

class hotel

{

int room_no;

char name[30];

char address[50];

char phone[10];

public:

void main_menu();

void add();

void display();

void rooms();

void edit();

int check(int);

void modify(int);

void delete_rec(int);

void bill(int);

};

void hotel::main_menu()

{

int choice;

while(choice!=5)

{

system("cls");

cout<<" \t\t\t\t*************************";

cout<<" \t\t\t\t SIMPLE HOTEL MANAGEMENT ";

cout<<" \t\t\t\t * MAIN MENU *";

cout<<" \t\t\t\t*************************";

cout<<" \t\t\t1.Book A Room";

cout<<" \t\t\t2.Customer Records";

cout<<" \t\t\t3.Rooms Allotted";

cout<<" \t\t\t4.Edit Record";

cout<<" \t\t\t5.Exit";

cout<<" \t\t\tEnter Your Choice: ";

cin>>choice;

switch(choice)

{

case 1: add();

break;

case 2: display();

break;

case 3: rooms();

break;

case 4: edit();

break;

case 5: break;

default:

{

cout<<" \t\t\tWrong choice.....!!!";

cout<<" \t\t\tPress any key to continue....!!";

getch();

}

}

}

}

void hotel::add()

{

system("cls");

int r,flag;

ofstream fout("Record.dat",ios::app);

cout<<" Enter Customer Detalis";

cout<<" ----------------------";

cout<<" Room no: ";

cout<<" Total no. of Rooms - 50";

cout<<" Ordinary Rooms from 1 - 30";

cout<<" Luxuary Rooms from 31 - 45";

cout<<" Royal Rooms from 46 - 50";

cout <<" Enter The Room no. you want to stay in :- "<

cin>>r;

flag=check(r);

if(flag)

cout<<" Sorry..!!!Room is already booked";

else

{

room_no=r;

cout<<" Name: ";

cin>>name;

cout<<" Address: ";

cin>>address;

cout<<" Phone No: ";

cin>>phone;

fout.write((char*)this,sizeof(hotel));

cout<<" Room is booked...!!!";

}

cout<<" Press any key to continue.....!!";

getch();

fout.close();

}

void hotel::display()

{

system("cls");

ifstream fin("Record.dat",ios::in);

int r,flag;

cout<<" Enter room no. for a particular customer`s details :- "<

cin>>r;

while(!fin.eof())

{

fin.read((char*)this,sizeof(hotel));

if(room_no==r)

{

system("cls");

cout<<" Cusromer Details";

cout<<" ----------------";

cout<<" Room no: "<

cout<<" Name: "<

cout<<" Address: "<

cout<<" Phone no: "<

flag=1;

break;

}

}

if(flag==0)

cout<<" Sorry Room no. not found or vacant....!!";

cout<<" Press any key to continue....!!";

getch();

fin.close();

}

void hotel::rooms()

{

system("cls");

ifstream fin("Record.dat",ios::in);

cout<<" \t\t\t List Of Rooms Allotted";

cout<<" \t\t\t ----------------------";

cout<<" Room No.\tName\t\tAddress\t\t\t\tPhone No. ";

while(!fin.eof())

{

fin.read((char*)this,sizeof(hotel));

cout<<" "<

cout<<"\t\t"<

}

cout<<" \t\t\tPress any key to continue.....!!";

getch();

fin.close();

}

void hotel::edit()

{

system("cls");

int choice,r;

cout<<" EDIT MENU";

cout<<" ---------";

cout<<" 1.Modify Customer Record";

cout<<" 2.Delete Customer Record";

cout<<" 3. Bill Of Customer";

cout<<" Enter your choice: ";

cin>>choice;

system("cls");

cout<<" Enter room no: " ;

cin>>r;

switch(choice)

{

case 1: modify(r);

break;

case 2: delete_rec(r);

break;

case 3: bill(r);

break;

default: cout<<" Wrong Choice.....!!";

}

cout<<" Press any key to continue....!!!";

getch();

}

int hotel::check(int r)

{

int flag=0;

ifstream fin("Record.dat",ios::in);

while(!fin.eof())

{

fin.read((char*)this,sizeof(hotel));

if(room_no==r)

{

flag=1;

break;

}

}

fin.close();

return(flag);

}

void hotel::modify(int r)

{

long pos,flag=0;

fstream file("Record.dat",ios::in|ios::out|ios::binary);

while(!file.eof())

{

pos=file.tellg();

file.read((char*)this,sizeof(hotel));

if(room_no==r)

{

cout<<" Enter New Details";

cout<<" -----------------";

cout<<" Name: ";

cin>>name;

cout<<" Address: ";

cin>>address;

cout<<" Phone no: ";

cin>>phone;

file.seekg(pos);

file.write((char*)this,sizeof(hotel));

cout<<" Record is modified....!!";

flag=1;

break;

}

}

if(flag==0)

cout<<" Sorry Room no. not found or vacant...!!";

file.close();

}

void hotel::delete_rec(int r)

{

int flag=0;

char ch;

ifstream fin("Record.dat",ios::in);

ofstream fout("temp.dat",ios::out);

while(!fin.eof())

{

fin.read((char*)this,sizeof(hotel));

if(room_no==r)

{

cout<<" Name: "<

cout<<" Address: "<

cout<<" Pone No: "<

cout<<" Do you want to delete this record(y/n): ";

cin>>ch;

if(ch=='n')

fout.write((char*)this,sizeof(hotel));

flag=1;

}

else

fout.write((char*)this,sizeof(hotel));

}

fin.close();

fout.close();

if(flag==0)

cout<<" Sorry room no. not found or vacant...!!";

else

{

remove("Record.dat");

rename("temp.dat","Record.dat");

}

}

void hotel::bill(int r)

{

hotel h1;

ifstream f1;

f1.open("record.dat",ios::in|ios::binary);

if(!f1)

cout<<"cannot open";

else

{

f1.read((char*)&h1,sizeof (hotel));

while(f1)

{

f1.read((char*)&h1,sizeof(hotel));

}

if (h1.room_no == r)

{

if(h1.room_no>=1&&h1.room_no<=30)

cout<<"your bill = 2000";

else if (h1.room_no>=35&&h1.room_no<=45)

cout<<"your bill = 5000" ;

else

cout<<"your bill = 7000";

}

else

{ cout<<"room no. not found";}

}

f1.close();

getch();

}

int main()

{

hotel h;

system("cls");

cout<<" \t\t\t*****************************************";

cout<<" \t\t\t* OBJECT ORIENTED PROGRAMMING PROJECT *";

cout<<" \t\t\t*****************************************";

cout<<" \t\t\t\t\tPress any key to continue....!!";

getch();

h.main_menu();

return 0;

}