My code

#include<fstream.h>
#include<iomanip.h>
#include<conio.h>
#include<windows.h>
#include<string.h>
int flag=0; char ch;
struct password
{
    char passs[25];
};
void enteringfirstpass()
{

        password ok;
        cout<<"Enter your ___ pass\n";
        gets(ok.passs);
        ofstream fio("password",ios::out,ios::binary);
        fio.write((char*)&ok,sizeof(password));
        fio.close();

}
class question
{
    public:
    char ques[1000];
    char option1[50],option2[50],option3[50],option4[50];
    int k;
    int qno;
};

void addquestion(void)
{
    question abc;
    cout<<"Enter question number\n";
    cin>>abc.qno;
    cout<<abc.qno;

    ofstream fout;
    fout.open("question.txt",ios::out|ios::binary);
    cout<<"Enter Question!\n";
    gets(abc.ques);
    cout<<"Enter Options!\n";
    gets(abc.option1);gets(abc.option2);gets(abc.option3);gets(abc.option4);
    cout<<"Enter correct option number\n";
    cin>>abc.k;
    cout<<"dadalaa";
    fout.write((char*)&abc,sizeof(abc));
    fout.close();

    getch();
}
void dispsetting()
{
    char chkpass[30];int count=0;
    password pass;
    cout<<"Enter your password\n";
    gets(chkpass);
    ifstream fi("password.txt",ios::in|ios::binary);
    fi.read((char*)&pass,sizeof(password));
    if(strcmpi(chkpass,pass.passs)==0)
    {
        cout<<"  _|_|_|  _|_|_|_|  _|_|_|_|_|  _|_|_|_|_|  _|_|_|  _|      _|    _|_|_|"<<endl;
        cout<<"_|        _|            _|          _|        _|    _|_|    _|  _|      "<<endl;
        cout<<"  _|_|    _|_|_|        _|          _|        _|    _|  _|  _|  _|  _|_|"<<endl;
        cout<<"     _|   _|            _|          _|        _|    _|    _|_|  _|    _|"<<endl;
        cout<<"_|_|_|    _|_|_|_|      _|          _|      _|_|_|  _|      _|    _|_|_|"<<endl;
        cout<<"\n\n\n";
        cout<<"1. ADD QUESTION\n" ;
        cout<<"2. DELETE QUESTION\n";
        cout<<"3. MODIFY QUESTION\n";
        cout<<"4. CHANGE PASSWORD\n";
    }

    else
    {
        cout<<"ACCESS DENIED!!!Wrong Password\n";
        while(strcmpi(chkpass,pass.passs)!=0)
        {
            cout<<"Please enter your passsword again\n";
            gets(chkpass);
        count++;
        if(count==4)
            {

                cout<<"You have entered wrong password 5 times\n Program will now terminate!!\n";
                exit(0);
            }
        }
    }
}
void pass()
{   password pass;
    char password[25];
    cout<<"Change Password Menu \n";
    cout<<"Do you want to change your password(y/n)\n";
    char ch1;
    cin>>ch1;
    if(ch1=='y'||ch1=='Y')
    {

        cout<<"Enter Old Password";
        gets(password);
        ifstream fi("password",ios::in|ios::binary);
        fi.read((char*)& pass,sizeof(password));
        fi.close();
        if((strcmpi(password,pass.passs)==0))
        {   ofstream fo("password",ios::out|ios::binary);
            fo.write((char*)password,sizeof(password));
            fo.close();
        }
    }
}
void main()
{


    enteringfirstpass();
    addquestion();
    pass();
    dispsetting();
}