// Example program
#include <iostream>
#include <string>

#define     ACCOUNT_MAX    3

using namespace std;

class User
{
private:
    struct Accounts {string user, password, firstName;};
    struct Accounts accs[ACCOUNT_MAX];
    bool online;

    void setAccounts()
    {
        accs[0].user = "admin";
        accs[0].password = "adminpw";
        accs[0].firstName = "Administrator";
        accs[1].user = "user01";
        accs[1].password = "user01pw";
        accs[1].firstName = "User 01";
        accs[2].user = "user02";
        accs[2].password = "user02pw";
        accs[2].firstName = "User 02";
    }

public:
    int Access(string user, string password)
    {
        int count = 0;

        for (; count <= ACCOUNT_MAX; count++)
        {
            if (user.compare(this->accs[count].user) == 0 && password.compare(this->accs[count].password) == 0)
            {
                this->online = true;
                break;
            }

            else
                this->online = false;
        }

        return this->online;
    }

    User() {}
    ~User() {}
};

int main()
{
    class User *managment = new User();
    string localUser, localPassword;

    cout << "A system [Version 2.0]n" << endl;

    do {
        cout << "User: ";
        cin >> localUser;
        cout << "Password: ";
        cin >> localPassword;
    } while (managment->Access(localUser, localPassword) == false);



    return 0;
}