#include <stdio.h>
#include <stdlib.h>

//Hisham Salah


int userAndpassChecker(char U[], char P[]) {

    char usern[20] = "admin123";
    char passw[20] = "admin123admin";

    for (int j = 0; U[j]!='$' ;j++) {

        if (U[j] != usern[j]) {
            return 0;
        }
    }

    for (int h = 0; P[h]!='$';h++) {

        if (P[h] != passw[h])
            return 0;
    }

    return 1;
}

int main() {


    char user[100] = { 0 };
    char pass[100] = { 0 };



    printf("\n\nTo access the administrator page , please enter your username and passowrd\n\n");

    printf("\nEnter the username..... For Example Name$ (It should end with $)\n");

    for (int i = 0; user[i - 1] != '$';i++)
        scanf_s("%c", &user[i]);

    printf("\nEnter the password..... For Example Pass123$ (It should end with $)\n");

    for (int j = 0; pass[j - 1] != '$';j++)
        scanf_s("%c", &pass[j]);

    do {

        if (userAndpassChecker(user, pass) != 1) {

            printf("\nWrong username or passowrd ... Please re-enter username and password\n");

            printf("\nPlease enter the username:");

            for (int i = 0; user[i - 1] != '$';i++)
                scanf_s("%c", &user[i]);

            printf("\nPlease enter the password:");

            for (int j = 0; pass[j - 1] != '$';j++)
                scanf_s("%c", &pass[j]);
        }
        else
            break;

    } while (userAndpassChecker(user, pass) != 1);


    printf("\nYou have access to the administrator page\n");




    system("pause");
    return 0;
}