import java.util.ArrayList;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        //char[] answers = {'A','B','F','F','F','F','F','A','C','D','B','C','D','A','D','C','C','B','D','A'};
        char[] answers = new char[20];
        /// ////////
        int i = 0;
        String checkString = "ABCD";
        Scanner scanner = new Scanner(System.in);
        do {
            System.out.print("Question " + (i+1) + " Student Answer: ");
            String userIn = scanner.nextLine();

            if(userIn.length() > 1){
                System.out.println("Please input only a single letter A,B,C,or D");
                continue;
            }
            if(!checkString.contains(userIn)) {
                System.out.println("Please input only a single letter A,B,C,or D");
                continue;
            }
            answers[i] = userIn.charAt(0);
            i++;
        } while (i < 20);

        /// ///////

        DriverExam test = new DriverExam(answers);

        System.out.println(test.passed());
        System.out.println(test.totalCorrect());
        System.out.println(test.totalIncorrect());
        ArrayList<Integer> missed = test.questionsMissed();

        for(var x : missed) {
            System.out.print(x + " ");
        }

    }
}