02. Exam Preparation

package S5_WhileLoops;

import java.util.Scanner;

public class ExamPreparation {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int badGradesLimit = Integer.parseInt(scanner.nextLine());
        int sumGrades = 0;
        int gradesCounter = 0;
        String lastProblem = "";
        int badGradesCount = 0;

        boolean isBadGradesLimitReached = false;

        String command = scanner.nextLine();
        while (!command.equals("Enough")) {
            String taskName = command;
            int grade = Integer.parseInt(scanner.nextLine());

            // sumGrades = sumGrades + grade;
            sumGrades += grade;
            gradesCounter++;
            lastProblem = taskName;

            if (grade <= 4) {
                badGradesCount++;
            }

            if(badGradesCount == badGradesLimit) {
                break;
            }
            command = scanner.nextLine();
        }

        if(isBadGradesLimitReached) {
            System.out.printf("You need a break, %d poor grades.", badGradesCount);
        } else {
            System.out.printf("Average score: %.2f%n" +
                    "Number of problems: %d%n" +
                    "Last problem: %s", 1.0 * sumGrades/gradesCounter, gradesCounter, lastProblem);
        }
    }
}