01_Experience_Gaining_ProgramFundMidExam_2Nov2019_Group2

import java.util.Scanner;

public class ExperienceGaining {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double neededExperience = Double.parseDouble(scanner.nextLine());
        int battlesCount = Integer.parseInt(scanner.nextLine());

        double collectedExperience = 0;

        int battleCounter = 0;
        boolean success = false;
        for (int i = 1; i <= battlesCount; i++) {
            double experiencePerBattle = Double.parseDouble(scanner.nextLine());

            if (i % 3 == 0) {
                collectedExperience += (experiencePerBattle + (experiencePerBattle * 0.15));
            } else if (i % 5 == 0) {
                collectedExperience += (experiencePerBattle - (experiencePerBattle * 0.10));
            } else {
                collectedExperience += experiencePerBattle;
            }

            battleCounter++;

            if (collectedExperience >= neededExperience) {
                success = true;
                break;
            }
        }
        if (success) {
            System.out.printf("Player successfully collected his needed experience for %d battles.", battleCounter);
        } else {
            System.out.printf("Player was not able to collect the needed experience, %.2f more needed.",
                    neededExperience - collectedExperience);
        }
    }
}