Histogram SoftUni

import java.util.Scanner;

public class Histogram {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        int countNumbers = Integer.parseInt(scanner.nextLine());

        int p1Count = 0;
        int p2Count = 0;
        int p3Count = 0;
        int p4Count = 0;
        int p5Count = 0;

        for (int i = 1; i <= countNumbers; i++) {
            double n = Double.parseDouble(scanner.nextLine());

            if (n < 200) {
                p1Count +=1;
            }
            else if (n >= 200 && n <= 399) {
                p2Count +=1;
            }
            else if (n >= 400 && n <= 599) {
                p3Count +=1;
            }
            else if (n >= 600 && n <= 799) {
                p4Count +=1;
            }
            else if (n >= 800) {
                p5Count +=1;
            }
        }

        double sum = p1Count + p2Count + p3Count + p4Count + p5Count;
        double p1 = p1Count / sum * 100;
        double p2 = p2Count / sum * 100;
        double p3 = p3Count / sum * 100;
        double p4 = p4Count / sum * 100;
        double p5 = p5Count / sum * 100;

        System.out.printf("%.2f%%", p1);
        System.out.printf("%n%.2f%%", p2);
        System.out.printf("%n%.2f%%", p3);
        System.out.printf("%n%.2f%%", p4);
        System.out.printf("%n%.2f%%", p5);

    }
}