03. Histogram

package forLoop_Exercise;

import java.util.Scanner;

public class Histogram {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());

        int p1 = 0;
        int p2 = 0;
        int p3 = 0;
        int p4 = 0;
        int p5 = 0;

        for (int i = 1; i <= n; i++) {
            int num = Integer.parseInt(scanner.nextLine());

            if (num < 200) {
                p1++;
            } else if (num <= 399) {
                p2++;
            } else if (num <= 599) {
                p3++;
            } else if (num <= 799) {
                p4++;
            } else {
                p5++;
            }

        }

        System.out.printf("%.2f%%%n", 1.0 * p1 / n * 100);
        System.out.printf("%.2f%%%n", 1.0 * p2 / n * 100);
        System.out.printf("%.2f%%%n", 1.0 * p3 / n * 100);
        System.out.printf("%.2f%%%n", 1.0 * p4 / n * 100);
        System.out.printf("%.2f%%", 1.0 * p5 / n * 100);

    }
}