题解 | #求小球落地5次后所经历的路程和第5次反弹的高度#

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNextDouble()) {
            double n = in.nextDouble();
            double count = 0;
            double out = n;
            for (int i = 0; i < 5; i++) {
                count += out;
                out /= 2;
                if (i != 4)
                    count += out;
            }
            System.out.print(count);
            System.out.println();
            System.out.print(out);
        }
    }
}