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#

using System;

class Program {
    public static void Main() {
        var h0 = double.Parse(Console.ReadLine());
        Console.WriteLine(h0*(1-Math.Pow(0.5, 4)) / (1-0.5) + h0);
        Console.WriteLine(h0 * Math.Pow(0.5, 5));
    }
}