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;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            double h = in.nextInt();
            System.out.println(get(h));
            System.out.println(height(h));
        }

    }
    public static double height(double h) {
        for (int i = 0; i < 5; i++) {
            h = h / 2;
        }
        return h;
    }

    public static double get(double h) {
        return h + h + h / 2 + h / 4 + h / 8;
    }
}