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#

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int startHigh = sc.nextInt();
        int i = 1;
        double startHeight = startHigh;
        // 路程
        double s = 0;
        // 反弹高度
        double reHeight = 0;
        while(i <= 5){
            if(i == 1){
                s = startHeight;
            }else{
                s = s + 2 * startHeight;
            }
            reHeight = startHeight/2;
            startHeight = reHeight;
            i++;
        }
        System.out.println(s);
        System.out.println(reHeight);
    }
}