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[] arg0){
    Scanner scanner=new Scanner(System.in);
    int n=scanner.nextInt();        
    double chushu=Math.pow(0.5,5);         
    double d=n*chushu;        
    System.out.println(2.875*n);
    System.out.println(d);        
}        

}