题解 | #小球走过路程计算#

import java.util.Scanner;

public class Main { public static void main(String[] args) { Scanner scanner=new Scanner(System.in); float h=scanner.nextFloat(); int n =scanner.nextInt();

    //write your code here......
    float distance=0;
    for(int i=1;i<=n;i++){
        h/=2;
        distance+=h*3;
    }

  System.out.println(String.format("%.3f", h)+" "+String.format("%.3f", distance-h));
    

}

}