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(); float s=h; for(int i=1;i<n;i++){ s=s+h; h=h/2; // System.out.println(i+" "+s+" "+h); } System.out.println(String.format("%.3f", h/2)+" "+String.format("%.3f", s)); } }