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.io.BufferedReader;
import java.io.InputStreamReader;
import java.math.BigDecimal;
import java.util.Scanner;

public class Main {
 public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        BigDecimal high = new BigDecimal(scanner.nextInt());
        BigDecimal  sum = new BigDecimal(0);
        for (int i = 1; i <6 ; i++) {
          if (i==1){
              sum=sum.add(high);
          }else{
              BigDecimal r = high.divide( new BigDecimal(Math.pow(2,i-1))).multiply(new BigDecimal(2));
              sum=sum.add(r);
          }
        }

        System.out.println(sum);
        System.out.println(high.divide(new BigDecimal(Math.pow(2,5))));
    }
}