求小球落地5次后所经历的路程和第5次反弹的高度
求小球落地5次后所经历的路程和第5次反弹的高度
http://www.nowcoder.com/questionTerminal/2f6f9339d151410583459847ecc98446
import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
while(sc.hasNext()){
int n = sc.nextInt();
double sum = 0;
double temp = n;
for(int i = 0; i < 5; i++){
sum += temp * 2;
temp = temp / 2;
}
//第一次按它先弹上来再掉下去算的,要减掉第一次弹上来的路程
sum -= n;
System.out.printf("%.6f\n",sum);
System.out.printf("%.6f\n",temp);
}
}
}

查看10道真题和解析