解题思路:
注意事项:
参考代码:
import java.util.Scanner;
public class Main32 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
double pi = 3.14159;
int h = scanner.nextInt();
int r = scanner.nextInt();
double v = pi * r * r * h; //桶装水的体积
double x = 20000 / v;// 桶数
int a=(int)Math.ceil(x);
System.out.println(a);
}
}
0.0分
0 人评分