题解 | #牛牛的球#
牛牛的球
https://www.nowcoder.com/practice/203ca3114f8845a9bbd673bae6c5dd2b
using System;
public class Program{
public static void Main()
{
int r = Convert.ToInt32(Console.ReadLine());
double result = (4.0/3.0)*3.14*r*r*r;
Console.WriteLine(result);
}
}
