mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
18 lines
239 B
C++
18 lines
239 B
C++
#include <cstdio>
|
|
using namespace std;
|
|
|
|
|
|
const double pi=3.1415926;
|
|
|
|
double round;
|
|
|
|
int main()
|
|
{
|
|
while(scanf("%lf",&round)==1)
|
|
{
|
|
double ans=4*pi*round*round*round/3;
|
|
printf("%.3lf\n",ans);
|
|
}
|
|
return 0;
|
|
}
|