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Create 1441.cpp

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KiritoTRw 2016-05-01 18:42:06 +08:00
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commit 3a8695dd93
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#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;
}