POJ/3737.cc

   1 #include <cstdio>
   2 #include <cmath>
   3
   4 const long double PI=acos(-1.0);
   5
   6 using namespace std;
   7
   8 int main()
   9 {
  10         double s;
  11         while (~scanf("%lf",&s))
  12         {
  13                 double r=sqrt(s/PI/4),h=sqrt(2*s/PI);
  14                 double l=sqrt(r*r+h*h);
  15                 double v=PI*r*r*h/3.0;
  16                 printf("%.2lf\n%.2lf\n%.2lf\n",v,h,r);
  17         }
  18         return 0;
  19 }