cf C. Cupboard and Balloons

http://codeforces.com/contest/342/problem/C

 #include <cstdio>
 #include <cstring>
 #include <cmath>
 #include <algorithm>
 using namespace std;

 __int64 r,h;

 int main()
 {
     while(scanf("%I64d%I64d",&r,&h)!=EOF)
     {
         __int64 t2=(h/r)*;
         if((h%r)*<r) t2++;
         else if((h%r)*>=sqrt(3.0)*r) t2+=;
         else t2+=;
         printf("%I64d\n",t2);
     }
     return ;
 }