cf C. Cupboard and Balloons

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

 1 #include <cstdio>

 2 #include <cstring>

 3 #include <cmath>

 4 #include <algorithm>

 5 using namespace std;

 6 

 7 __int64 r,h;

 8 

 9 int main()

10 {

11     while(scanf("%I64d%I64d",&r,&h)!=EOF)

12     {

13         __int64 t2=(h/r)*2;

14         if((h%r)*2<r) t2++;

15         else if((h%r)*2>=sqrt(3.0)*r) t2+=3;

16         else t2+=2;

17         printf("%I64d\n",t2);

18     }

19     return 0;

20 }

View Code