#include<stdio.h>
#include<math.h>
#define PI 3.1415926
int main()
{
double a,b,c,t;
int u;
while(scanf("%lf %lf %lf",&a,&b,&c)!=EOF)
{
b/=2;
t=b/tan(c/180*PI);
if(a>t)
{u=(a-t)/(2*t);
printf("%d\n",u+1);
}
else printf("0\n");
}
return 0;
}
4326 Reflections tzc
最新推荐文章于 2022-05-01 03:18:09 发布