func_code_string: #include <bits/stdc++.h>   using namespace std;   const int INF = 2147483647;   const double PI = 3.141592653589793;   const double eps = 1e-6;   int n, r, R;   double x;   int main() {     scanf( %d %d %d , &n, &R, &r);     if (n == 1) {       if (r <= R)         printf( YES n );       else         printf( NO n );       return 0;     }     if (r > R / 2) {       printf( NO n );       return 0;     }     x = asin(r * 1.0 / (R - r)) * 180.0 / PI;     if (2 * n * x > 360 + eps)       printf( NO n );     else       printf( YES n );     return 0;   }   