func_code_string: #include <bits/stdc++.h>   int n;   double sum, tmp, ans;   int main() {     scanf( %d , &n);     for (int div = 1; div <= n; div++) {       scanf( %lf , &tmp);       sum += tmp;       if (sum / div > ans) ans = sum / div;     }     printf( %.20lf n , ans);   }   