func_code_string: #include <bits/stdc++.h>   using namespace std;   int s[500005];   int main() {     int i, n = 0;     char c;     memset(s, 0, sizeof(s));     while ((c = getchar()) !=   n ) {       ++n;       if (c ==  I  || c ==  E  || c ==  A  || c ==  O  || c ==  U  || c ==  Y )         ++s[n];       s[n] += s[n - 1];     }     double sum = 0, ans = 0;     for (i = 1; i <= n; ++i) {       sum += (s[n - i + 1] - s[i - 1]);       ans = ans + sum / i;     }     printf( %.8lf n , ans);     return 0;   }   