func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int a[200], n, c = 0;     double sum = 0;     cin >> n;     for (int i = 0; i < n; i++) {       cin >> a[i];       sum += a[i];     }     sort(a, a + n);     while (double(sum / n) < 4.5) {       sum += (5 - a[c]);       c++;     }     cout << c;     return 0;   }   