func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 1e5 + 5;   int A[maxn], MAX = 0;   int main() {     int n;     cin >> n;     for (int i = 0; i < n; i++) cin >> A[i];     sort(A, A + n);     int ans = 0;     for (int i = 0; i < n; i++)       if (ans * A[i] + ans <= i) ans++;     cout << ans;     return 0;   }   