func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie();     cout.tie();     int n;     cin >> n;     int arr[5001] = {0};     int ans = 0;     for (int i = 0; i < n; i++) {       int x;       cin >> x;       arr[x]++;     }     for (int i = 1; i <= n; i++) {       if (arr[i] >= 2) ans += arr[i] - 1;     }     for (int i = n + 1; i <= 5000; i++) ans += arr[i];     cout << ans;   }   