func_code_string: #include <bits/stdc++.h>   int count[5001] = {0}, i = 0, n, a, c = 0;   int main() {     scanf( %d , &n);     for (i = 0; i < n; i++) {       scanf( %d , &a);       count[a - 1]++;     }     for (i = 0; i < n; i++)       if (count[i] == 0) c++;     printf( %d n , c);     return 0;   }   