func_code_string: #include <bits/stdc++.h>   using namespace std;   template <class c>   struct rge {     c b, e;   };   template <class c>   rge<c> range(c i, c j) {     return rge<c>{i, j};   }   template <class c>   auto dud(c* x) -> decltype(cerr << *x, 0);   template <class c>   char dud(...);   struct debug {     template <class c>     debug& operator<<(const c&) {       return *this;     }   };   using ll = long long;   using ld = long double;   constexpr int nax = 1000 * 1000 + 105;   constexpr int infty = 1000 * 1000 * 1000 + 5;   constexpr int mod = 1000 * 1000 * 1000 + 7;   int main() {     int n;     scanf( %d , &n);     set<int> s;     for (int i = 0; i < n; i++) {       int a;       scanf( %d , &a);       s.insert(a);     }     printf( %d n , n + 1 - (int)s.size());     return 0;   }   