Main.cc: In function ‘int main()’:
Main.cc:8:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
    8 |     cin >> n;
      |     ^~~
      |     std::cin
In file included from Main.cc:1:
/usr/include/c++/10/iostream:60:18: note: ‘std::cin’ declared here
   60 |   extern istream cin;  /// Linked to standard input
      |                  ^~~
Main.cc:17:5: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   17 |     cout << min(fun1, fun2);
      |     ^~~~
      |     std::cout
In file included from Main.cc:1:
/usr/include/c++/10/iostream:61:18: note: ‘std::cout’ declared here
   61 |   extern ostream cout;  /// Linked to standard output
      |                  ^~~~
Main.cc:17:13: error: ‘min’ was not declared in this scope; did you mean ‘std::min’?
   17 |     cout << min(fun1, fun2);
      |             ^~~
      |             std::min
In file included from /usr/include/c++/10/algorithm:62,
                 from Main.cc:2:
/usr/include/c++/10/bits/stl_algo.h:3474:5: note: ‘std::min’ declared here
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~