Language: C++

#include <iostream>
using namespae std;

int main()
{
  int n;
  string s;
  cin >> n >> s;
  
  if(n%2 != 0)
  {
    cout << "No"<< endl;
    return 0;
  }
  
  for(int i = 0; i < (n/2); i++)
  {
    if(s[i] != s[i+(n/2)])
    {
      cout << "No"<< endl;
      return 0;
    }
  }
  
  cout << "Yes"<< endl;
  return 0;
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespae'
    2 | using namespae std;
      |       ^~~~~~~~
a.cc: In function 'int main()':
a.cc:7:3: error: 'string' was not declared in this scope
    7 |   string s;
      |   ^~~~~~
a.cc:7:3: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:8:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |   cin >> n >> s;
      |   ^~~
      |   std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:15: error: 's' was not declared in this scope
    8 |   cin >> n >> s;
      |               ^
a.cc:12:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |     cout << "No"<< endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:12:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |     cout << "No"<< endl;
      |                    ^~~~
      |                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:20:7: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   20 |       cout << "No"<< endl;
      |       ^~~~
      |       std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:20:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   20 |       cout << "No"<< endl;
      |                      ^~~~
      |                      std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:25:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   25 |   cout << "Yes"<< endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:25:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   25 |   cout << "Yes"<< endl;
      |                   ^~~~
      |                   std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~