Eroare de compilare: main.cpp:2:40: warning: character constant too long for its type $user = User::find($request->input('userId')); ^~~~~~~~ main.cpp:3:42: warning: character constant too long for its type $group = Group::find($request->input('groupId')); ^~~~~~~~~ main.cpp:6:39: warning: character constant too long for its type $group->users()->save($user->id, ['is_teacher' => 1]); ^~~~~~~~~~~~ main.cpp:1:1: error: expected unqualified-id before 'public' public function promoteUser(Request $request) { ^~~~~~ main.cpp: In function 'int main()': main.cpp:73:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("trie.out", "w", stdout); ^ Non zero exit status: 1