Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:45:28: error: cannot pass objects of non-trivially-copyable type ‘class std::basic_string<char>’ through ‘...’ printf("%s ",*j); ^ user.cpp:45:28: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘std::basic_string<char>’ [-Wformat=] user.cpp:19:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("litere2.in","r",stdin); ^ user.cpp:20:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("litere2.out","w",stdout); ^ user.cpp:21:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^