Eroare de compilare: user.cpp:9:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type ifstream cin("queue.in"); ^ user.cpp:10:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type ofstream cout("queue.out"); ^ user.cpp: In function ‘int nrfind(std::string)’: user.cpp:18:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int p = 10; p < str.size() - 1; p++) { ^ user.cpp: In function ‘int main()’: user.cpp:25:2: error: reference to ‘cin’ is ambiguous cin >> n; ^ user.cpp:9:10: note: candidates are: <typeprefixerror>cin ifstream cin("queue.in"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ user.cpp:28:3: error: reference to ‘cin’ is ambiguous cin >> S1; ^ user.cpp:9:10: note: candidates are: <typeprefixerror>cin ifstream cin("queue.in"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ user.cpp:30:4: error: reference to ‘cout’ is ambiguous cout << i << ": "; ^ user.cpp:10:10: note: candidates are: <typeprefixerror>cout ofstream cout("queue.out"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ user.cpp:32:5: error: reference to ‘cout’ is ambiguous cout << "pop(2) write(" << vInv.back() << ")\n"; ^ user.cpp:10:10: note: candidates are: <typeprefixerror>cout ofstream cout("queue.out"); ^ In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output