Eroare de compilare: user.cpp:23:6: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] main() ^ user.cpp: In function ‘int main()’: user.cpp:25:5: error: reference to ‘cin’ is ambiguous cin >> n; ^ user.cpp:7:10: note: candidates are: std::ifstream cin ifstream cin("elmaj.in"); ^ In file included from user.cpp:3:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ user.cpp:29:9: error: reference to ‘cin’ is ambiguous cin >> x; ^ user.cpp:7:10: note: candidates are: std::ifstream cin ifstream cin("elmaj.in"); ^ In file included from user.cpp:3:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ user.cpp:34:36: error: reference to ‘cout’ is ambiguous if (b.empty() || nr<((n/2)+1)) cout << -1; ^ user.cpp:8:10: note: candidates are: std::ofstream cout ofstream cout("elmaj.out"); ^ In file included from user.cpp:3:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^ user.cpp:35:10: error: reference to ‘cout’ is ambiguous else cout << b[0] << ' ' << nr; ^ user.cpp:8:10: note: candidates are: std::ofstream cout ofstream cout("elmaj.out"); ^ In file included from user.cpp:3:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^