Eroare de compilare: main.cpp: In function 'void euler(int)': main.cpp:35:13: error: reference to 'cout' is ambiguous 35 | cout << next_edge << " " << sgn << '\n'; | ^~~~ In file included from main.cpp:2: /usr/include/c++/12.2.1/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:9:10: note: 'std::ofstream cout' 9 | ofstream cout("domino.out"); | ^~~~ main.cpp: In function 'int main()': main.cpp:46:5: error: reference to 'cin' is ambiguous 46 | cin >> n; | ^~~ /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:8:10: note: 'std::ifstream cin' 8 | ifstream cin("domino.in"); | ^~~ main.cpp:55:9: error: reference to 'cin' is ambiguous 55 | cin >> a >> b; | ^~~ /usr/include/c++/12.2.1/iostream:60:18: note: candidates are: 'std::istream std::cin' 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:8:10: note: 'std::ifstream cin' 8 | ifstream cin("domino.in"); | ^~~ main.cpp:73:9: error: reference to 'cout' is ambiguous 73 | cout << 0 << '\n'; | ^~~~ /usr/include/c++/12.2.1/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:9:10: note: 'std::ofstream cout' 9 | ofstream cout("domino.out"); | ^~~~ main.cpp:76:9: error: reference to 'cout' is ambiguous 76 | cout << 1 << '\n'; | ^~~~ /usr/include/c++/12.2.1/iostream:61:18: note: candidates are: 'std::ostream std::cout' 61 | extern ostream cout; /// Linked to standard output | ^~~~ main.cpp:9:10: note: 'std::ofstream cout' 9 | ofstream cout("domino.out"); | ^~~~ Non zero exit status: 1