Eroare de compilare: main.cpp: In function 'int main()': main.cpp:40:5: error: reference to 'cin' is ambiguous 40 | cin >> n >> m; | ^~~ In file included from main.cpp:1: /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("bfs.in"); | ^~~ main.cpp:43:9: error: reference to 'cin' is ambiguous 43 | 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("bfs.in"); | ^~~ main.cpp:46:5: error: reference to 'cin' is ambiguous 46 | cin >> start; | ^~~ /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("bfs.in"); | ^~~ main.cpp:53:9: error: reference to 'cout' is ambiguous 53 | cout << dist[i] << " "; | ^~~~ /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("bfs.out"); | ^~~~ Non zero exit status: 1