Eroare de compilare: main.cpp: In function 'void solve()': main.cpp:14:5: error: reference to 'cin' is ambiguous 14 | 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:9:10: note: 'std::ifstream cin' 9 | ifstream cin ("rfniv.in"); | ^~~ main.cpp:19:9: error: reference to 'cin' is ambiguous 19 | cin >> u >> v; | ^~~ /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:9:10: note: 'std::ifstream cin' 9 | ifstream cin ("rfniv.in"); | ^~~ main.cpp:26:13: error: reference to 'cin' is ambiguous 26 | cin >> d[i][j]; | ^~~ /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:9:10: note: 'std::ifstream cin' 9 | ifstream cin ("rfniv.in"); | ^~~ main.cpp:69:9: error: reference to 'cout' is ambiguous 69 | cout << "DA\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:10:10: note: 'std::ofstream cout' 10 | ofstream cout ("rfniv.out"); | ^~~~ main.cpp:72:9: error: reference to 'cout' is ambiguous 72 | cout << "NU\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:10:10: note: 'std::ofstream cout' 10 | ofstream cout ("rfniv.out"); | ^~~~ main.cpp: In function 'int main()': main.cpp:79:9: error: reference to 'cin' is ambiguous 79 | if (cin >> t){ Non zero exit status: 1