Eroare de compilare: main.cpp:11:13: error: variable 'std::ifstream cin' has initializer but incomplete type ifstream cin("dijkstra.in"); ^ main.cpp:12:14: error: variable 'std::ofstream cout' has initializer but incomplete type ofstream cout("dijkstra.out"); ^ main.cpp: In function 'void read()': main.cpp:17:5: error: reference to 'cin' is ambiguous cin>>n>>m; ^~~ main.cpp:11:10: note: candidates are: <typeprefixerror>cin ifstream cin("dijkstra.in"); ^~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:20:9: error: reference to 'cin' is ambiguous cin>>x>>y>>c; ^~~ main.cpp:11:10: note: candidates are: <typeprefixerror>cin ifstream cin("dijkstra.in"); ^~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp: In function 'void solve()': main.cpp:92:13: error: reference to 'cout' is ambiguous cout<<0<<' '; ^~~~ main.cpp:12:10: note: candidates are: <typeprefixerror>cout ofstream cout("dijkstra.out"); ^~~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp:93:14: error: reference to 'cout' is ambiguous else cout<<d[i]<<' '; ^~~~ main.cpp:12:10: note: candidates are: <typeprefixerror>cout ofstream cout("dijkstra.out"); ^~~~ In file included from main.cpp:1:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ Non zero exit status: 1