Rezumat problemă

ComponenteConexe6

#4781

Se dă lista muchiilor unui graf neorientat. Să se afișeze componentele conexe ale acestui graf.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Teoria Grafurilor Parcurgerea grafurilor neorientate

Rezolvă

Detalii

Problema	ComponenteConexe6	Operații I/O	componenteconexe6.in/componenteconexe6.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63505126	Utilizator	seica horea florian (horeaseica1)
Fișier	componenteconexe6.cpp	Dimensiune	859 B
Data încărcării	06 Martie 2026, 09:14	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

componenteconexe6.cpp:5:13: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin("componenteconexe6.in");

             ^
componenteconexe6.cpp:6:14: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout("componenteconexe6.out");

              ^
componenteconexe6.cpp: In function 'int main()':
componenteconexe6.cpp:29:5: error: reference to 'cin' is ambiguous
     cin>>n;

     ^
componenteconexe6.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("componenteconexe6.in");

          ^
In file included from componenteconexe6.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
componenteconexe6.cpp:30:11: error: reference to 'cin' is ambiguous
     while(cin>>x>>y)

           ^
componenteconexe6.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("componenteconexe6.in");

          ^
In file included from componenteconexe6.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
componenteconexe6.cpp:36:14: warning: pointer to a function used in arithmetic [-Wpointer-arith]
         bfs[i];

              ^
componenteconexe6.cpp:36:14: warning: value computed is not used [-Wunused-value]
componenteconexe6.cpp:36:14: warning: statement has no effect [-Wunused-value]
componenteconexe6.cpp:38:5: error: reference to 'cout' is ambiguous
     cout<<nc<<'\n';

     ^
componenteconexe6.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("componenteconexe6.out");

          ^
In file included from componenteconexe6.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
componenteconexe6.cpp:43:13: error: reference to 'cout' is ambiguous
             cout<<j<<" ";

             ^
componenteconexe6.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("componenteconexe6.out");

          ^
In file included from componenteconexe6.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
componenteconexe6.cpp:44:9: error: reference to 'cout' is ambiguous
         cout<<'\n';

         ^
componenteconexe6.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("componenteconexe6.out");

          ^
In file included from componenteconexe6.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^

Cum funcționează evaluarea?