Rezumat problemă

ComponenteConexe12

#4962

Se dă lista muchiilor unui graf neorientat. Să se determine muchiile care pot fi adăugate în graf astfel încât numărul de componente conexe ale grafului să nu se modifice.

Fișiere Candale Silviu (silviu) medie

Clasa 11 Teoria Grafurilor Parcurgerea grafurilor neorientate

Rezolvă

Detalii

Problema	ComponenteConexe12	Operații I/O	componenteconexe12.in/componenteconexe12.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63506920	Utilizator	Pop Matei (pop_matei_darius)
Fișier	componenteconexe12.cpp	Dimensiune	1.40 KB
Data încărcării	06 Martie 2026, 09:49	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

componenteconexe12.cpp:5:13: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin("componenteconexe12.in");

             ^
componenteconexe12.cpp:6:14: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout("componenteconexe12.out");

              ^
componenteconexe12.cpp:9:11: error: expected ';' at end of member declaration
     int x,y

           ^
componenteconexe12.cpp: In function 'int main()':
componenteconexe12.cpp:46:5: error: reference to 'cin' is ambiguous
     cin>>n>>m;

     ^
componenteconexe12.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("componenteconexe12.in");

          ^
In file included from componenteconexe12.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
componenteconexe12.cpp:49:9: error: reference to 'cin' is ambiguous
         cin>>x>>y;

         ^
componenteconexe12.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("componenteconexe12.in");

          ^
In file included from componenteconexe12.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
componenteconexe12.cpp:62:32: error: expected primary-expression before '=' token
             if(i!=j && viz[i]!==0 && viz[i]==viz[j] && a[i][j]==0)

                                ^
componenteconexe12.cpp:69:5: error: reference to 'cout' is ambiguous
     cout<<k<<'\n';

     ^
componenteconexe12.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("componenteconexe12.out");

          ^
In file included from componenteconexe12.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
componenteconexe12.cpp:71:9: error: reference to 'cout' is ambiguous
         cout<<v[i].x<<" "<<v[i].y<<'\n';

         ^
componenteconexe12.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("componenteconexe12.out");

          ^
In file included from componenteconexe12.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?