Rezumat problemă

Bipartit1

#472

Se dă lista muchiilor unui graf neorientat cu n vârfuri, etichetate de la 1 la n. Să se verifice dacă graful este bipartit.

Fișiere Candale Silviu (silviu) medie

Clasa 11 Teoria Grafurilor Probleme elementare cu grafuri neorientate

Rezolvă

Detalii

Problema	Bipartit1	Operații I/O	bipartit1.in/bipartit1.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63736471	Utilizator	Jurcsik Diana-Andreea (diajurcsik09)
Fișier	bipartit1.cpp	Dimensiune	1.04 KB
Data încărcării	17 Martie 2026, 10:38	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

bipartit1.cpp:4:13: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin("bipartit1.in");

             ^
bipartit1.cpp:5:14: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout("bipartit1.out");

              ^
bipartit1.cpp: In function 'void citire()':
bipartit1.cpp:13:5: error: reference to 'cin' is ambiguous
     cin>>n>>m;

     ^
bipartit1.cpp:4:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("bipartit1.in");

          ^
In file included from bipartit1.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
bipartit1.cpp:16:9: error: reference to 'cin' is ambiguous
         cin>>x>>y;

         ^
bipartit1.cpp:4:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("bipartit1.in");

          ^
In file included from bipartit1.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
bipartit1.cpp: In function 'void verif()':
bipartit1.cpp:32:9: error: reference to 'cout' is ambiguous
         cout<<"DA\n";

         ^
bipartit1.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("bipartit1.out");

          ^
In file included from bipartit1.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
bipartit1.cpp:35:17: error: reference to 'cout' is ambiguous
                 cout<<i<<" ";

                 ^
bipartit1.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("bipartit1.out");

          ^
In file included from bipartit1.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
bipartit1.cpp:36:9: error: reference to 'cout' is ambiguous
         cout<<'\n';

         ^
bipartit1.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("bipartit1.out");

          ^
In file included from bipartit1.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
bipartit1.cpp:39:17: error: reference to 'cout' is ambiguous
                 cout<<i<<" ";

                 ^
bipartit1.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("bipartit1.out");

          ^
In file included from bipartit1.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
bipartit1.cpp:40:9: error: reference to 'cout' is ambiguous
         cout<<'\n';

         ^
bipartit1.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("bipartit1.out");

          ^
In file included from bipartit1.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
bipartit1.cpp: In function 'int main()':
bipartit1.cpp:61:9: error: reference to 'cout' is ambiguous
         cout<<"NU";

         ^
bipartit1.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("bipartit1.out");

          ^
In file included from bipartit1.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?