Rezumat problemă

Ciclu

#478

Se dă lista muchiilor unui graf neorientat cu n vârfuri și un vârf p. Să se determine un ciclu elementar care conține vârful p.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Teoria Grafurilor Probleme elementare cu grafuri neorientate

Rezolvă

Detalii

Problema	Ciclu	Operații I/O	ciclu.in/ciclu.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63928214	Utilizator	Pop Matei (pop_matei_darius)
Fișier	ciclu.cpp	Dimensiune	800 B
Data încărcării	27 Martie 2026, 09:41	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

ciclu.cpp:10:13: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin("ciclu.in");

             ^
ciclu.cpp:11:14: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout("ciclu.out");

              ^
ciclu.cpp: In function 'void citire()':
ciclu.cpp:17:5: error: reference to 'cin' is ambiguous
     cin>>n>>m;

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

          ^
In file included from ciclu.cpp:7:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
ciclu.cpp:20:9: error: reference to 'cin' is ambiguous
         cin>>x>>y;

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

          ^
In file included from ciclu.cpp:7:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
ciclu.cpp:23:5: error: reference to 'cin' is ambiguous
     cin>>p;

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

          ^
In file included from ciclu.cpp:7:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
ciclu.cpp: In function 'void backtr(int)':
ciclu.cpp:31:13: error: reference to 'cout' is ambiguous
             cout<<s[j]<<" ";

             ^
ciclu.cpp:11:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("ciclu.out");

          ^
In file included from ciclu.cpp:7:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
ciclu.cpp:32:9: error: reference to 'cout' is ambiguous
         cout<<s[1];

         ^
ciclu.cpp:11:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("ciclu.out");

          ^
In file included from ciclu.cpp:7:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^

Cum funcționează evaluarea?