Rezumat problemă

VerifLant

#474

Se dă lista muchiilor unui graf neorientat cu n vârfuri și o succesiune de k vârfuri. Să se verifice dacă vârfurile din succesiune formează un lanț.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Teoria Grafurilor Probleme elementare cu grafuri neorientate

Rezolvă

Detalii

Problema	VerifLant	Operații I/O	veriflant.in/veriflant.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#58306964	Utilizator	Rengle Razvan (rengle_razvan)
Fișier	veriflant.cpp	Dimensiune	911 B
Data încărcării	26 Mai 2025, 12:54	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

veriflant.cpp:4:14: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin ("veriflant.in");

              ^
veriflant.cpp:5:15: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout ("veriflant.out");

               ^
veriflant.cpp: In function 'int main()':
veriflant.cpp:25:5: error: reference to 'cin' is ambiguous
     cin>>n>>m;

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

          ^
In file included from veriflant.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
veriflant.cpp:28:9: error: reference to 'cin' is ambiguous
         cin>>x>>y;

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

          ^
In file included from veriflant.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
veriflant.cpp:31:5: error: reference to 'cin' is ambiguous
     cin>>k;

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

          ^
In file included from veriflant.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
veriflant.cpp:34:9: error: reference to 'cin' is ambiguous
         cin>>p;

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

          ^
In file included from veriflant.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
veriflant.cpp:36:13: error: reference to 'cin' is ambiguous
             cin>>v[j];

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

          ^
In file included from veriflant.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
veriflant.cpp:39:13: error: reference to 'cout' is ambiguous
             cout<<"ELEMENTAR"<<endl;

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

          ^
In file included from veriflant.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
veriflant.cpp:41:13: error: reference to 'cout' is ambiguous
             cout<<"NEELEMENTAR"<<endl;

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

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

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

          ^
In file included from veriflant.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?