Rezumat problemă

Graf complet

#431

Se dau mai multe grafuri neorientate, prin matricea de adiacență. Să se verifice despre fiecare graf dacă este complet.

Fișiere Candale Silviu (silviu) Silviu Candale medie

Clasa 11 Teoria Grafurilor Probleme elementare cu grafuri neorientate

Rezolvă

Detalii

Problema	Graf complet	Operații I/O	graf_complet.in/graf_complet.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64315669	Utilizator	Talaba Lavinia (Talaba_Lavinia)
Fișier	graf_complet.cpp	Dimensiune	684 B
Data încărcării	29 Aprilie 2026, 11:35	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

graf_complet.cpp:3:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type
    3 | ifstream cin("graf_complet.in");
      |             ^
graf_complet.cpp:4:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type
    4 | ofstream cout("graf_complet.out");
      |              ^
graf_complet.cpp: In function ‘int main()’:
graf_complet.cpp:9:5: error: reference to ‘cin’ is ambiguous
    9 |     cin >> n;
      |     ^~~
In file included from graf_complet.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
graf_complet.cpp:3:10: note:                 ‘<typeprefixerror>cin’
    3 | ifstream cin("graf_complet.in");
      |          ^~~
graf_complet.cpp:13:9: error: reference to ‘cin’ is ambiguous
   13 |         cin >> m;
      |         ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
graf_complet.cpp:3:10: note:                 ‘<typeprefixerror>cin’
    3 | ifstream cin("graf_complet.in");
      |          ^~~
graf_complet.cpp:16:17: error: reference to ‘cin’ is ambiguous
   16 |                 cin >> a[i][j];
      |                 ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
graf_complet.cpp:3:10: note:                 ‘<typeprefixerror>cin’
    3 | ifstream cin("graf_complet.in");
      |          ^~~
graf_complet.cpp:20:22: error: reference to ‘cout’ is ambiguous
   20 |         if(cnt <= m) cout << "DA" << endl;
      |                      ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
graf_complet.cpp:4:10: note:                 ‘<typeprefixerror>cout’
    4 | ofstream cout("graf_complet.out");
      |          ^~~~
graf_complet.cpp:21:14: error: reference to ‘cout’ is ambiguous
   21 |         else cout << "NU" << endl;
      |              ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
graf_complet.cpp:4:10: note:                 ‘<typeprefixerror>cout’
    4 | ofstream cout("graf_complet.out");
      |          ^~~~

Cum funcționează evaluarea?