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	#64886581	Utilizator	Sandu Stefania (Sandustefania)
Fișier	bipartit1.cpp	Dimensiune	1.22 KB
Data încărcării	09 Iunie 2026, 16:18	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

bipartit1.cpp: In function ‘int main()’:
bipartit1.cpp:42:5: error: reference to ‘cin’ is ambiguous
   42 |     cin >> n >> m;
      |     ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:146,
                 from bipartit1.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
bipartit1.cpp:5:10: note:                 ‘std::ifstream cin’
    5 | ifstream cin("bipartit1.in");
      |          ^~~
bipartit1.cpp:45:9: error: reference to ‘cin’ is ambiguous
   45 |         cin >> w >> q;
      |         ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
bipartit1.cpp:5:10: note:                 ‘std::ifstream cin’
    5 | ifstream cin("bipartit1.in");
      |          ^~~
bipartit1.cpp:54:9: error: reference to ‘cout’ is ambiguous
   54 |         cout << "DA" << '\n';
      |         ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
bipartit1.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("bipartit1.out");
      |          ^~~~
bipartit1.cpp:56:27: error: reference to ‘cout’ is ambiguous
   56 |             if(v[i] == 1) cout << i << " ";
      |                           ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
bipartit1.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("bipartit1.out");
      |          ^~~~
bipartit1.cpp:57:9: error: reference to ‘cout’ is ambiguous
   57 |         cout << '\n';
      |         ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
bipartit1.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("bipartit1.out");
      |          ^~~~
bipartit1.cpp:59:28: error: reference to ‘cout’ is ambiguous
   59 |             if(v[i] == -1) cout << i << " ";
      |                            ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
bipartit1.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("bipartit1.out");
      |          ^~~~
bipartit1.cpp:60:9: error: reference to ‘cout’ is ambiguous
   60 |         cout << '\n';
      |         ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
bipartit1.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("bipartit1.out");
      |          ^~~~
bipartit1.cpp:62:10: error: reference to ‘cout’ is ambiguous
   62 |     else cout << "NU";
      |          ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
bipartit1.cpp:6:10: note:                 ‘std::ofstream cout’
    6 | ofstream cout("bipartit1.out");
      |          ^~~~

Cum funcționează evaluarea?