Rezumat problemă

Graf Partial 2

#422

Se dă lista muchiilor unui graf neorientat cu n vârfuri, etichetate de la 1 la n. Din acest graf se elimină toate muchiile cu o extremitate într-un vârf de grad maxim. Să se determine numărul de muchii eliminate și să se afișeze matricea de adiacență a grafului parțial obținut.

Fișiere Candale Silviu (silviu) medie

Clasa 11 Teoria Grafurilor Probleme elementare cu grafuri neorientate

Rezolvă

Detalii

Problema	Graf Partial 2	Operații I/O	graf_partial_2.in/graf_partial_2.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#63982912	Utilizator	Onel Teodor (Onel_Teodor)
Fișier	graf_partial_2.cpp	Dimensiune	1.05 KB
Data încărcării	01 Aprilie 2026, 17:36	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

graf_partial_2.cpp: In function 'int main()':
graf_partial_2.cpp:21:5: error: reference to 'cin' is ambiguous
     cin >> n;

     ^
graf_partial_2.cpp:5:10: note: candidates are: std::ifstream cin
 ifstream cin("graf_partial_2.in");

          ^
In file included from graf_partial_2.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
graf_partial_2.cpp:23:12: error: reference to 'cin' is ambiguous
     while (cin >> x >> y)

            ^
graf_partial_2.cpp:5:10: note: candidates are: std::ifstream cin
 ifstream cin("graf_partial_2.in");

          ^
In file included from graf_partial_2.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
graf_partial_2.cpp:42:5: error: reference to 'cout' is ambiguous
     cout << nr << '\n';

     ^
graf_partial_2.cpp:6:10: note: candidates are: std::ofstream cout
 ofstream cout("graf_partial_2.out");

          ^
In file included from graf_partial_2.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
graf_partial_2.cpp:46:13: error: reference to 'cout' is ambiguous
             cout << a[i][j] << ' ';

             ^
graf_partial_2.cpp:6:10: note: candidates are: std::ofstream cout
 ofstream cout("graf_partial_2.out");

          ^
In file included from graf_partial_2.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
graf_partial_2.cpp:48:9: error: reference to 'cout' is ambiguous
         cout << '\n';

         ^
graf_partial_2.cpp:6:10: note: candidates are: std::ofstream cout
 ofstream cout("graf_partial_2.out");

          ^
In file included from graf_partial_2.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
graf_partial_2.cpp:51:5: error: reference to 'cin' is ambiguous
     cin.close();

     ^
graf_partial_2.cpp:5:10: note: candidates are: std::ifstream cin
 ifstream cin("graf_partial_2.in");

          ^
In file included from graf_partial_2.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
graf_partial_2.cpp:52:5: error: reference to 'cout' is ambiguous
     cout.close();

     ^
graf_partial_2.cpp:6:10: note: candidates are: std::ofstream cout
 ofstream cout("graf_partial_2.out");

          ^
In file included from graf_partial_2.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?