Rezumat problemă

Conex

#437

Se dă lista muchiilor unui graf neorientat. Să se verifice dacă graful este sau nu conex.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Teoria Grafurilor Parcurgerea grafurilor neorientate

Rezolvă

Detalii

Problema	Conex	Operații I/O	conex.in/conex.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#44760611	Utilizator	anca andrei (andreiANCA)
Fișier	conex.cpp	Dimensiune	719 B
Data încărcării	21 Septembrie 2023, 11:36	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

conex.cpp:4:13: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin("conex.in");

             ^
conex.cpp:5:14: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout("conex.out");

              ^
conex.cpp: In function 'void parcurgere(int)':
conex.cpp:10:5: error: 'q' was not declared in this scope
     q.push(vf);

     ^
conex.cpp:11:11: error: 'viz' cannot be used as a function
     viz(vf)=1;

           ^
conex.cpp:18:21: error: 'i' was not declared in this scope
             if(a[x][i]==1&&viz[i]==0)

                     ^
conex.cpp:20:21: error: 'i' was not declared in this scope
                 viz[i]=1;

                     ^
conex.cpp: In function 'int main()':
conex.cpp:27:5: error: reference to 'cin' is ambiguous
     cin>>n;

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

          ^
In file included from conex.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
conex.cpp:28:11: error: reference to 'cin' is ambiguous
     while(cin>>x>>y)

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

          ^
In file included from conex.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
conex.cpp:34:12: error: 'i' was not declared in this scope
     if(viz[i]==0)

            ^
conex.cpp:36:9: error: reference to 'cout' is ambiguous
         cout<<"NU";

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

          ^
In file included from conex.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
conex.cpp:39:5: error: reference to 'cout' is ambiguous
     cout<<"DA";

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

          ^
In file included from conex.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?