Rezumat problemă

Permutari

#123

Se citeşte un număr natural nenul n. Să se afişeze, în ordine lexicografică, permutările mulţimii {1,2,..,n}.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	Permutari	Operații I/O	permutari.in/permutari.out
Limita timp	0.5 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#34360699	Utilizator	Mîrzea 𝔏𝔞𝔲𝔯𝔞 (lLaura)
Fișier	permutari.cpp	Dimensiune	1.04 KB
Data încărcării	30 Ianuarie 2022, 20:09	Scor / rezultat	Eroare de compilare

Evaluare

Mesaj compilare

permutari.cpp:4:13: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin("permutari1.in");

             ^
permutari.cpp:5:14: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout("permutari1.out");

              ^
permutari.cpp: In function 'void afisez(int*, int)':
permutari.cpp:13:9: error: reference to 'cout' is ambiguous
         cout<<st[i]<<" ";

         ^
permutari.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("permutari1.out");

          ^
In file included from permutari.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
permutari.cpp:14:9: error: reference to 'cout' is ambiguous
         cout<<endl;

         ^
permutari.cpp:5:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("permutari1.out");

          ^
In file included from permutari.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
permutari.cpp: In function 'void bk(int*, int)':
permutari.cpp:43:28: error: 'as' was not declared in this scope
             succesor (st,k,as);

                            ^
permutari.cpp:47:16: error: 'as' was not declared in this scope
         while (as && !ev);

                ^
permutari.cpp: In function 'int main()':
permutari.cpp:63:5: error: reference to 'cin' is ambiguous
     cin>>n>>ev;

     ^
permutari.cpp:4:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("permutari1.in");

          ^
In file included from permutari.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
permutari.cpp:64:9: error: 'st' was not declared in this scope
     bk (st,k);

         ^
permutari.cpp:64:12: error: 'k' was not declared in this scope
     bk (st,k);

            ^

Cum funcționează evaluarea?