Rezumat problemă

PartitiiMultime1

#3168

Fie n un număr natural nenul, mulțimea A={1,2,3,...,n} și un număr m, 1 ≤ m ≤ n. Să se determine toate partițiile disjuncte ale mulțimii A, formate din exact m submulțimi.

Fișiere Candale Silviu (silviu) ușoară

Clasa 11 Backtracking Elemente de combinatorică

Rezolvă

Detalii

Problema	PartitiiMultime1	Operații I/O	pm.in/pm.out
Limita timp	0.2 secunde	Limita memorie	Total: 2 MB / Stivă 2 MB
Id soluție	#64434449	Utilizator	Stefanet Evelina (Stefanet_Evelina14)
Fișier	partitiimultime1.cpp	Dimensiune	750 B
Data încărcării	06 Mai 2026, 18:38	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

partitiimultime1.cpp:4:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type
    4 | ifstream cin("pm.in");
      |             ^
partitiimultime1.cpp:5:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type
    5 | ofstream cout("pm.out");
      |              ^
partitiimultime1.cpp: In function ‘void afisare()’:
partitiimultime1.cpp:11:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   11 |     for(int i=1;i<=n;i++)
      |     ^~~
partitiimultime1.cpp:14:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   14 |         if(vm==m){
      |         ^~
partitiimultime1.cpp:18:13: error: reference to ‘cout’ is ambiguous
   18 |             cout<<j;
      |             ^~~~
In file included from partitiimultime1.cpp:1:
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
partitiimultime1.cpp:5:10: note:                 ‘<typeprefixerror>cout’
    5 | ofstream cout("pm.out");
      |          ^~~~
partitiimultime1.cpp:19:9: error: reference to ‘cout’ is ambiguous
   19 |         cout<<"*";
      |         ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
partitiimultime1.cpp:5:10: note:                 ‘<typeprefixerror>cout’
    5 | ofstream cout("pm.out");
      |          ^~~~
partitiimultime1.cpp:21:5: error: reference to ‘cout’ is ambiguous
   21 |     cout<<'\n';
      |     ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
partitiimultime1.cpp:5:10: note:                 ‘<typeprefixerror>cout’
    5 | ofstream cout("pm.out");
      |          ^~~~
partitiimultime1.cpp: In function ‘int main()’:
partitiimultime1.cpp:44:5: error: reference to ‘cin’ is ambiguous
   44 |     cin>>n>>m;
      |     ^~~
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
partitiimultime1.cpp:4:10: note:                 ‘<typeprefixerror>cin’
    4 | ifstream cin("pm.in");
      |          ^~~

Cum funcționează evaluarea?