Rezumat problemă

Sierpinski

#2082

Se dă un număr natural n. Să se genereze o matrice pătratică de ordinul 3n, cu elemente din mulțimea {0, 1}, după modelul covorului lui Sierpinski.

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Rezolvă

Detalii

Problema	Sierpinski	Operații I/O	sierpinski.in/sierpinski.out
Limita timp	0.2 secunde	Limita memorie	Total: 0.2 MB / Stivă 0.2 MB
Id soluție	#64696558	Utilizator	Gociu Maria (Mariaabc)
Fișier	sierpinski.cpp	Dimensiune	649 B
Data încărcării	24 Mai 2026, 13:37	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

sierpinski.cpp:6:13: error: variable ‘std::ifstream cin’ has initializer but incomplete type
    6 | ifstream cin("sierpinski.in");
      |             ^
sierpinski.cpp:7:14: error: variable ‘std::ofstream cout’ has initializer but incomplete type
    7 | ofstream cout("sierpinski.out");
      |              ^
sierpinski.cpp: In function ‘int main()’:
sierpinski.cpp:11:5: error: reference to ‘cin’ is ambiguous
   11 |     cin>>n;
      |     ^~~
In file included from sierpinski.cpp:1:
/usr/include/c++/13/iostream:62:18: note: candidates are: ‘std::istream std::cin’
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
sierpinski.cpp:6:10: note:                 ‘<typeprefixerror>cin’
    6 | ifstream cin("sierpinski.in");
      |          ^~~
sierpinski.cpp:12:24: error: expected primary-expression before ‘)’ token
   12 |     for(int i=1;i<=n;i+)dim*=3;
      |                        ^
sierpinski.cpp:27:13: error: reference to ‘cout’ is ambiguous
   27 |             cout<<val<<" ";
      |             ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
sierpinski.cpp:7:10: note:                 ‘<typeprefixerror>cout’
    7 | ofstream cout("sierpinski.out");
      |          ^~~~
sierpinski.cpp:29:9: error: reference to ‘cout’ is ambiguous
   29 |         cout<<"\n";
      |         ^~~~
/usr/include/c++/13/iostream:63:18: note: candidates are: ‘std::ostream std::cout’
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
sierpinski.cpp:7:10: note:                 ‘<typeprefixerror>cout’
    7 | ofstream cout("sierpinski.out");
      |          ^~~~

Cum funcționează evaluarea?