Rezumat problemă

Chenar

#210

Să se parcurgă în sensul acelor de ceasornic chenarul exterior al unei matrice pătratice.

Variante Bacalaureat 2009

Fișiere Candale Silviu (silviu) ușoară

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor pătratice Bacalaureat Bacalaureat 2009

Rezolvă

Detalii

Problema	Chenar	Operații I/O	chenar.in/chenar.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#61288983	Utilizator	Sopu Matei (SopuMatei)
Fișier	chenar.cpp	Dimensiune	585 B
Data încărcării	23 Noiembrie 2025, 20:26	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

chenar.cpp:5:13: error: variable 'std::ifstream cin' has initializer but incomplete type
 ifstream cin("chenar.in");

             ^
chenar.cpp:6:14: error: variable 'std::ofstream cout' has initializer but incomplete type
 ofstream cout("chenar.out");

              ^
chenar.cpp: In function 'int main()':
chenar.cpp:11:5: error: reference to 'cin' is ambiguous
     cin >> n;

     ^
chenar.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("chenar.in");

          ^
In file included from chenar.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
chenar.cpp:15:13: error: reference to 'cin' is ambiguous
             cin >> M[i][j];

             ^
chenar.cpp:5:10: note: candidates are: <typeprefixerror>cin
 ifstream cin("chenar.in");

          ^
In file included from chenar.cpp:1:0:
/usr/include/c++/4.8/iostream:60:18: note:                 std::istream std::cin
   extern istream cin;  /// Linked to standard input
                  ^
chenar.cpp:20:9: error: reference to 'cout' is ambiguous
         cout << M[1][j] << " ";

         ^
chenar.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("chenar.out");

          ^
In file included from chenar.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
chenar.cpp:23:9: error: reference to 'cout' is ambiguous
         cout << M[i][n] << " ";

         ^
chenar.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("chenar.out");

          ^
In file included from chenar.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
chenar.cpp:26:9: error: reference to 'cout' is ambiguous
         cout << M[n][j] << " ";

         ^
chenar.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("chenar.out");

          ^
In file included from chenar.cpp:1:0:
/usr/include/c++/4.8/iostream:61:18: note:                 std::ostream std::cout
   extern ostream cout;  /// Linked to standard output
                  ^
chenar.cpp:29:9: error: reference to 'cout' is ambiguous
         cout << M[i][1] << " ";

         ^
chenar.cpp:6:10: note: candidates are: <typeprefixerror>cout
 ofstream cout("chenar.out");

          ^
In file included from chenar.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?