Rezumat problemă

GenMat7

#216

Scrieţi un program care citeşte de la tastatură un număr natural n şi construieşte în memorie o matrice cu n linii şi n coloane în care elementele de pe cele două diagonale sunt egale cu 0, elementele care se află deasupra ambelor diagonale sunt egale cu 1, elementele care se află sub ambele diagonale sunt egale cu 2, iar restul elementelor sunt egale cu 3.

Variante Bacalaureat 2009

Consola Candale Silviu (silviu) ușoară

Clasa 9 Tablouri bidimensionale (matrice) Generări de matrice Bacalaureat Bacalaureat 2009

Rezolvă

Detalii

Problema	GenMat7	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64682634	Utilizator	Mindru Filip (MindruFilip)
Fișier	genmat7.cpp	Dimensiune	682 B
Data încărcării	22 Mai 2026, 14:33	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

genmat7.cpp:2:7: error: expected nested-name-specifier before ‘namespce’
    2 | using namespce std;
      |       ^~~~~~~~
genmat7.cpp: In function ‘int main()’:
genmat7.cpp:7:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
    7 |     cin>>n;
      |     ^~~
      |     std::cin
In file included from genmat7.cpp:1:
/usr/include/c++/13/iostream:62:18: note: ‘std::cin’ declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
genmat7.cpp:12:20: warning: init-statement in selection statements only available with ‘-std=c++17’ or ‘-std=gnu++17’ [-Wc++17-extensions]
   12 |                 if(i==j || i+j=n+1;)
      |                    ^
genmat7.cpp:12:25: error: lvalue required as left operand of assignment
   12 |                 if(i==j || i+j=n+1;)
      |                    ~~~~~^~~~~~
genmat7.cpp:12:36: error: expected primary-expression before ‘)’ token
   12 |                 if(i==j || i+j=n+1;)
      |                                    ^
genmat7.cpp:31:13: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   31 |             cout<<a[i][j]<<" ";
      |             ^~~~
      |             std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
genmat7.cpp:32:9: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
   32 |         cout<<endl;
      |         ^~~~
      |         std::cout
/usr/include/c++/13/iostream:63:18: note: ‘std::cout’ declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
genmat7.cpp:32:15: error: ‘endl’ was not declared in this scope; did you mean ‘std::endl’?
   32 |         cout<<endl;
      |               ^~~~
      |               std::endl
In file included from /usr/include/c++/13/iostream:41:
/usr/include/c++/13/ostream:735:5: note: ‘std::endl’ declared here
  735 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~

Cum funcționează evaluarea?