Rezumat problemă

GenMat8

#217

Scrieţi un program care citeşte de la tastatură un număr natural n şi construieşte în memorie o matrice cu n linii şi n coloane, numerotate de la 1 la n, în care elementele de pe liniile cu indice impar sunt egale cu indicele de linie, iar elementele situate pe linii cu indice par sunt egale cu indicele de coloană.

Variante Bacalaureat 2009

Consola Candale Silviu (silviu) ușoară

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

Rezolvă

Detalii

Problema	GenMat8	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64755837	Utilizator	Markovits Daria (markovits)
Fișier	genmat8.cpp	Dimensiune	346 B
Data încărcării	28 Mai 2026, 08:51	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

genmat8.cpp: In function ‘int main()’:
genmat8.cpp:16:28: error: no match for ‘operator>>’ (operand types are ‘std::basic_ostream<char>’ and ‘const char [2]’)
   16 |                     cout<<j>>" ";
      |                     ~~~~~~~^~~~~
      |                         |    |
      |                         |    const char [2]
      |                         std::basic_ostream<char>
In file included from /usr/include/c++/13/string:55,
                 from /usr/include/c++/13/bits/locale_classes.h:40,
                 from /usr/include/c++/13/bits/ios_base.h:41,
                 from /usr/include/c++/13/ios:44,
                 from /usr/include/c++/13/ostream:40,
                 from /usr/include/c++/13/iostream:41,
                 from genmat8.cpp:1:
/usr/include/c++/13/bits/basic_string.tcc:827:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
  827 |     operator>>(basic_istream<_CharT, _Traits>& __in,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.tcc:827:5: note:   template argument deduction/substitution failed:
genmat8.cpp:16:30: note:   ‘std::basic_ostream<char>’ is not derived from ‘std::basic_istream<_CharT, _Traits>’
   16 |                     cout<<j>>" ";
      |                              ^~~
In file included from /usr/include/c++/13/istream:1106,
                 from /usr/include/c++/13/iostream:42:
/usr/include/c++/13/bits/istream.tcc:975:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)’
  975 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
      |     ^~~~~~~~
/usr/include/c++/13/bits/istream.tcc:975:5: note:   template argument deduction/substitution failed:
genmat8.cpp:16:30: note:   ‘std::basic_ostream<char>’ is not derived from ‘std::basic_istream<_CharT, _Traits>’
   16 |                     cout<<j>>" ";
      |                              ^~~
/usr/include/c++/13/istream:846:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)’
  846 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
      |     ^~~~~~~~
/usr/include/c++/13/istream:846:5: note:   template argument deduction/substitution failed:
genmat8.cpp:16:30: note:   ‘std::basic_ostream<char>’ is not derived from ‘std::basic_istream<char, _Traits>’
   16 |                     cout<<j>>" ";
      |                              ^~~
/usr/include/c++/13/istream:851:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)’
  851 |     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
      |     ^~~~~~~~
/usr/include/c++/13/istream:851:5: note:   template argument deduction/substitution failed:
genmat8.cpp:16:30: note:   ‘std::basic_ostream<char>’ is not derived from ‘std::basic_istream<char, _Traits>’
   16 |                     cout<<j>>" ";
      |                              ^~~
/usr/include/c++/13/istream:893:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)’
  893 |     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
      |     ^~~~~~~~
/usr/include/c++/13/istream:893:5: note:   template argument deduction/substitution failed:
genmat8.cpp:16:30: note:   ‘std::basic_ostream<char>’ is not derived from ‘std::basic_istream<_CharT, _Traits>’
   16 |                     cout<<j>>" ";
      |                              ^~~
/usr/include/c++/13/istream:936:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)’
  936 |     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/istream:936:5: note:   template argument deduction/substitution failed:
genmat8.cpp:16:30: note:   ‘std::basic_ostream<char>’ is not derived from ‘std::basic_istream<char, _Traits>’
   16 |                     cout<<j>>" ";
      |                              ^~~
/usr/include/c++/13/istream:942:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)’
  942 |     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
      |     ^~~~~~~~
/usr/include/c++/13/istream:942:5: note:   template argument deduction/substitution failed:
genmat8.cpp:16:30: note:   ‘std::basic_ostream<char>’ is not derived from ‘std::basic_istream<char, _Traits>’
   16 |                     cout<<j>>" ";
      |                              ^~~
/usr/include/c++/13/istream:1096:5: note: candidate: ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)’
 1096 |     operator>>(_Istream&& __is, _Tp&& __x)
      |     ^~~~~~~~
/usr/include/c++/13/istream:1096:5: note:   template argument deduction/substitution failed:
/usr/include/c++/13/istream: In substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ostream<char>&; _Tp = const char (&)[2]]’:
genmat8.cpp:16:30:   required from here
/usr/include/c++/13/istream:1096:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’

Cum funcționează evaluarea?