#225
Scrieţi un program care citeşte de la tastatură doua numere naturale n şi k şi construieşte în memorie o matrice cu n linii şi n coloane formată numai din valori 1, 2, 3 şi 4 astfel încât: elementele aflate la intersecţia primelor k linii cu primele k coloane sunt egale cu 1, elementele aflate la intersecţia primelor k linii cu ultimele n-k coloane sunt egale cu 2, elementele aflate la intersecţia ultimelor n-k linii cu primele k coloane sunt egale cu 3, elementele aflate la intersecţia ultimelor n-k linii cu ultimele n-k coloane sunt egale cu 4.
Variante Bacalaureat 2009
| Problema | GenMat12 | Operații I/O |
tastatură/ecran
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64519639 | Utilizator | |
| Fișier | genmat12.cpp | Dimensiune | 364 B |
| Data încărcării | 12 Mai 2026, 11:21 | Scor/rezultat | Eroare de compilare |
genmat12.cpp: In function ‘int main()’: genmat12.cpp:13:15: error: expected primary-expression before ‘=’ token 13 | else if(i,=k and j>k) | ^ genmat12.cpp:14:13: error: no match for ‘operator>>’ (operand types are ‘std::ostream’ {aka ‘std::basic_ostream<char>’} and ‘int’) 14 | cout>>2; | ~~~~^~~ | | | | | int | std::ostream {aka std::basic_ostream<char>} genmat12.cpp:14:13: note: candidate: ‘operator>>(int, int)’ (built-in) 14 | cout>>2; | ~~~~^~~ genmat12.cpp:14:13: note: no known conversion for argument 1 from ‘std::ostream’ {aka ‘std::basic_ostream<char>’} to ‘int’ 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 genmat12.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: genmat12.cpp:14:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’ 14 | cout>>2; | ^ 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: genmat12.cpp:14:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’ 14 | cout>>2; | ^ /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: genmat12.cpp:14:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’ 14 | cout>>2; | ^ /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: genmat12.cpp:14:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’ 14 | cout>>2; | ^ /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: genmat12.cpp:14:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’ 14 | cout>>2; | ^ /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: genmat12.cpp:14:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’ 14 | cout>>2; | ^ /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: genmat12.cpp:14:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’ 14 | cout>>2; | ^ /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 = int]’: genmat12.cpp:14:15: required from here /usr/include/c++/13/istream:1096:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’ genmat12.cpp:16:13: error: no match for ‘operator>>’ (operand types are ‘std::ostream’ {aka ‘std::basic_ostream<char>’} and ‘int’) 16 | cout>>3; | ~~~~^~~ | | | | | int | std::ostream {aka std::basic_ostream<char>} genmat12.cpp:16:13: note: candidate: ‘operator>>(int, int)’ (built-in) 16 | cout>>3; | ~~~~^~~ genmat12.cpp:16:13: note: no known conversion for argument 1 from ‘std::ostream’ {aka ‘std::basic_ostream<char>’} to ‘int’ /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: genmat12.cpp:16:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’ 16 | cout>>3; | ^ /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: genmat12.cpp:16:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’ 16 | cout>>3; | ^ /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: genmat12.cpp:16:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’ 16 | cout>>3; | ^ /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: genmat12.cpp:16:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’ 16 | cout>>3; | ^ /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: genmat12.cpp:16:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<_CharT, _Traits>’ 16 | cout>>3; | ^ /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: genmat12.cpp:16:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’ 16 | cout>>3; | ^ /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: genmat12.cpp:16:15: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘std::basic_istream<char, _Traits>’ 16 | cout>>3; | ^ /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 = int]’: genmat12.cpp:16:15: required from here /usr/include/c++/13/istream:1096:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema GenMat12 face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.