#3450
Se dă un graf orientat cu n vârfuri și m arce prin lista arcelor și un număr natural k. Afișați vârfurile din graf care au suma gradelor (interior și exterior) egală cu k.
| Problema | gegik | Operații I/O |
tastatură/ecran
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64766370 | Utilizator | |
| Fișier | gegik.cpp | Dimensiune | 396 B |
| Data încărcării | 28 Mai 2026, 17:34 | Scor/rezultat | Eroare de compilare |
gegik.cpp: In function ‘int main()’: gegik.cpp:18:23: error: no match for ‘operator==’ (operand types are ‘std::vector<int>’ and ‘int’) 18 | if (v == k) | ~ ^~ ~ | | | | | int | std::vector<int> In file included from /usr/include/c++/13/iosfwd:42, from /usr/include/c++/13/ios:40, from /usr/include/c++/13/ostream:40, from /usr/include/c++/13/iostream:41, from gegik.cpp:1: /usr/include/c++/13/bits/postypes.h:192:5: note: candidate: ‘template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)’ 192 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) | ^~~~~~~~ /usr/include/c++/13/bits/postypes.h:192:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::fpos<_StateT>’ 18 | if (v == k) | ^ In file included from /usr/include/c++/13/string:43, 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: /usr/include/c++/13/bits/allocator.h:237:5: note: candidate: ‘template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)’ 237 | operator==(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/13/bits/allocator.h:237:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::allocator<_CharT>’ 18 | if (v == k) | ^ In file included from /usr/include/c++/13/string:48: /usr/include/c++/13/bits/stl_iterator.h:448:5: note: candidate: ‘template<class _Iterator> bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)’ 448 | operator==(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/13/bits/stl_iterator.h:448:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::reverse_iterator<_Iterator>’ 18 | if (v == k) | ^ /usr/include/c++/13/bits/stl_iterator.h:493:5: note: candidate: ‘template<class _IteratorL, class _IteratorR> bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)’ 493 | operator==(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/13/bits/stl_iterator.h:493:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::reverse_iterator<_Iterator>’ 18 | if (v == k) | ^ /usr/include/c++/13/bits/stl_iterator.h:1678:5: note: candidate: ‘template<class _IteratorL, class _IteratorR> bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)’ 1678 | operator==(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/13/bits/stl_iterator.h:1678:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::move_iterator<_IteratorL>’ 18 | if (v == k) | ^ /usr/include/c++/13/bits/stl_iterator.h:1748:5: note: candidate: ‘template<class _Iterator> bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)’ 1748 | operator==(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/13/bits/stl_iterator.h:1748:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::move_iterator<_IteratorL>’ 18 | if (v == k) | ^ In file included from /usr/include/c++/13/bits/stl_algobase.h:64, from /usr/include/c++/13/string:51: /usr/include/c++/13/bits/stl_pair.h:812:5: note: candidate: ‘template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)’ 812 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/13/bits/stl_pair.h:812:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::pair<_T1, _T2>’ 18 | if (v == k) | ^ In file included from /usr/include/c++/13/string:54: /usr/include/c++/13/bits/basic_string.h:3710:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Alloc>&, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 3710 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:3710:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ 18 | if (v == k) | ^ /usr/include/c++/13/bits/basic_string.h:3727:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)’ 3727 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:3727:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ 18 | if (v == k) | ^ /usr/include/c++/13/bits/basic_string.h:3774:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 3774 | operator==(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:3774:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: mismatched types ‘const _CharT*’ and ‘std::vector<int>’ 18 | if (v == k) | ^ In file included from /usr/include/c++/13/bits/locale_facets.h:48, from /usr/include/c++/13/bits/basic_ios.h:37, from /usr/include/c++/13/ios:46: /usr/include/c++/13/bits/streambuf_iterator.h:234:5: note: candidate: ‘template<class _CharT, class _Traits> bool std::operator==(const istreambuf_iterator<_CharT, _Traits>&, const istreambuf_iterator<_CharT, _Traits>&)’ 234 | operator==(const istreambuf_iterator<_CharT, _Traits>& __a, | ^~~~~~~~ /usr/include/c++/13/bits/streambuf_iterator.h:234:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: ‘std::vector<int>’ is not derived from ‘const std::istreambuf_iterator<_CharT, _Traits>’ 18 | if (v == k) | ^ In file included from /usr/include/c++/13/vector:66, from gegik.cpp:2: /usr/include/c++/13/bits/stl_vector.h:2040:5: note: candidate: ‘template<class _Tp, class _Alloc> bool std::operator==(const vector<_Tp, _Alloc>&, const vector<_Tp, _Alloc>&)’ 2040 | operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/13/bits/stl_vector.h:2040:5: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: mismatched types ‘const std::vector<_Tp, _Alloc>’ and ‘int’ 18 | if (v == k) | ^ In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/c++allocator.h:33, from /usr/include/c++/13/bits/allocator.h:46: /usr/include/c++/13/bits/new_allocator.h:215:9: note: candidate: ‘template<class _Up> bool std::operator==(const __new_allocator<int>&, const __new_allocator<_Tp>&)’ 215 | operator==(const __new_allocator&, const __new_allocator<_Up>&) | ^~~~~~~~ /usr/include/c++/13/bits/new_allocator.h:215:9: note: template argument deduction/substitution failed: gegik.cpp:18:26: note: mismatched types ‘const std::__new_allocator<_Tp>’ and ‘int’ 18 | if (v == k) | ^ In file included from /usr/include/c++/13/bits/ios_base.h:46: /usr/include/c++/13/system_error:449:3: note: candidate: ‘bool std::operator==(const error_code&, const error_code&)’ 449 | operator==(const error_code& __lhs, const error_code& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/13/system_error:449:32: note: no known conversion for argument 1 from ‘std::vector<int>’ to ‘const std::error_code&’ 449 | operator==(const error_code& __lhs, const error_code& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/13/system_error:465:3: note: candidate: ‘bool std::operator==(const error_code&, const error_condition&)’ 465 | operator==(const error_code& __lhs, const error_condition& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/13/system_error:465:32: note: no known conversion for argument 1 from ‘std::vector<int>’ to ‘const std::error_code&’ 465 | operator==(const error_code& __lhs, const error_condition& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/13/system_error:480:3: note: candidate: ‘bool std::operator==(const error_condition&, const error_condition&)’ 480 | operator==(const error_condition& __lhs, | ^~~~~~~~ /usr/include/c++/13/system_error:480:37: note: no known conversion for argument 1 from ‘std::vector<int>’ to ‘const std::error_condition&’ 480 | operator==(const error_condition& __lhs, | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/13/system_error:517:3: note: candidate: ‘bool std::operator==(const error_condition&, const error_code&)’ 517 | operator==(const error_condition& __lhs, const error_code& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/13/system_error:517:37: note: no known conversion for argument 1 from ‘std::vector<int>’ to ‘const std::error_condition&’ 517 | operator==(const error_condition& __lhs, const error_code& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/13/bits/allocator.h:216:7: note: candidate: ‘bool std::operator==(const allocator<int>&, const allocator<int>&)’ 216 | operator==(const allocator&, const allocator&) _GLIBCXX_NOTHROW | ^~~~~~~~ /usr/include/c++/13/bits/allocator.h:216:18: note: no known conversion for argument 1 from ‘std::vector<int>’ to ‘const std::allocator<int>&’ 216 | operator==(const allocator&, const allocator&) _GLIBCXX_NOTHROW | ^~~~~~~~~~~~~~~~
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema gegik 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.