#418
Subgraf
Se dă lista muchiilor unui graf neorientat cu n
vârfuri, etichetate de la 1
la n
. Din acest graf se elimină toate vârfurile etichetate cu valori prime. Să se determine câte muchii va avea subgraful obținut.
Problema | Subgraf | Operații I/O |
![]() subgraf.in /subgraf.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #50599722 | Utilizator | |
Fișier | subgraf.cpp | Dimensiune | 801 B |
Data încărcării | 16 Aprilie 2024, 18:14 | Scor / rezultat | Eroare de compilare |
subgraf.cpp: In function 'int main()': subgraf.cpp:20:6: error: no match for 'operator>' (operand types are 'std::ifstream {aka std::basic_ifstream<char>}' and 'int') f>n; ^ subgraf.cpp:20:6: note: candidates are: In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from subgraf.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:233:5: note: template<class _T1, class _T2> constexpr bool std::operator>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^ /usr/include/c++/4.8/bits/stl_pair.h:233:5: note: template argument deduction/substitution failed: subgraf.cpp:20:7: note: 'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'const std::pair<_T1, _T2>' f>n; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from subgraf.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:309:5: note: template<class _Iterator> bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&) operator>(const reverse_iterator<_Iterator>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:309:5: note: template argument deduction/substitution failed: subgraf.cpp:20:7: note: 'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'const std::reverse_iterator<_Iterator>' f>n; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from subgraf.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:359:5: note: template<class _IteratorL, class _IteratorR> bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&) operator>(const reverse_iterator<_IteratorL>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:359:5: note: template argument deduction/substitution failed: subgraf.cpp:20:7: note: 'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'const std::reverse_iterator<_Iterator>' f>n; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from subgraf.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1079:5: note: template<class _IteratorL, class _IteratorR> bool std::operator>(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&) operator>(const move_iterator<_IteratorL>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:1079:5: note: template argument deduction/substitution failed: subgraf.cpp:20:7: note: 'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'const std::move_iterator<_Iterator>' f>n; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from subgraf.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1085:5: note: template<class _Iterator> bool std::operator>(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&) operator>(const move_iterator<_Iterator>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:1085:5: note: template argument deduction/substitution failed: subgraf.cpp:20:7: note: 'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'const std::move_iterator<_Iterator>' f>n; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from subgraf.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2606:5: note: template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::basic_string<_CharT, _Traits, _Alloc>&, const std::basic_string<_CharT, _Traits, _Alloc>&) operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2606:5: note: template argument deduction/substitution failed: subgraf.cpp:20:7: note: 'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' f>n; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from subgraf.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2618:5: note: template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*) operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2618:5: note: template argument deduction/substitution failed: subgraf.cpp:20:7: note: 'std::ifstream {aka std::basic_ifstream<char>}' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' f>n; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from subgraf.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2630:5: note: template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const std::basic_string<_CharT, _Traits, _Alloc>&) operator>(const _CharT* __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2630:5: note: template argument deduction/substitution failed: subgraf.cpp:20:7: note: mismatched types 'const _CharT*' and 'std::basic_ifstream<char>' f>n; ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Subgraf 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.