#478
Ciclu
Se dă lista muchiilor unui graf neorientat cu n
vârfuri și un vârf p
. Să se determine un ciclu elementar care conține vârful p
.
Problema | Ciclu | Operații I/O |
ciclu.in /ciclu.out
|
---|---|---|---|
Limita timp | 0.5 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #54536747 | Utilizator | |
Fișier | ciclu.cpp | Dimensiune | 933 B |
Data încărcării | 01 Decembrie 2024, 22:40 | Scor / rezultat | Eroare de compilare |
ciclu.cpp: In function 'int oke(int)': ciclu.cpp:23:22: error: no matching function for call to 'begin(int&)' for(auto x:G[X[k]]) ^ ciclu.cpp:23:22: note: candidates are: In file included from /usr/include/c++/4.8/bits/basic_string.h:42:0, from /usr/include/c++/4.8/string:52, 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/istream:38, from /usr/include/c++/4.8/fstream:38, from ciclu.cpp:1: /usr/include/c++/4.8/initializer_list:89:5: note: template<class _Tp> constexpr const _Tp* std::begin(std::initializer_list<_Tp>) begin(initializer_list<_Tp> __ils) noexcept ^ /usr/include/c++/4.8/initializer_list:89:5: note: template argument deduction/substitution failed: ciclu.cpp:23:22: note: mismatched types 'std::initializer_list<_Tp>' and 'int' for(auto x:G[X[k]]) ^ In file included from /usr/include/c++/4.8/string:51:0, 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/istream:38, from /usr/include/c++/4.8/fstream:38, from ciclu.cpp:1: /usr/include/c++/4.8/bits/range_access.h:87:5: note: template<class _Tp, unsigned int _Nm> _Tp* std::begin(_Tp (&)[_Nm]) begin(_Tp (&__arr)[_Nm]) ^ /usr/include/c++/4.8/bits/range_access.h:87:5: note: template argument deduction/substitution failed: ciclu.cpp:23:22: note: mismatched types '_Tp [_Nm]' and 'int' for(auto x:G[X[k]]) ^ In file included from /usr/include/c++/4.8/string:51:0, 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/istream:38, from /usr/include/c++/4.8/fstream:38, from ciclu.cpp:1: /usr/include/c++/4.8/bits/range_access.h:58:5: note: template<class _Container> decltype (__cont.begin()) std::begin(const _Container&) begin(const _Container& __cont) -> decltype(__cont.begin()) ^ /usr/include/c++/4.8/bits/range_access.h:58:5: note: template argument deduction/substitution failed: /usr/include/c++/4.8/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.begin()) std::begin(const _Container&) [with _Container = int]': ciclu.cpp:23:22: required from here /usr/include/c++/4.8/bits/range_access.h:58:5: error: request for member 'begin' in '__cont', which is of non-class type 'const int' /usr/include/c++/4.8/bits/range_access.h:48:5: note: template<class _Container> decltype (__cont.begin()) std::begin(_Container&) begin(_Container& __cont) -> decltype(__cont.begin()) ^ /usr/include/c++/4.8/bits/range_access.h:48:5: note: template argument deduction/substitution failed: /usr/include/c++/4.8/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.begin()) std::begin(_Container&) [with _Container = int]': ciclu.cpp:23:22: required from here /usr/include/c++/4.8/bits/range_access.h:48:5: error: request for member 'begin' in '__cont', which is of non-class type 'int' ciclu.cpp:23:22: error: no matching function for call to 'end(int&)' for(auto x:G[X[k]]) ^ ciclu.cpp:23:22: note: candidates are: In file included from /usr/include/c++/4.8/bits/basic_string.h:42:0, from /usr/include/c++/4.8/string:52, 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/istream:38, from /usr/include/c++/4.8/fstream:38, from ciclu.cpp:1: /usr/include/c++/4.8/initializer_list:99:5: note: template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>) end(initializer_list<_Tp> __ils) noexcept ^ /usr/include/c++/4.8/initializer_list:99:5: note: template argument deduction/substitution failed: ciclu.cpp:23:22: note: mismatched types 'std::initializer_list<_Tp>' and 'int' for(auto x:G[X[k]]) ^ In file included from /usr/include/c++/4.8/string:51:0, 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/istream:38, from /usr/include/c++/4.8/fstream:38, from ciclu.cpp:1: /usr/include/c++/4.8/bits/range_access.h:97:5: note: template<class _Tp, unsigned int _Nm> _Tp* std::end(_Tp (&)[_Nm]) end(_Tp (&__arr)[_Nm]) ^ /usr/include/c++/4.8/bits/range_access.h:97:5: note: template argument deduction/substitution failed: ciclu.cpp:23:22: note: mismatched types '_Tp [_Nm]' and 'int' for(auto x:G[X[k]]) ^ In file included from /usr/include/c++/4.8/string:51:0, 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/istream:38, from /usr/include/c++/4.8/fstream:38, from ciclu.cpp:1: /usr/include/c++/4.8/bits/range_access.h:78:5: note: template<class _Container> decltype (__cont.end()) std::end(const _Container&) end(const _Container& __cont) -> decltype(__cont.end()) ^ /usr/include/c++/4.8/bits/range_access.h:78:5: note: template argument deduction/substitution failed: /usr/include/c++/4.8/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.end()) std::end(const _Container&) [with _Container = int]': ciclu.cpp:23:22: required from here /usr/include/c++/4.8/bits/range_access.h:78:5: error: request for member 'end' in '__cont', which is of non-class type 'const int' /usr/include/c++/4.8/bits/range_access.h:68:5: note: template<class _Container> decltype (__cont.end()) std::end(_Container&) end(_Container& __cont) -> decltype(__cont.end()) ^ /usr/include/c++/4.8/bits/range_access.h:68:5: note: template argument deduction/substitution failed: /usr/include/c++/4.8/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.end()) std::end(_Container&) [with _Container = int]': ciclu.cpp:23:22: required from here /usr/include/c++/4.8/bits/range_access.h:68:5: error: request for member 'end' in '__cont', which is of non-class type 'int' ciclu.cpp: In function 'void back(int)': ciclu.cpp:36:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(oke(k)) ^ ciclu.cpp: In function 'int main()': ciclu.cpp:49:14: error: request for member 'push_back' in 'G[x]', which is of non-class type 'int' G[x].push_back(y); ^ ciclu.cpp:50:14: error: request for member 'push_back' in 'G[y]', which is of non-class type 'int' G[y].push_back(x); ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Ciclu 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.