#416
Grade
Se dă lista muchiilor unui graf neorientat. Să se afișeze gradul fiecărui vârf.
Problema | Grade | Operații I/O |
grade.in /grade.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #20878911 | Utilizator | |
Fișier | grade.cpp | Dimensiune | 366 B |
Data încărcării | 13 Februarie 2020, 09:22 | Scor / rezultat | Eroare de compilare |
grade.cpp: In function 'int main()': grade.cpp:15:7: error: no match for 'operator=' (operand types are 'std::fstream {aka std::basic_fstream<char>}' and 'int') {g=0; ^ grade.cpp:15:7: note: candidate is: In file included from grade.cpp:2:0: /usr/include/c++/4.8/fstream:776:11: note: std::basic_fstream<char>& std::basic_fstream<char>::operator=(const std::basic_fstream<char>&) <deleted> class basic_fstream : public basic_iostream<_CharT, _Traits> ^ /usr/include/c++/4.8/fstream:776:11: note: no known conversion for argument 1 from 'int' to 'const std::basic_fstream<char>&' grade.cpp:17:13: error: no match for 'operator+' (operand types are 'std::fstream {aka std::basic_fstream<char>}' and 'int') g=g+a[j][i]; ^ grade.cpp:17:13: note: candidates are: 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 grade.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:333:5: note: template<class _Iterator> std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&) operator+(typename reverse_iterator<_Iterator>::difference_type __n, ^ /usr/include/c++/4.8/bits/stl_iterator.h:333:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1118:5: note: template<class _Iterator> std::move_iterator<_Iterator> std::operator+(typename std::move_iterator<_Iterator>::difference_type, const std::move_iterator<_Iterator>&) operator+(typename move_iterator<_Iterator>::difference_type __n, ^ /usr/include/c++/4.8/bits/stl_iterator.h:1118:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: mismatched types 'const std::move_iterator<_Iterator>' and 'int' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2365:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> 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:2365:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: 'std::fstream {aka std::basic_fstream<char>}' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' g=g+a[j][i]; ^ In file included from /usr/include/c++/4.8/string:53:0, 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.tcc:692:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, const std::basic_string<_CharT, _Traits, _Alloc>&) operator+(const _CharT* __lhs, ^ /usr/include/c++/4.8/bits/basic_string.tcc:692:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: mismatched types 'const _CharT*' and 'std::basic_fstream<char>' g=g+a[j][i]; ^ In file included from /usr/include/c++/4.8/string:53:0, 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.tcc:708:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, const std::basic_string<_CharT, _Traits, _Alloc>&) operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs) ^ /usr/include/c++/4.8/bits/basic_string.tcc:708:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'int' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2402:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> 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:2402:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: 'std::fstream {aka std::basic_fstream<char>}' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2418:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::basic_string<_CharT, _Traits, _Alloc>&, _CharT) operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs) ^ /usr/include/c++/4.8/bits/basic_string.h:2418:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: 'std::fstream {aka std::basic_fstream<char>}' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2430:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::basic_string<_CharT, _Traits, _Alloc>&&, const std::basic_string<_CharT, _Traits, _Alloc>&) operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2430:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: 'std::fstream {aka std::basic_fstream<char>}' is not derived from 'std::basic_string<_CharT, _Traits, _Alloc>' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2436:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::basic_string<_CharT, _Traits, _Alloc>&, std::basic_string<_CharT, _Traits, _Alloc>&&) operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2436:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: 'std::fstream {aka std::basic_fstream<char>}' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2442:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::basic_string<_CharT, _Traits, _Alloc>&&, std::basic_string<_CharT, _Traits, _Alloc>&&) operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2442:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: 'std::fstream {aka std::basic_fstream<char>}' is not derived from 'std::basic_string<_CharT, _Traits, _Alloc>' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2454:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, std::basic_string<_CharT, _Traits, _Alloc>&&) operator+(const _CharT* __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2454:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: mismatched types 'const _CharT*' and 'std::basic_fstream<char>' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2460:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, std::basic_string<_CharT, _Traits, _Alloc>&&) operator+(_CharT __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2460:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: mismatched types 'std::basic_string<_CharT, _Traits, _Alloc>' and 'int' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2466:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::basic_string<_CharT, _Traits, _Alloc>&&, const _CharT*) operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2466:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: 'std::fstream {aka std::basic_fstream<char>}' is not derived from 'std::basic_string<_CharT, _Traits, _Alloc>' g=g+a[j][i]; ^ 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 grade.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2472:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::basic_string<_CharT, _Traits, _Alloc>&&, _CharT) operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2472:5: note: template argument deduction/substitution failed: grade.cpp:17:20: note: 'std::fstream {aka std::basic_fstream<char>}' is not derived from 'std::basic_string<_CharT, _Traits, _Alloc>' g=g+a[j][i]; ^ grade.cpp:19:15: error: expected '}' at end of input return 0;} ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Grade 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.