#2178
Furnica
Pe o tablă de şah cu n
linii şi n
coloane se află firimituri de pâine şi o furnică. Pentru fiecare pătrăţel, inclusiv cel în care se găseşte furnica, aflat pe linia i
şi coloana j
, cantitatea de firimituri de pâine este egală cu restul împărţirii lui i+j la 6
.
OJI 2007, Clasa a VI-a
Problema | Furnica | Operații I/O |
![]() furnica.in /furnica.out
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 2 MB
/
Stivă 1 MB
|
Id soluție | #57990366 | Utilizator | |
Fișier | furnica.cpp | Dimensiune | 282 B |
Data încărcării | 07 Mai 2025, 09:15 | Scor / rezultat | Eroare de compilare |
furnica.cpp: In function 'int main()': furnica.cpp:15:8: error: no match for 'operator-' (operand types are 'std::string {aka std::basic_string<char>}' and 'char') s=s-s[0]; ^ furnica.cpp:15:8: 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/istream:38, from /usr/include/c++/4.8/fstream:38, from furnica.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:327:5: note: template<class _Iterator> typename std::reverse_iterator<_Iterator>::difference_type 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:327:5: note: template argument deduction/substitution failed: furnica.cpp:15:12: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>' s=s-s[0]; ^ 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/istream:38, from /usr/include/c++/4.8/fstream:38, from furnica.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:379:5: note: template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) 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:379:5: note: template argument deduction/substitution failed: furnica.cpp:15:12: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>' s=s-s[0]; ^ 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/istream:38, from /usr/include/c++/4.8/fstream:38, from furnica.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note: template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) 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:1104:5: note: template argument deduction/substitution failed: furnica.cpp:15:12: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::move_iterator<_Iterator>' s=s-s[0]; ^ 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/istream:38, from /usr/include/c++/4.8/fstream:38, from furnica.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note: template<class _Iterator> decltype ((__x.base() - __y.base())) 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:1111:5: note: template argument deduction/substitution failed: furnica.cpp:15:12: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::move_iterator<_Iterator>' s=s-s[0]; ^ 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/istream:38, from /usr/include/c++/4.8/fstream:38, from furnica.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:896:5: note: template<class _Iterator, class _Container> typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&) operator-(const __normal_iterator<_Iterator, _Container>& __lhs, ^ /usr/include/c++/4.8/bits/stl_iterator.h:896:5: note: template argument deduction/substitution failed: furnica.cpp:15:12: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>' s=s-s[0]; ^ 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/istream:38, from /usr/include/c++/4.8/fstream:38, from furnica.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:884:5: note: template<class _IteratorL, class _IteratorR, class _Container> decltype ((__lhs.base() - __rhs.base())) __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&) operator-(const __normal_iterator<_IteratorL, _Container>& __lhs, ^ /usr/include/c++/4.8/bits/stl_iterator.h:884:5: note: template argument deduction/substitution failed: furnica.cpp:15:12: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>' s=s-s[0]; ^ furnica.cpp:14:10: warning: unused variable 'c' [-Wunused-variable] char c=s[0]; ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Furnica 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.