#3060
melc
Un melc se deplasează cu viteza de v km/h
. El trebuie să parcurgă distanța de d
metri. Să se determine în câte minute va parcurge melcul această distanță.
Problema | melc | Operații I/O | tastatură/ecran |
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #19000213 | Utilizator | |
Fișier | melc.cpp | Dimensiune | 139 B |
Data încărcării | 23 Noiembrie 2019, 23:55 | Scor / rezultat | Eroare de compilare |
melc.cpp: In function 'int main()': melc.cpp:10:11: error: lvalue required as left operand of assignment if(d/v=t) cout>>t; ^ melc.cpp:10:19: error: no match for 'operator>>' (operand types are 'std::ostream {aka std::basic_ostream<char>}' and 'int') if(d/v=t) cout>>t; ^ melc.cpp:10:19: note: candidates are: 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 melc.cpp:1: /usr/include/c++/4.8/bits/basic_string.tcc:996:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::basic_string<_CharT, _Traits, _Alloc>&) operator>>(basic_istream<_CharT, _Traits>& __in, ^ /usr/include/c++/4.8/bits/basic_string.tcc:996:5: note: template argument deduction/substitution failed: melc.cpp:10:21: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>' if(d/v=t) cout>>t; ^ In file included from /usr/include/c++/4.8/istream:882:0, from /usr/include/c++/4.8/iostream:40, from melc.cpp:1: /usr/include/c++/4.8/bits/istream.tcc:955:5: note: template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*) operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s) ^ /usr/include/c++/4.8/bits/istream.tcc:955:5: note: template argument deduction/substitution failed: melc.cpp:10:21: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>' if(d/v=t) cout>>t; ^ In file included from /usr/include/c++/4.8/istream:882:0, from /usr/include/c++/4.8/iostream:40, from melc.cpp:1: /usr/include/c++/4.8/bits/istream.tcc:923:5: note: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&) operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c) ^ /usr/include/c++/4.8/bits/istream.tcc:923:5: note: template argument deduction/substitution failed: melc.cpp:10:21: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>' if(d/v=t) cout>>t; ^ In file included from /usr/include/c++/4.8/iostream:40:0, from melc.cpp:1: /usr/include/c++/4.8/istream:727:5: note: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&) operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c) ^ /usr/include/c++/4.8/istream:727:5: note: template argument deduction/substitution failed: melc.cpp:10:21: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'std::basic_istream<char, _Traits>' if(d/v=t) cout>>t; ^ In file included from /usr/include/c++/4.8/iostream:40:0, from melc.cpp:1: /usr/include/c++/4.8/istream:732:5: note: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&) operator>>(basic_istream<char, _Traits>& __in, signed char& __c) ^ /usr/include/c++/4.8/istream:732:5: note: template argument deduction/substitution failed: melc.cpp:10:21: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'std::basic_istream<char, _Traits>' if(d/v=t) cout>>t; ^ In file included from /usr/include/c++/4.8/iostream:40:0, from melc.cpp:1: /usr/include/c++/4.8/istream:774:5: note: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*) operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s) ^ /usr/include/c++/4.8/istream:774:5: note: template argument deduction/substitution failed: melc.cpp:10:21: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'std::basic_istream<char, _Traits>' if(d/v=t) cout>>t; ^ In file included from /usr/include/c++/4.8/iostream:40:0, from melc.cpp:1: /usr/include/c++/4.8/istream:779:5: note: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*) operator>>(basic_istream<char, _Traits>& __in, signed char* __s) ^ /usr/include/c++/4.8/istream:779:5: note: template argument deduction/substitution failed: melc.cpp:10:21: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'std::basic_istream<char, _Traits>' if(d/v=t) cout>>t; ^ In file included from /usr/include/c++/4.8/iostream:40:0, from melc.cpp:1: /usr/include/c++/4.8/istream:872:5: note: template<class _CharT, class _Traits, class _Tp> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x) ^ /usr/include/c++/4.8/istream:872:5: note: template argument deduction/substitution failed: melc.cpp:10:21: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'std::basic_istream<_CharT, _Traits>' if(d/v=t) cout>>t; ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema melc 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.