#1303
Calculator
Se dau două numere naturale și un simbol pentru una dintre operațiile +
, -
, *
, /
. Să se determine rezultatul operației aplicate pentru cele două numere.
Problema | Calculator | Operații I/O | tastatură/ecran |
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #52029927 | Utilizator | |
Fișier | calculator.cpp | Dimensiune | 321 B |
Data încărcării | 16 Septembrie 2024, 21:04 | Scor / rezultat | Eroare de compilare |
calculator.cpp: In function 'int main()': calculator.cpp:9:26: error: no match for 'operator==' (operand types are 'std::basic_ostream<char>' and 'int') if (s=='+') cout<<A+B==R; ^ calculator.cpp:9:26: note: candidates are: In file included from /usr/include/c++/4.8/iosfwd:40:0, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from calculator.cpp:1: /usr/include/c++/4.8/bits/postypes.h:216:5: note: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^ /usr/include/c++/4.8/bits/postypes.h:216:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::fpos<_StateT>' if (s=='+') cout<<A+B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:214:5: 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:214:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::pair<_T1, _T2>' if (s=='+') cout<<A+B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:291:5: 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:291:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_Iterator>' if (s=='+') cout<<A+B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:341:5: 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:341:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_Iterator>' if (s=='+') cout<<A+B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1031:5: 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:1031:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_Iterator>' if (s=='+') cout<<A+B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1037:5: 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:1037:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_Iterator>' if (s=='+') cout<<A+B==R; ^ In file included from /usr/include/c++/4.8/string:41:0, 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 calculator.cpp:1: /usr/include/c++/4.8/bits/allocator.h:128:5: note: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&) operator==(const allocator<_T1>&, const allocator<_T2>&) ^ /usr/include/c++/4.8/bits/allocator.h:128:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::allocator<_CharT>' if (s=='+') cout<<A+B==R; ^ In file included from /usr/include/c++/4.8/string:41:0, 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 calculator.cpp:1: /usr/include/c++/4.8/bits/allocator.h:133:5: note: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&) operator==(const allocator<_Tp>&, const allocator<_Tp>&) ^ /usr/include/c++/4.8/bits/allocator.h:133:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::allocator<_CharT>' if (s=='+') cout<<A+B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2486:5: 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:2486:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' if (s=='+') cout<<A+B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2493:5: note: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::basic_string<_CharT>&, const std::basic_string<_CharT>&) operator==(const basic_string<_CharT>& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2493:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::basic_string<_CharT>' if (s=='+') cout<<A+B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2507:5: 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:2507:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: mismatched types 'const _CharT*' and 'std::basic_ostream<char>' if (s=='+') cout<<A+B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2519:5: 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:2519:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' if (s=='+') cout<<A+B==R; ^ In file included from /usr/include/c++/4.8/bits/locale_facets.h:48:0, from /usr/include/c++/4.8/bits/basic_ios.h:37, from /usr/include/c++/4.8/ios:44, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from calculator.cpp:1: /usr/include/c++/4.8/bits/streambuf_iterator.h:204:5: note: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&) operator==(const istreambuf_iterator<_CharT, _Traits>& __a, ^ /usr/include/c++/4.8/bits/streambuf_iterator.h:204:5: note: template argument deduction/substitution failed: calculator.cpp:9:28: note: 'std::basic_ostream<char>' is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>' if (s=='+') cout<<A+B==R; ^ calculator.cpp:11:28: error: no match for 'operator==' (operand types are 'std::basic_ostream<char>' and 'int') if(s=='-')cout<<A-B==R; ^ calculator.cpp:11:28: note: candidates are: In file included from /usr/include/c++/4.8/iosfwd:40:0, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from calculator.cpp:1: /usr/include/c++/4.8/bits/postypes.h:216:5: note: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^ /usr/include/c++/4.8/bits/postypes.h:216:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::fpos<_StateT>' if(s=='-')cout<<A-B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:214:5: 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:214:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::pair<_T1, _T2>' if(s=='-')cout<<A-B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:291:5: 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:291:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_Iterator>' if(s=='-')cout<<A-B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:341:5: 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:341:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_Iterator>' if(s=='-')cout<<A-B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1031:5: 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:1031:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_Iterator>' if(s=='-')cout<<A-B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1037:5: 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:1037:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_Iterator>' if(s=='-')cout<<A-B==R; ^ In file included from /usr/include/c++/4.8/string:41:0, 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 calculator.cpp:1: /usr/include/c++/4.8/bits/allocator.h:128:5: note: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&) operator==(const allocator<_T1>&, const allocator<_T2>&) ^ /usr/include/c++/4.8/bits/allocator.h:128:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::allocator<_CharT>' if(s=='-')cout<<A-B==R; ^ In file included from /usr/include/c++/4.8/string:41:0, 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 calculator.cpp:1: /usr/include/c++/4.8/bits/allocator.h:133:5: note: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&) operator==(const allocator<_Tp>&, const allocator<_Tp>&) ^ /usr/include/c++/4.8/bits/allocator.h:133:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::allocator<_CharT>' if(s=='-')cout<<A-B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2486:5: 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:2486:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' if(s=='-')cout<<A-B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2493:5: note: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::basic_string<_CharT>&, const std::basic_string<_CharT>&) operator==(const basic_string<_CharT>& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2493:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::basic_string<_CharT>' if(s=='-')cout<<A-B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2507:5: 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:2507:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: mismatched types 'const _CharT*' and 'std::basic_ostream<char>' if(s=='-')cout<<A-B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2519:5: 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:2519:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' if(s=='-')cout<<A-B==R; ^ In file included from /usr/include/c++/4.8/bits/locale_facets.h:48:0, from /usr/include/c++/4.8/bits/basic_ios.h:37, from /usr/include/c++/4.8/ios:44, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from calculator.cpp:1: /usr/include/c++/4.8/bits/streambuf_iterator.h:204:5: note: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&) operator==(const istreambuf_iterator<_CharT, _Traits>& __a, ^ /usr/include/c++/4.8/bits/streambuf_iterator.h:204:5: note: template argument deduction/substitution failed: calculator.cpp:11:30: note: 'std::basic_ostream<char>' is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>' if(s=='-')cout<<A-B==R; ^ calculator.cpp:13:29: error: no match for 'operator==' (operand types are 'std::basic_ostream<char>' and 'int') if(s=='*')cout<<A*B==R; ^ calculator.cpp:13:29: note: candidates are: In file included from /usr/include/c++/4.8/iosfwd:40:0, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from calculator.cpp:1: /usr/include/c++/4.8/bits/postypes.h:216:5: note: template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&) operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) ^ /usr/include/c++/4.8/bits/postypes.h:216:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::fpos<_StateT>' if(s=='*')cout<<A*B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:214:5: 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:214:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::pair<_T1, _T2>' if(s=='*')cout<<A*B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:291:5: 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:291:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_Iterator>' if(s=='*')cout<<A*B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:341:5: 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:341:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::reverse_iterator<_Iterator>' if(s=='*')cout<<A*B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1031:5: 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:1031:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_Iterator>' if(s=='*')cout<<A*B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1037:5: 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:1037:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::move_iterator<_Iterator>' if(s=='*')cout<<A*B==R; ^ In file included from /usr/include/c++/4.8/string:41:0, 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 calculator.cpp:1: /usr/include/c++/4.8/bits/allocator.h:128:5: note: template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&) operator==(const allocator<_T1>&, const allocator<_T2>&) ^ /usr/include/c++/4.8/bits/allocator.h:128:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::allocator<_CharT>' if(s=='*')cout<<A*B==R; ^ In file included from /usr/include/c++/4.8/string:41:0, 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 calculator.cpp:1: /usr/include/c++/4.8/bits/allocator.h:133:5: note: template<class _Tp> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_CharT>&) operator==(const allocator<_Tp>&, const allocator<_Tp>&) ^ /usr/include/c++/4.8/bits/allocator.h:133:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::allocator<_CharT>' if(s=='*')cout<<A*B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2486:5: 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:2486:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' if(s=='*')cout<<A*B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2493:5: note: template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::basic_string<_CharT>&, const std::basic_string<_CharT>&) operator==(const basic_string<_CharT>& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2493:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::basic_string<_CharT>' if(s=='*')cout<<A*B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2507:5: 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:2507:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: mismatched types 'const _CharT*' and 'std::basic_ostream<char>' if(s=='*')cout<<A*B==R; ^ 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 calculator.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2519:5: 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:2519:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>' if(s=='*')cout<<A*B==R; ^ In file included from /usr/include/c++/4.8/bits/locale_facets.h:48:0, from /usr/include/c++/4.8/bits/basic_ios.h:37, from /usr/include/c++/4.8/ios:44, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from calculator.cpp:1: /usr/include/c++/4.8/bits/streambuf_iterator.h:204:5: note: template<class _CharT, class _Traits> bool std::operator==(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&) operator==(const istreambuf_iterator<_CharT, _Traits>& __a, ^ /usr/include/c++/4.8/bits/streambuf_iterator.h:204:5: note: template argument deduction/substitution failed: calculator.cpp:13:31: note: 'std::basic_ostream<char>' is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>' if(s=='*')cout<<A*B==R; ^ calculator.cpp:15:36: error: no match for 'operator=' (operand types are 'std::basic_ostream<char>' and 'int') if(s=='/')cout<<A/B=R; ^ calculator.cpp:15:36: note: candidate is: In file included from /usr/include/c++/4.8/iostream:39:0, from calculator.cpp:1: /usr/include/c++/4.8/ostream:58:11: note: std::basic_ostream<char>& std::basic_ostream<char>::operator=(const std::basic_ostream<char>&) <deleted> class basic_ostream : virtual public basic_ios<_CharT, _Traits> ^ /usr/include/c++/4.8/ostream:58:11: note: no known conversion for argument 1 from 'int' to 'const std::basic_ostream<char>&'
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Calculator 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.