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View Compilation Error

0_0_15532269_31136.cpp: In function 'int main()':
0_0_15532269_31136.cpp:22:20: error: cannot bind 'std::istream {aka std::basic_istream<char>}' lvalue to 'std::basic_istream<char>&&'
         while(cin>>a&&a!="+")
                    ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40:0,
                 from 0_0_15532269_31136.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:872:5: note: initializing argument 1 of 'std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = std::map<std::basic_string<char>, int>]'
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
     ^
0_0_15532269_31136.cpp:22:24: error: no match for 'operator!=' (operand types are 'std::map<std::basic_string<char>, int>' and 'const char [2]')
         while(cin>>a&&a!="+")
                        ^
0_0_15532269_31136.cpp:22:24: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iosfwd:40:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_15532269_31136.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/postypes.h:221:5: note: template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
     operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/postypes.h:221:5: note:   template argument deduction/substitution failed:
0_0_15532269_31136.cpp:22:26: note:   'std::map<std::basic_string<char>, int>' is not derived from 'const std::fpos<_StateT>'
         while(cin>>a&&a!="+")
                          ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_15532269_31136.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:227:5: 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)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:227:5: note:   template argument deduction/substitution failed:
0_0_15532269_31136.cpp:22:26: note:   'std::map<std::basic_string<char>, int>' is not derived from 'const std::pair<_T1, _T2>'
         while(cin>>a&&a!="+")
                          ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_15532269_31136.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:304:5: note: template<class _Iterator> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator!=(const reverse_iterator<_Iterator>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:304:5: note:   template argument deduction/substitution failed:
0_0_15532269_31136.cpp:22:26: note:   'std::map<std::basic_string<char>, int>' is not derived from 'const std::reverse_iterator<_Iterator>'
         while(cin>>a&&a!="+")
                          ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_15532269_31136.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:354:5: 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,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:354:5: note:   template argument deduction/substitution failed:
0_0_15532269_31136.cpp:22:26: note:   'std::map<std::basic_string<char>, int>' is not derived from 'const std::reverse_iterator<_Iterator>'
         while(cin>>a&&a!="+")
                          ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_15532269_31136.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1060:5: 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,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1060:5: note:   template argument deduction/substitution failed:
0_0_15532269_31136.cpp:22:26: note:   'std::map<std::basic_string<char>, int>' is not derived from 'const std::move_iterator<_Iterator>'
         while(cin>>a&&a!="+")
                          ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_15532269_31136.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1066:5: note: template<class _Iterator> bool std::operator!=(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&)
     operator!=(const move_iterator<_Iterator>& __x,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1066:5: note:   template argument deduction/substitution failed:
0_0_15532269_31136.cpp:22:26: note:   'std::map<std::basic_string<char>, int>' is not derived from 'const std::move_iterator<_Iterator>'
         while(cin>>a&&a!="+")
                          ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:41:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_15532269_31136.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/allocator.h:138:5: note: template<class _T1, class _T2> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_T2>&)
     operator!=(const allocator<_T1>&, const allocator<_T2>&)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/allocator.h:138:5: note:   template argument deduction/substitution failed:
0_0_15532269_31136.cpp:22:26: note:   'std::map<std::basic_string<char>, int>' is not derived from 'const std::allocator<_CharT>'
         while(cin>>a&&a!="+")
                          ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:41:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_15532269_31136.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/allocator.h:143:5: note: template<class _Tp> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
     operator!=(const allocator<_Tp>&, const allocator<_Tp>&)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/allocator.h:143:5: note:   template argument deduction/substitution failed:


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