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View Compilation Error

0_0_21438894_2383.cpp: In function 'int main()':
0_0_21438894_2383.cpp:12:10: error: no match for 'operator>>' (operand types are 'std::basic_ostream<char>' and '<unresolved overloaded function type>')
 cout<<ans>>endl;
          ^
0_0_21438894_2383.cpp:12:10: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:53:0,
                 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_21438894_2383.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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,
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.tcc:996:5: note:   template argument deduction/substitution failed:
0_0_21438894_2383.cpp:12:12: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<_CharT, _Traits>'
 cout<<ans>>endl;
            ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:879:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40,
                 from 0_0_21438894_2383.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/istream.tcc:955:5: note:   template argument deduction/substitution failed:
0_0_21438894_2383.cpp:12:12: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<_CharT, _Traits>'
 cout<<ans>>endl;
            ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:879:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40,
                 from 0_0_21438894_2383.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/istream.tcc:923:5: note:   template argument deduction/substitution failed:
0_0_21438894_2383.cpp:12:12: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<_CharT, _Traits>'
 cout<<ans>>endl;
            ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40:0,
                 from 0_0_21438894_2383.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:727:5: note:   template argument deduction/substitution failed:
0_0_21438894_2383.cpp:12:12: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<char, _Traits>'
 cout<<ans>>endl;
            ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40:0,
                 from 0_0_21438894_2383.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:732:5: note:   template argument deduction/substitution failed:
0_0_21438894_2383.cpp:12:12: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<char, _Traits>'
 cout<<ans>>endl;
            ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40:0,
                 from 0_0_21438894_2383.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:774:5: note:   template argument deduction/substitution failed:
0_0_21438894_2383.cpp:12:12: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<char, _Traits>'
 cout<<ans>>endl;
            ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40:0,
                 from 0_0_21438894_2383.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:779:5: note:   template argument deduction/substitution failed:
0_0_21438894_2383.cpp:12:12: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<char, _Traits>'
 cout<<ans>>endl;
            ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40:0,
                 from 0_0_21438894_2383.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/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)
     ^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:872:5: note:   template argument deduction/substitution failed:
0_0_21438894_2383.cpp:12:12: note:   'std::basic_ostream<char>' is not derived from 'std::basic_istream<_CharT, _Traits>'
 cout<<ans>>endl;
            ^


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