0_0_36264724_20660.cpp: In function 'int main()':
0_0_36264724_20660.cpp:51:16: error: no match for 'operator<<' (operand types are 'std::istream {aka std::basic_istream<char>}' and 'int')
cin<<a<<b;
^
0_0_36264724_20660.cpp:51:16: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52:0,
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++/istream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_36264724_20660.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:2772:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::basic_string<_CharT, _Traits, _Alloc>&)
operator<<(basic_ostream<_CharT, _Traits>& __os,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:2772:5: note: template argument deduction/substitution failed:
0_0_36264724_20660.cpp:51:18: note: 'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
cin<<a<<b;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_36264724_20660.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:471:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT)
operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:471:5: note: template argument deduction/substitution failed:
0_0_36264724_20660.cpp:51:18: note: 'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
cin<<a<<b;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_36264724_20660.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:476:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char)
operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:476:5: note: template argument deduction/substitution failed:
0_0_36264724_20660.cpp:51:18: note: 'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
cin<<a<<b;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_36264724_20660.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:482:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char)
operator<<(basic_ostream<char, _Traits>& __out, char __c)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:482:5: note: template argument deduction/substitution failed:
0_0_36264724_20660.cpp:51:18: note: 'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
cin<<a<<b;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_36264724_20660.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:488:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char)
operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:488:5: note: template argument deduction/substitution failed:
0_0_36264724_20660.cpp:51:18: note: 'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
cin<<a<<b;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_36264724_20660.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:493:5: note: template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, unsigned char)
operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:493:5: note: template argument deduction/substitution failed:
0_0_36264724_20660.cpp:51:18: note: 'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<char, _Traits>'
cin<<a<<b;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_36264724_20660.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:513:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*)
operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:513:5: note: template argument deduction/substitution failed:
0_0_36264724_20660.cpp:51:18: note: 'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
cin<<a<<b;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:609:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_36264724_20660.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ostream.tcc:321:5: note: template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const char*)
operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ostream.tcc:321:5: note: template argument deduction/substitution failed:
0_0_36264724_20660.cpp:51:18: note: 'std::istream {aka std::basic_istream<char>}' is not derived from 'std::basic_ostream<_CharT, _Traits>'
cin<<a<<b;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c
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