0_0_33881639_8172.cpp: In function 'int main()':
0_0_33881639_8172.cpp:27:12: error: no match for 'operator>>' (operand types are 'std::istream {aka std::basic_istream<char>}' and 'int*')
cin>>&n>>&a>>&b;
^
0_0_33881639_8172.cpp:27:12: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:40:0,
from 0_0_33881639_8172.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:120:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(__istream_type& (*__pf)(__istream_type&))
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:120:7: note: no known conversion for argument 1 from 'int*' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&) {aka std::basic_istream<char>& (*)(std::basic_istream<char>&)}'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:124:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]
operator>>(__ios_type& (*__pf)(__ios_type&))
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:124:7: note: no known conversion for argument 1 from 'int*' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&) {aka std::basic_ios<char>& (*)(std::basic_ios<char>&)}'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:131:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(ios_base& (*__pf)(ios_base&))
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:131:7: note: no known conversion for argument 1 from 'int*' to 'std::ios_base& (*)(std::ios_base&)'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:168:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(bool& __n)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:168:7: note: no known conversion for argument 1 from 'int*' to 'bool&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:172:7: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]
operator>>(short& __n);
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:172:7: note: no known conversion for argument 1 from 'int*' to 'short int&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:175:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(unsigned short& __n)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:175:7: note: no known conversion for argument 1 from 'int*' to 'short unsigned int&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:179:7: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]
operator>>(int& __n);
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:179:7: note: no known conversion for argument 1 from 'int*' to 'int&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:182:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(unsigned int& __n)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:182:7: note: no known conversion for argument 1 from 'int*' to 'unsigned int&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:186:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(long& __n)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:186:7: note: no known conversion for argument 1 from 'int*' to 'long int&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:190:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(unsigned long& __n)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:190:7: note: no known conversion for argument 1 from 'int*' to 'long unsigned int&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:195:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(long long& __n)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:195:7: note: no known conversion for argument 1 from 'int*' to 'long long int&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:199:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(unsigned long long& __n)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:199:7: note: no known conversion for argument 1 from 'int*' to 'long long unsigned int&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:214:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(float& __f)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:214:7: note: no known conversion for argument 1 from 'int*' to 'float&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:218:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(double& __f)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:218:7: note: no known conversion for argument 1 from 'int*' to 'double&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:222:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(long double& __f)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:222:7: note: no known conversion for argument 1 from 'int*' to 'long double&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:235:7: note: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]
operator>>(void*& __p)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:235:7: note: no known conversion for argument 1 from 'int*' to 'void*&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:259:7: note: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]
operator>>(__streambuf_type* __sb);
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:259:7: note: no known conversion for argument 1 from 'int*' to 'std::basic_istream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}'
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.
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