0_0_29159374_16669.cpp: In function 'int main()':
0_0_29159374_16669.cpp:75:9: error: no match for 'operator~' (operand type is 'std::istream {aka std::basic_istream<char>}')
while (~cin >> n >> m)
^
0_0_29159374_16669.cpp:75:9: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42:0,
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_29159374_16669.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:87:3: note: constexpr std::_Ios_Fmtflags std::operator~(std::_Ios_Fmtflags)
operator~(_Ios_Fmtflags __a)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:87:3: note: no known conversion for argument 1 from 'std::istream {aka std::basic_istream<char>}' to 'std::_Ios_Fmtflags'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:127:3: note: constexpr std::_Ios_Openmode std::operator~(std::_Ios_Openmode)
operator~(_Ios_Openmode __a)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:127:3: note: no known conversion for argument 1 from 'std::istream {aka std::basic_istream<char>}' to 'std::_Ios_Openmode'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:165:3: note: constexpr std::_Ios_Iostate std::operator~(std::_Ios_Iostate)
operator~(_Ios_Iostate __a)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:165:3: note: no known conversion for argument 1 from 'std::istream {aka std::basic_istream<char>}' to 'std::_Ios_Iostate'
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