0_0_27914856_22731.cpp: In function 'int main()':
0_0_27914856_22731.cpp:41:4: error: no match for 'operator=' (operand types are 'std::set<int>' and 'void')
s=s.clear();
^
0_0_27914856_22731.cpp:41:4: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/set:61:0,
from 0_0_27914856_22731.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_set.h:263:7: note: std::set<_Key, _Compare, _Alloc>& std::set<_Key, _Compare, _Alloc>::operator=(const std::set<_Key, _Compare, _Alloc>&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>]
operator=(const set& __x)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_set.h:263:7: note: no known conversion for argument 1 from 'void' to 'const std::set<int>&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_set.h:279:7: note: std::set<_Key, _Compare, _Alloc>& std::set<_Key, _Compare, _Alloc>::operator=(std::set<_Key, _Compare, _Alloc>&&) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>]
operator=(set&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_set.h:279:7: note: no known conversion for argument 1 from 'void' to 'std::set<int>&&'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_set.h:305:7: note: std::set<_Key, _Compare, _Alloc>& std::set<_Key, _Compare, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>]
operator=(initializer_list<value_type> __l)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_set.h:305:7: note: no known conversion for argument 1 from 'void' to 'std::initializer_list<int>'
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