0_0_26687023_7493.cpp:8:47: error: 'bool data::operator<(const data&, const data&)' must take exactly one argument
bool operator<(const data &a,const data &b)
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:71:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
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_26687023_7493.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_less_iter::operator()(_Iterator1, _Iterator2) const [with _Iterator1 = data*; _Iterator2 = data*]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1846:27: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = data*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1884:70: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = data*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1970:55: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = data*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4685:72: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = data*]'
0_0_26687023_7493.cpp:25:32: required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:42:23: error: no match for 'operator<' (operand types are 'data' and 'data')
{ return *__it1 < *__it2; }
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:42:23: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
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_26687023_7493.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:837:5: note: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)
operator<(const __normal_iterator<_IteratorL, _Container>& __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:837:5: note: template argument deduction/substitution failed:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:71:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
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_26687023_7493.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:42:23: note: 'data' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
{ return *__it1 < *__it2; }
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
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_26687023_7493.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:844:5: note: template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)
operator<(const __normal_iterator<_Iterator, _Container>& __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:844:5: note: template argument deduction/substitution failed:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:71:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
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_26687023_7493.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:42:23: note: 'data' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
{ return *__it1 < *__it2; }
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_less_iter::operator()(_Value&, _Iterator) const [with _Value = data; _Iterator = data*]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1827:34: required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = data*; _Compare = __gnu_cxx::__ops::_Val_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1855:46: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = data*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1884:70: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = data*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:1970:55: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = data*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:4685:72: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = data*]'
0_0_26687023_7493.cpp:25:32: required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:70:22: error: no match for 'operator<' (operand types are 'data' and 'data')
{ return __val < *__it; }
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:70:22: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
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_26687023_7493.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:837:5: note: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)
operator<(const __normal_iterator<_IteratorL, _Container>& __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:837:5: note: template argument deduction/substitution failed:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:71:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
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_26687023_7493.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:70:22: note: 'data' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
{ return __val < *__it; }
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
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_26687023_7493.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/incl
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