0_0_36569789_10647.cpp:12:46: error: 'bool stu::operator<(const stu&, const stu&)' must take exactly one argument
bool operator <(const stu &a , const stu &b )
^
0_0_36569789_10647.cpp: In function 'void solve(int)':
0_0_36569789_10647.cpp:33:18: error: 'b' was not declared in this scope
q[A-1].push({ b , k++ });
^
0_0_36569789_10647.cpp:33:27: error: no matching function for call to 'std::priority_queue<stu>::push(<brace-enclosed initializer list>)'
q[A-1].push({ b , k++ });
^
0_0_36569789_10647.cpp:33:27: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:64:0,
from 0_0_36569789_10647.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:499:7: note: void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = stu; _Sequence = std::vector<stu, std::allocator<stu> >; _Compare = std::less<stu>; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = stu]
push(const value_type& __x)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:499:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type& {aka const stu&}'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:507:7: note: void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = stu; _Sequence = std::vector<stu, std::allocator<stu> >; _Compare = std::less<stu>; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = stu]
push(value_type&& __x)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:507:7: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::priority_queue<stu>::value_type&& {aka stu&&}'
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:48:0,
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++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_36569789_10647.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_function.h: In instantiation of 'bool std::less<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = stu]':
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/predefined_ops.h:121:46: required from 'bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<stu*, std::vector<stu, std::allocator<stu> > >; _Iterator2 = __gnu_cxx::__normal_iterator<stu*, std::vector<stu, std::allocator<stu> > >; _Compare = std::less<stu>]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h:216:37: required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<stu*, std::vector<stu, std::allocator<stu> > >; _Distance = long long int; _Tp = stu; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::less<stu> >]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h:334:15: required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<stu*, std::vector<stu, std::allocator<stu> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::less<stu> >]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_heap.h:385:52: required from 'void std::make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<stu*, std::vector<stu, std::allocator<stu> > >; _Compare = std::less<stu>]'
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:414:48: required from 'std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(const _Compare&, _Sequence&&) [with _Tp = stu; _Sequence = std::vector<stu, std::allocator<stu> >; _Compare = std::less<stu>]'
0_0_36569789_10647.cpp:23:25: required from here
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_function.h:371:20: error: no match for 'operator<' (operand types are 'const stu' and 'const stu')
{ return __x < __y; }
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_function.h:371:20: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:64:0,
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_36569789_10647.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:220:5: note: template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_pair.h:220:5: note: template argument deduction/substitution failed:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:48:0,
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++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_36569789_10647.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_function.h:371:20: note: 'const stu' is not derived from 'const std::pair<_T1, _T2>'
{ return __x < __y; }
^
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_36569789_10647.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:298:5: note: template<class _Iterator> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
operator<(const reverse_iterator<_Iterator>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:298:5: note: template argument deduction/substitution failed:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:48:0,
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++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_36569789_10647.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_function.h:371:20: note: 'const stu' is not derived from 'const std::reverse_iterator<_Iterator>'
{ return __x < __y; }
^
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_36569789_10647.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:348:5: note: template<class _IteratorL, class _IteratorR> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
operator<(const reverse_iterator<_IteratorL>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:348:5: note: template argument deduction/substitution failed:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:48:0,
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++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_36569789_10647.cpp:1:
GCC4.9.2/x86_64-w
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