Problem	knapsack
User	xyz
Submission Time	2023-11-10 10:50:19
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

In file included from /usr/include/c++/9/bits/stl_algobase.h:71,
from /usr/include/c++/9/algorithm:61,
from knapsack.cpp:1:
/usr/include/c++/9/bits/predefined_ops.h: In instantiation of ‘constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<item*, std::vector<item> >; _Iterator2 = __gnu_cxx::__normal_iterator<item*, std::vector<item> >; _Compare = std::greater<void>]’:
/usr/include/c++/9/bits/stl_algo.h:81:17: required from ‘void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = __gnu_cxx::__normal_iterator<item*, std::vector<item> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<void> >]’
/usr/include/c++/9/bits/stl_algo.h:1926:34: required from ‘_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _R