Problem	knapsack
User	hwy
Submission Time	2023-07-26 21:17:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

knapsack.cpp: In function ‘int main()’:
knapsack.cpp:25:10: error: no match for ‘operator[]’ (operand types are ‘std::vector<std::pair<int, int> >’ and ‘<unresolved overloaded function type>’)
25 | lst[i][index].second--;
| ^
In file included from /usr/include/c++/9/vector:67,
from /usr/include/c++/9/functional:62,
from /usr/include/c++/9/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/9/algorithm:71,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
from knapsack.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1040:7: note: candidate: ‘std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::reference = std::pair<int, int&g