Problem	duckbuttons
User	KJF
Submission Time	2026-02-26 22:26:25
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

duckbuttons.cpp: In function ‘int main()’:
duckbuttons.cpp:17:33: error: no match for ‘operator[]’ (operand types are ‘std::tuple_element<1, std::pair<const long long int, std::vector<long long int> > >::type’ {aka ‘std::vector<long long int>’} and ‘__gnu_cxx::__normal_iterator<long long int*, std::vector<long long int> >’)
17 | int farthest = positions[positions.end() - 1];
| ^
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 duckbuttons.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