Problem	sumo
User	PlayVoltz
Submission Time	2024-02-27 22:57:34
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

sumo.cpp: In function ‘bool merge(long long int, long long int)’:
sumo.cpp:22:5: error: no match for ‘operator[]’ (operand types are ‘std::vector<std::pair<long long int, long long int> >’ and ‘std::pair<long long int, long long int>’)
22 | dsu[pa]=mp(pb.fi, 1^pa.se^pa.se);
| ^
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 sumo.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<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long