Problem	subgraphs
User	KingH
Submission Time	2026-08-16 22:42:45
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

subgraphs.cpp: In function ‘void dfs(int)’:
subgraphs.cpp:6:5: error: reference to ‘visit’ is ambiguous
6 | visit[u] = true;
| ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:133,
from subgraphs.cpp:1:
/usr/include/c++/9/variant:1658:5: note: candidates are: ‘template<class _Visitor, class ... _Variants> constexpr decltype(auto) std::visit(_Visitor&&, _Variants&& ...)’
1658 | visit(_Visitor&& __visitor, _Variants&&... __variants)
| ^~~~~
subgraphs.cpp:4:14: note: ‘std::vector<bool> visit’
4 | vector<bool> visit;
| ^~~~~
subgraphs.cpp:7:21: error: could not convert ‘adj.std::vector<std::vector<int> >::operator[](((std::vector<std::vector<int> >::size_type)u))’ from ‘__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type’ {aka ‘std::v