Problem	drones
User	Usu
Submission Time	2026-04-17 14:48:18
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

drones.cpp: In lambda function:
drones.cpp:40:35: error: no match for call to ‘(std::function<void(long long int)>) (const long long int&, long long int&)’
40 | if (!visited[num]) dfs(num,node);
| ^
In file included from /usr/include/c++/9/functional:59,
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 drones.cpp:1:
/usr/include/c++/9/bits/std_function.h:683:5: note: candidate: ‘_Res std::function<_Res(_ArgTypes ...)>::operator()(_ArgTypes ...) const [with _Res = void; _ArgTypes = {long long int}]’
683 | function<_Res(_ArgTypes...)>::
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/std_function.h:683:5: note: candidate expects 1 argument, 2 provided