Problem	ccs
User	huangchengcheng
Submission Time	2026-07-16 16:53:12
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ccs.cpp: In function ‘int main()’:
ccs.cpp:6:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
6 | cin >> n >>q;
| ^~~
| std::cin
In file included from ccs.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
ccs.cpp:8:5: error: ‘set’ was not declared in this scope
8 | set<int> sleep;
| ^~~
ccs.cpp:8:5: note: suggested alternatives:
In file included from /usr/include/c++/9/set:61,
from ccs.cpp:2:
/usr/include/c++/9/bits/stl_set.h:94:11: note: ‘std::set’
94 | class set
| ^~~
In file included from ccs.cpp:2:
/usr/include/c++/9/set:82:13: note: ‘std::pmr::set’
82 | using set = std::set<_Key, _Cmp, polymorphic_allocator<_Key>>;
| ^~~
ccs.cpp:8:9: erro