Problem	subgraphs
User	r1r2r3r4
Submission Time	2025-07-29 19:28:51
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

subgraphs.cpp: In function ‘int main()’:
subgraphs.cpp:32:25: error: ‘class std::vector<bool>’ has no member named ‘pop’
32 | stopper.pop();
| ^~~