Problem	trackingtraining
User	Pan
Submission Time	2024-06-29 16:41:49
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

trackingtraining.cpp: In function ‘int main()’:
trackingtraining.cpp:95:57: error: ‘u’ was not declared in this scope
95 | for (ll i=1; i<=n; ++i) if (!visited[i] && cp[i]) dfs2(u);
| ^