Problem	boxhaskey
User	Pan
Submission Time	2023-12-28 20:00:28
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

boxhaskey.cpp: In function ‘void dfsdp(ll)’:
boxhaskey.cpp:56:2: error: ‘bs’ was not declared in this scope; did you mean ‘abs’?
56 | bs[u][u] = 1;
| ^~
| abs