Problem	cyberland_apio23
User	bron
Submission Time	2023-11-25 10:58:57
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

cyberland_apio23.cpp: In function ‘double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)’:
cyberland_apio23.cpp:15:16: error: ‘f’ was not declared in this scope
15 | bool vis[N+3];f
| ^