Problem	network
User	Xiaoyang
Submission Time	2023-02-25 17:47:39
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

network.cpp:29:1: error: empty character constant
29 | ''
| ^~
network.cpp:29:1: error: expected unqualified-id before '\x0'
network.cpp: In function ‘int main()’:
network.cpp:75:2: error: ‘dfs’ was not declared in this scope; did you mean ‘ffs’?
75 | dfs(1,-1);
| ^~~
| ffs