Problem	subgraphs
User	Runjia
Submission Time	2025-03-08 10:17:40
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

subgraphs.cpp: In function ‘void dfs(int)’:
subgraphs.cpp:7:16: error: ‘v’ was not declared in this scope
7 | for (auto v : v[x]){
| ^