Problem	friend
User	Xiaoyang
Submission Time	2023-11-30 22:28:22
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

friend.cpp: In function ‘ll dfs(ll, ll, bool)’:
friend.cpp:38:7: error: ‘i’ was not declared in this scope
38 | dp[i][flag]=max(dp[i][flag],dfs(x,u,0);
| ^
friend.cpp:38:42: error: expected ‘)’ before ‘;’ token
38 | dp[i][flag]=max(dp[i][flag],dfs(x,u,0);
| ~ ^
| )
friend.cpp:40:7: error: ‘i’ was not declared in this scope
40 | dp[i][flag]+=dfs(x,u,1);
| ^