Problem	coke
User	kxd
Submission Time	2023-03-04 01:20:59
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

coke.cpp: In function ‘int main()’:
coke.cpp:39:5: error: ‘vis’ was not declared in this scope
39 | vis[0][0]=1;
| ^~~