Problem	adjlist
User	itsjiaqi
Submission Time	2025-02-13 17:26:47
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

adjlist.cpp: In function ‘int main()’:
adjlist.cpp:21:21: error: ‘vec’ was not declared in this scope
21 | cout << vec[i][j] << " ";
| ^~~