Problem	merchant
User	PlayVoltz
Submission Time	2024-07-03 22:01:58
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

merchant.cpp: In function ‘int32_t main()’:
merchant.cpp:54:40: error: ‘j’ was not declared in this scope
54 | for (int i=1; i<=n; ++i)if (graph[i][j]>=0)can=1;
| ^