| Problem | railway |
|---|---|
| User | bachnguyen123 |
| Submission Time | 2025-12-03 17:27:05 |
| Score | 0 |
| Max Time | N/A |
| Max Memory | N/A |
Owl Get a Life
railway.cpp: In function ‘void dfs(int, int)’:
railway.cpp:9:14: error: ‘u’ was not declared in this scope
9 | par[0][x] = u;
| ^