Please note that the contraints for subtasks in the problem statement are incorrect. The correct descriptions should be:
- 6. (16 points) $n \leq 30\,000$ and $m \leq 60\,000$
- 7. (17 points) No additional constraints.
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Please note that the contraints for subtasks in the problem statement are incorrect. The correct descriptions should be:
| ID | Type | Status | Title | Posted By | Last Updated | Actions |
|---|---|---|---|---|---|---|
| Editorial | Open | Official Editorial | Qingyu | - | Download |
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