公益课结课小测
点击右上角参加比赛，答题时间1小时。结束后无法答题。 认真作答细心写题，提交前先自行运行
The contest is a flexible time contest. You need to complete the contest within a specified time after you attended.
- Status
- Done
- Rule
- IOI
- Problem
- 6
- Start at
- 2025-6-7 8:00
- End at
- 2025-6-17 8:00
- Duration
- 1 hour(s)
- Host
-
熊猫 (pander)
- Partic.
- 68