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测试专用，题面以PDF为准
CSP-S模拟赛NKS5
- Status
- Done
- Rule
- IOI
- Problem
- 4
- Start at
- 2023-10-17 13:30
- End at
- 2023-10-17 23:30
- Duration
- 10 hour(s)
- Host
-
yuyongchao
- Partic.
- 8
