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请参见 down.zip 中的题面。
需要文件IO
NOIp 2026 模拟赛 1
- Status
- Done
- Rule
- OI
- Problem
- 4
- Start at
- 2026-8-10 8:00
- End at
- 2026-8-10 12:30
- Duration
- 4.5 hour(s)
- Host
-
liangzexian
- Partic.
- 29