Problem
A [NOIP2021] 报数 1000ms 512MiB Submit
B [NOIP2021] 数列 1000ms 512MiB Submit
C [NOIP2021] 方差 1000ms 512MiB Submit
D [NOIP2021] 棋局 6000ms 1024MiB Submit

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2021NOIP VP重现

Status: Done
Rule: OI
Problem: 4
Start at: 2025-11-24 8:10
End at: 2025-11-24 11:40
Duration: 3.5 hour(s)
Host: root
Partic.: 9