9月19日周二晚上集训赛

Done IOI Start at: 2023-9-19 19:00 2 hour(s) Host: 30

9月19日赛，赛后半小时讲部分题

Status
Done
Rule
IOI
Problem
8
Start at
2023-9-19 19:00
End at
2023-9-19 21:00
Duration
2 hour(s)
Host
Partic.
30
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