周六提高比赛1

Done IOI Start at: 2022-9-17 8:15 7 hour(s) Host: 25

自选2小时完成

Status
Done
Rule
IOI
Problem
3
Start at
2022-9-17 8:15
End at
2022-9-17 15:15
Duration
7 hour(s)
Host
Partic.
25