9.30训练赛

Done ACM/ICPC Start at: 2023-9-30 16:30 1.5 hour(s) Host: 59

简单题，练练手。

仔细读题，小心有坑。

Status
Done
Rule
ACM/ICPC
Problem
10
Start at
2023-9-30 16:30
End at
2023-9-30 18:00
Duration
1.5 hour(s)
Host
Partic.
59
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