Problem
A JKP 挑战赛
B 兵蚁排序
C 人口局 DBA
D 银行的源起

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Subject: Technical Issue | Jury @ 2025-10-9 16:08:29

T2忘记加文件IO了，目前已经加上，请重新提交

1009

Status: Done
Rule: OI
Problem: 4
Start at: 2025-10-9 13:45
End at: 2025-10-9 17:15
Duration: 3.5 hour(s)
Host: kcs007
Partic.: 40