Problem
A Oier的数组（array.cpp)
B 木棍拼凑方案数（count.cpp)
C 最佳牧场(best.cpp)
D 子序列(seq.cpp)

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2023CPS-J 测试2

Status: Done
Rule: IOI
Problem: 4
Start at: 2023-10-4 14:00
End at: 2023-10-8 18:00
Duration: 100 hour(s)
Host: zhouyou
Partic.: 12