Problem
A 回文串 (palindrome)
B 邪恶的资本家 (money)
C 此路不通 (stop)
D 王国保卫战 (kingdomrush)

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NOIP3测（真）

Status: Done
Rule: OI
Problem: 4
Start at: 2024-11-12 18:00
End at: 2024-11-12 22:00
Duration: 4 hour(s)
Host: root
Partic.: 7