这个比赛的后两道题样例链接都挂了

P3943 星空

考古
by 雨绪 @ 2019-10-29 18:16:18

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**考古！！！！！**
by shenxinge @ 2021-07-21 09:08:16

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考古
by LeNotFound @ 2022-12-21 18:40:19

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