怎么回事?

AT_abc257_c [ABC257C] Robot Takahashi

@[mating18132617141](/user/1250813) : 喵 ![](https://cdn.luogu.com.cn/upload/image_hosting/gstnyj1t.png?x-oss-process=image/resize,m_lfit,h_170,w_225) 题目难度太低导致保护期没了
by fengyixuan2027 @ 2024-04-25 21:57:55


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