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2018年10月21日
「USACO15FEB」「LuoguP3121」审查（黄金）Censoring (Gold)（AC自动机
摘要： 题目描述 Farmer John has purchased a subscription to Good Hooveskeeping magazine for his cows, so they have plenty of material to read while waiting aroun 阅读全文
posted @ 2018-10-21 08:40 qwertaya 阅读(203) 评论(0) 推荐(0) 编辑
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