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2016年8月7日

bzoj2592: [Usaco2012 Feb]Symmetry
摘要： Description After taking a modern art class, Farmer John has become interested in finding geometric patterns in everything around his farm. He careful 阅读全文
posted @ 2016-08-07 00:06 nul 阅读(365) 评论(0) 推荐(0) 编辑