随笔分类 -  难懂的题意

双射 - hash去重
摘要：题目描述Two undirected simple graphs and where are isomorphic when there exists a bijection on V satisfying if and only if {x, y} ∈ E2.Given two graphs an 阅读全文
posted @ 2018-08-01 20:17 楼主好菜啊 阅读(375) 评论(0) 推荐(0) 编辑
思维题
摘要：In Arcady's garden there grows a peculiar apple-tree that fruits one time per year. Its peculiarity can be explained in following way: there are n inf 阅读全文
posted @ 2018-03-05 18:38 楼主好菜啊 阅读(251) 评论(0) 推荐(0) 编辑

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