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posted @ 2018-01-12 21:52 栓犬 阅读(3) 评论(0) 编辑
摘要: Time limit : 2sec / Memory limit : 256MB Problem Statement There are two rooted trees, each with $N$ vertices. The vertices of each tree are numbered 阅读全文
posted @ 2018-08-28 16:41 栓犬 阅读(9) 评论(0) 编辑
摘要: Time limit : 2sec / Memory limit : 256MB Problem Statement Snuke got a grid from his mother, as a birthday present. The grid has $H$ rows and $W$ colu阅读全文
posted @ 2018-01-29 12:16 栓犬 阅读(59) 评论(0) 编辑
摘要: Time limit : 2sec / Memory limit : 256MB Problem Statement Snuke got an integer sequence from his mother, as a birthday present. The sequence has $N$ 阅读全文
posted @ 2018-01-26 21:45 栓犬 阅读(93) 评论(0) 编辑
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posted @ 2018-01-12 21:52 栓犬 阅读(3) 评论(0) 编辑