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BZOJ 4337 树的同构(树的hash)
4337: BJOI2015 树的同构 Time Limit: 10 Sec Memory Limit: 256 MB Submit: 684 Solved: 282 [Submit][Status][Discuss] Description 树是一种很常见的数据结构。 我们把N个点,N-1条边的连通无向图称为树。 若将某个点作为根,从根开始遍历,则其它的点都有一个前驱,原创 2017-08-15 09:23:58 · 492 阅读 · 0 评论 -
HDU 4495 Rectangle(前缀hash)
Rectangle Time Limit: 10000/10000 MS (Java/Others) Memory Limit: 65535/102400 K (Java/Others) Total Submission(s): 529 Accepted Submission(s): 195 Problem Description Given a rectang原创 2017-08-14 10:40:31 · 750 阅读 · 0 评论 -
HDU 1043 Eight(康托展开)
Eight Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 23953 Accepted Submission(s): 6400 Special Judge Problem Description The 1原创 2017-06-30 21:21:57 · 619 阅读 · 0 评论 -
HDU Eight II(BFS+康托展开)
Eight II Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 130000/65536 K (Java/Others) Total Submission(s): 2347 Accepted Submission(s): 504 Problem Description Eight-puzzle, which i原创 2016-08-26 18:45:44 · 1029 阅读 · 0 评论
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