【HDOJ】【3530】Subsequence

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【集训笔记】博弈论相关知识【HDOJ 1850【HDOJ2147

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HDOJ 1423 Greatest Common Increasing Subsequence 【DP】【最长公共上升子序列】

HDOJ 1423 Greatest Common Increasing Subsequence [DP][最长公共上升子序列] Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 8768 Accepted Submission(s): 2831 Problem Description This is a problem from ZOJ 24…

【HDOJ 5379】 Mahjong tree

[HDOJ 5379] Mahjong tree 往一颗树上标号要求同一父亲节点的节点们标号连续同一子树的节点们标号连续问一共同拥有几种标法画了一画发现标号有二叉树的感觉初始标号1~n 根结点1能够标1或n 否则其它情况无法让以下的子树满足各自连续而且该根的儿子节点都要连续根结点下的节点平分其它标号画一画能够发现每一个根下最多有两颗子树否则无法满足条件而且两颗子树占领剩余标号的左右两边中间夹的必须是叶子这样才干满足该根下的儿子节点标号连续若根下仅仅有一颗子树相同能够…

HDOJ 1238 Substrings 【最长公共子串】

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HDOJ 1501 Zipper 【DP】【DFS+剪枝】

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