小手依旧冰凉

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动态规划(4) 心得(1) 拓扑排序(1) 搜索(1) 树(3) 贪心(3) 队列(1)

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全部文章（共13篇）

HDU 1789 贪心

Ignatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadline of handing in the ho...

2019-07-23

0 588

HDU 3342 拓扑排序

We all know a master can have many prentices and a prentice may have a lot of masters too, it's legal. Nevertheless，some cows are not so honest, they ...

2019-07-19

0 533

由中序和后序重建二叉树

由中序和后序重建二叉树总时间限制: 500ms 内存限制: 65535kB 描述我们知道如何按照三种深度优先次序来周游一棵二叉树，来得到中根序列、前根序列和后根序列。反过来，如果给定二叉树的中根序列和后根序列，或者给定中根序列和前根序列，可以重建一二叉树。本题输入一棵二叉树的中根序列和后根序列，...

数据结构二叉树

2019-07-18

0 964