原题链接:http://acm.hdu.edu.cn/showproblem.php?pid=1004 Problem Description Contest time again! How excited it is to see balloons floating around. But to tell you a secret, the judges' favorite time is guessing the most popular problem. When the contest
题目链接: G - Game HDU - 5242 题目大意:首先是T组测试样例,给出一颗以1节点为根的树,每个节点有各自的价值,有m次从根节点出发向下走到叶子节点的机会,每次会得到所有经过节点的权值,每个节点只有在第一次经过时有价值,求m次之后能够获得的最大权值. 具体思路:数链剖分,把重链按照权值划分. AC代码:
[题目] Tree chain problem Problem Description Coco has a tree, whose vertices are conveniently labeled by 1,2,-,n.There are m chain on the tree, Each chain has a certain weight. Coco would like to pick out some chains any two of which do not share comm
Tree Time Limit: 5000MS Memory Limit: 131072K Total Submissions: 2825 Accepted: 769 Description You are given a tree with N nodes. The tree’s nodes are numbered 1 through N and its edges are numbered 1 through N − 1. Each edge is associated with
1036: [ZJOI2008]树的统计Count Time Limit: 10 Sec Memory Limit: 162 MBSubmit: 3401 Solved: 1418[Submit][Status] Description 一棵树上有n个节点,编号分别为1到n,每个节点都有一个权值w.我们将以下面的形式来要求你对这棵树完成一些操作: I. CHANGE u t : 把结点u的权值改为t II. QMAX u v: 询问从点u到点v的路径上的节点的最大权值 III. QSUM u
Aragorn's Story Time Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1321 Accepted Submission(s): 344 Problem Description Our protagonist is the handsome human prince Aragorn comes from The Lord