Problem Description For a sequence S1, S2, ... , SN, and a pair of integers (i, j), if 1 <= i <= j <= N and Si < Si+1 < Si+2 < ... < Sj-1 < Sj , then the sequence Si, Si+1, ... , Sj is a CIS(Continuous Increasing Subsequence). The…
The LCIS on the Tree Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 175 Accepted Submission(s): 40 Problem Description For a sequence S1, S2, ... , SN, and a pair of integers (i, j), if 1 <=…
Problem Description We have met so many problems on the tree, so today we will have a query problem on a set of trees. There are N nodes, each node will have a unique weight Wi. We will have four kinds of operations on it and you should solve them ef…
2631: tree Time Limit: 30 Sec Memory Limit: 128 MBSubmit: 5171 Solved: 1754[Submit][Status][Discuss] Description 一棵n个点的树,每个点的初始权值为1.对于这棵树有q个操作,每个操作为以下四种操作之一:+ u v c:将u到v的路径上的点的权值都加上自然数c:- u1 v1 u2 v2:将树中原有的边(u1,v1)删除,加入一条新边(u2,v2),保证操作完之后仍然是一棵树:* u…
GCD Tree Time Limit: 5000/2500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 415 Accepted Submission(s): 172 Problem Description Teacher Mai has a graph with n vertices numbered from 1 to n. For every edge(u,v),…
Tree Time Limit: 16000/8000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 920 Accepted Submission(s): 388 Problem Description You are given a tree with N nodes which are numbered by integers 1..N. Each node is a…
2631: tree Time Limit: 30 Sec Memory Limit: 128 MBSubmit: 1716 Solved: 576[Submit][Status] Description 一棵n个点的树,每个点的初始权值为1.对于这棵树有q个操作,每个操作为以下四种操作之一:+ u v c:将u到v的路径上的点的权值都加上自然数c:- u1 v1 u2 v2:将树中原有的边(u1,v1)删除,加入一条新边(u2,v2),保证操作完之后仍然是一棵树:* u v c:将u到v的…
