kyeremal的专栏

bzoj1036[ZJOI2008]-树的统计count 1036: [ZJOI2008]树的统计Count Time Limit: 10 Sec  Memory Limit: 162 MB Submit: 7567  Solved: 3109 [Submit][Status][Discuss] 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

poj2104-K-th Number K-th Number Time Limit: 20000MS   Memory Limit: 65536K Total Submissions: 31790   Accepted: 9838 Case Time Limit: 2000MS Description You are w

spoj275-Query on a tree 原题: QTREE - Query on a tree no tags  You are given a tree (an acyclic undirected connected graph) with N nodes, and edges numbered 1, 2, 3...N-1. We will ask

poj3468-A Simple Problem with Integers A Simple Problem with Integers Time Limit: 5000MS   Memory Limit: 131072K Total Submissions: 72128   Accepted: 22254 Case Time Limi

Persistent Data Structures 可持久化的数据结构 Contents 内容 Introduction                          介绍 Persistent Singly Linked Lists   可持久化单向链表Persistent Binary Trees           可持久化二叉树Random Ac