void Union( DISJOINTWAY way, int first, int second ) { assert( first < m_size && second < m_size ); switch( way ) { case COMMON_WAY: ImplUnionFirst( first, second ); break; case COMPREE_WAY: ImplUnionSecond( first, second ); break; case WEIGHT_WAY: ImplUnionWeighted( first, s...
PS:本图取自Algorithm(4th)中译版P146(原版P229) 实现代码 #include<iostream>#include<vector>#include<random>usingnamespacestd;//WeightedQuickUnion(加权快速连结)classWQU{ vector<int> id; vector<int> sz;intcount =0;intnumberOfSite =0;public:intfind(intp);voidUnion(intp,intq);intget_count()...
publicvoidunion(int p,int q){int rootP=find(p);int rootQ=find(q);if(rootP==rootQ)return;// 将两棵树合并为一棵parent[rootP]=rootQ;// parent[rootQ] = rootP 也一样count--;// 两个分量合二为一}/* 返回某个节点 x 的根节点 */privateintfind(int x){// 根节点的 parent[x] =...
Tarjan’s off-line lowest common ancestors algorithm 之间的其他关系。并查集的实现有两种[7],quick-find 以及quick-union,较为常用的方法是基于quick-union ,而 quick-union 有两个维度的改进,&ldquo... LCA中的 union 操作,是在处理完一个节点时,将其与已经处理过的其它同一层的子节点所代表的等价类进行...
并查集(Union-Find)算法介绍 本文主要介绍解决动态连通性一类问题的一种算法,使用到了一种叫做并查集的数据结构,称为Union-Find。 更多的信息可以参考Algorithms 一书的Section 1.5,实际上本文也就是基于它的一篇读后感吧。 原文中更多的是给出一些结论,我尝试给出一些思路上的过程,即为什么要使用这个方法,而不是别...
Union-Find Algorithm Union-Find Algrithm is used to check whether two components are connected or not. Examples: By using the graph, we can easily find whether two components are connected or not, if there is no such graph, how do we know whether two components are connected or not?
The Union Find Algorithm in a Simplest Manner Possible5/28/2024 5:01:03 AM. The Union-Find algorithm, also known as the Disjoint Set algorithm, is a powerful tool for managing disjoint sets. It efficiently finds which set an element belongs to and can determine if a graph for...
【Algs4】算法(1):Union-Find 原文链接 在计算机科学(Computer Science,CS)领域,算法(Algorithm)是描述一种有限、确定、有效,并且适合用计算机语言来实现的解决问题的方法,它是CS领域的基础与核心。 这里先通过一个动态连通性问题,来了解设计、分析算法的基本过程。 动态连通性 问题描述 动态连通性问题的描述如下:...
The implementation of the union-find algorithm involves maintaining a set of parent pointers and a rank for each element in the set. The parent pointer of an element points to the parent node of its corresponding set, while the rank is a measure of the height of the tree rooted at that ...
Union-Find Algorithm Union-Find Algrithm is used to check whether two components are connected or not. Examples: By using the graph, we can easily find whether two components are connected or not, if there is no such graph, how do we know whether two components are connected or not?