原文:Leetcode: Number of Connected Components in an Undirected Graph

Use Union Find to figure out the number of connected components ...

2015-12-30 13:04 0 2673 推荐指数:

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spark Graphx 之 Connected Components

一、Connected Components算法 Connected Components即连通体算法用id标注图中每个连通体,将连通体中序号最小的顶点的id作为连通体的id。如果在图G中,任意2个顶点之间都存在路径,那么称G为连通图,否则称该图为非连通图,则其中的极大连通子图称为连通 ...

Mon Oct 12 19:48:00 CST 2020 0 402
6-10 Strongly Connected Components (30分)

Write a program to find the strongly connected components in a digraph. Format of functions: void StronglyConnectedComponents( Graph G, void ...

Sun Feb 02 23:06:00 CST 2020 4 899
[LeetCode] Graph Valid Tree

Problem Description: Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to check ...

Tue Aug 18 18:58:00 CST 2015 0 3214
[leetcode]Clone Graph @ Python

原题地址:https://oj.leetcode.com/problems/clone-graph/ 题意:实现对一个图的深拷贝。 解题思路:由于遍历一个图有两种方式:bfs和dfs。所以深拷贝一个图也可以采用这两种方法。不管使用dfs还是bfs都需要一个哈希表map来存储原图中的节点和新图中 ...

Tue May 27 01:15:00 CST 2014 0 4856
[LeetCode] Single Number

Given an array of integers, every element appears twice except for one. Find that single one. Note: ...

Fri Nov 08 15:43:00 CST 2013 18 10602
[leetcode]Valid Number @ Python

原题地址:http://oj.leetcode.com/problems/valid-number/ 题意:判断输入的字符串是否是合法的数。 解题思路:这题只能用确定有穷状态自动机(DFA)来写会比较优雅。本文参考了http://blog.csdn.net/kenden23/article ...

Fri May 02 03:49:00 CST 2014 1 3742
 
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