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 推薦指數:

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spark Graphx 之 Connected Components

一、Connected Components算法 Connected Components即連通體算法用id標注圖中每個連通體,將連通體中序號最小的頂點的id作為連通體的id。如果在圖G中,任意2個頂點之間都存在路徑,那么稱G為連通圖,否則稱該圖為非連通圖,則其中的極大連通子圖稱為連通 ...

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

原題地址:https://oj.leetcode.com/problems/clone-graph/ 題意:實現對一個圖的深拷貝。 解題思路:由於遍歷一個圖有兩種方式:bfs和dfs。所以深拷貝一個圖也可以采用這兩種方法。不管使用dfs還是bfs都需要一個哈希表map來存儲原圖中的節點和新圖中 ...

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

原題地址:http://oj.leetcode.com/problems/valid-number/ 題意:判斷輸入的字符串是否是合法的數。 解題思路:這題只能用確定有窮狀態自動機(DFA)來寫會比較優雅。本文參考了http://blog.csdn.net/kenden23/article ...

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