May 2017
Intermediate to advanced
340 pages
8h 16m
English
Content preview from PHP 7 Data Structures and Algorithms
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Undirected graphs
If a graph contains only undirected edges, then the graph is an undirected graph. In other words, the edges in an undirected graph are bidirectional. Sometimes, the undirected graph is also known as an undirected network. In an undirected graph, if vertex A is connected to vertex B, then it is assumed that both (A, B) and (B, A) represent the same edge. The following diagram shows an example of an undirected graph where all the edges do not have arrows to indicate direction:
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.