April 2018
Beginner to intermediate
426 pages
10h 19m
English
Content preview from Learning JavaScript Data Structures and Algorithms - Third Edition
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Topological sorting using DFS
Given the following graph, suppose each vertex is a task that you need to execute:
This is a directed graph, meaning there is an order that the tasks need to be executed in. For example, task F cannot be executed before task A. Note that the previous graph also does not have a cycle, meaning it is an acyclic graph. So, we can say that the previous graph is a directed acyclic graph (DAG).
When we need to specify the order that some tasks or steps need to be executed in, it is called topological sorting (or topsort or even toposort). This problem is present in different scenarios of our lives. For example, when ...
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