January 2018
Intermediate to advanced
332 pages
7h 36m
English
Content preview from Hands-On Data Structures and Algorithms with JavaScript
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Using Dijkstra to determine the shortest path
Until the preceding chapter, we explored only the simple ways of graph traversal, Breadth First Search (BFS) and Depth First Search (DFS). We did discuss in brief in the preceding chapter about Dijkstra and how it can help us determine the path from node A to node B in a graph, provided the graph is directed with weighted edges.
In this example, we have just that. We have a graph of nodes (cities) and edges (approximate distance in miles), and we need to determine the fastest path for a user to reach a destination node from a given start node, provided other factors, such as speed, traffic, and weather, remain constant:
Our trip starts from San Francisco (SF) and ends in Phoenix (PX). We have ...
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