Dijkstra's Shortest Path Algorithm | Graph Theory

Pubblicato il: 19 giugno 2018
sul canale di: WilliamFiset

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Explanation of Dijkstra's shortest path algorithm

Dijkstra source code on Algorithms repository:
https://github.com/williamfiset/algor...

Video slides:
https://github.com/williamfiset/Algor...

Indexed Priority Queue Video:
• Indexed Priority Queue (UPDATED) | Data St...

0:00 Intro
0:28 What is Dijkstra's algorithm?
1:13 Algorithm prerequisites
1:55 Video outline
2:28 Dijkstra's algorithm overview
3:50 Lazy Dijkstra's animation
8:10 Lazy Dijkstra's code
11:33 Ignoring stale node optimization
12:11 Finding the shortest path
14:01 Stopping early optimization
15:11 Eager Dijkstra's with an indexed priority queue
16:27 Eager Dijkstra's animation
19:28 Eager Dijkstra's code
20:31 D-ary heap optimization
23:06 The current state of the art for heaps

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