FAQ: Dijkstra's Algorithm: Javascript - Evaluate All Paths

This community-built FAQ covers the “Evaluate All Paths” exercise from the lesson “Dijkstra’s Algorithm: Javascript”.

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This exercise can be found in the following Codecademy content:

Pass the Technical Interview with JavaScript

FAQs on the exercise Evaluate All Paths

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Surprised at the end of this I wasn’t asked to as extra shenanigans practice my pre and post order sort…

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“If you’re feeling up for the challenge…” lol

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Why we don’t check negative weight on edges and don’t track vertices that we have already visited?
In every alternative path that weights less we add Vertex with new priority to the heap. We get multiple nodes with the same vertex, but different priority. Eventually all of that vertices popped out of the Heap. The first vertex that we get from heap has the smallest priority possible…