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Forgive me if this is a tried question, but I'm having a little difficulty figuring it out.
I currently have a class Node, and each 'node' is a square in a maze. I'm trying to implement the A* algorithm, so each of these nodes will have an f-cost (int) data member inside of it. I was wondering if…
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After going through a bunch of questions here on SO, I still have no idea what exactly is going wrong with my code and would appreciate some help.
I'm trying to implement a priority queue based on f-costs for an A* algorithm, and while the algorithm works fine for short pathfinding distances, it…
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If yes then why priority queue is a non-linear data structure? Does non-linear data sturctures are bad in performance as compared to linear ones? If yes then why? Please explain in detail.
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Hi,
I am working on a query processor that reads in long lists of document id's from memory and looks for matching id's. When it finds one, it creates a DOC struct containing the docid (an int) and the document's rank (a double) and pushes it on to a priority queue. My problem is that when the word(s)…
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I need some kind of priority queue to store pairs <key, value>. Values are unique, but keys aren't. I will be performing the following operations (most common first):
random insertion;
retrieving (and removing) all elements with the least key.
random removal (by value);
I can't use std::priority_queue…
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