Quick sort for randomly distributed points: kzbin.info/www/bejne/rGqXqXR8gZiGi5Y Dijkstra's algorithm animation on US road network: kzbin.info/www/bejne/Z6C5poSprdCbj5I Dijkstra vs Bi-directional Dijkstra Progress - Rectangular and Hexagonal Grid: kzbin.info/www/bejne/bnvNlaNsm5yil6c Kruskal's Algorithm Animation - How does it progress?: kzbin.info/www/bejne/pWm2oqBnlJh1iNE