[Community Puzzle] A-star exercise

https://www.codingame.com/training/medium/a-star-exercise

Send your feedback or ask for help here!

Created by @aCat,validated by @eulerscheZahl,@JBM and @Stilgart.
If you have any issues, feel free to ping them.

hello,
I got 100% in ide test but only 33% in submission.
Any clue about the differences between ide and submission test ?
thx

100% this time, bad update of shorter distance of nodes when browsing another path! nice puzzle !