some changes for code

[sirius-zyj]

If at time T, an agent occupies a grid, then at time T+1, no other agent except the occupant itself can move to this grid.
In this case, how can I edit the code?

[Jiaoyang-Li]

The easiest way is to use this codebase with k=1:
https://github.com/nobodyczcz/Lazy-Train-and-K-CBS
The related paper is called "Symmetry Breaking for K-Robust Multi-Agent Path Finding".