Checks if an undirected graph is planar.
Details
See https://lemon.cs.elte.hu/pub/doc/1.3.1/a00617.html#ga230242aa2ee36f9b1b5a58f2c53016eb for more information.
Checks if an undirected graph is planar.
See https://lemon.cs.elte.hu/pub/doc/1.3.1/a00617.html#ga230242aa2ee36f9b1b5a58f2c53016eb for more information.