Hao Sun
Hao Sun
Added IPCO 2020 and 2021 APPROX graph theory and probablistic methods and Parameterized algorithms lectures
LLNCS conflicts with thmtools, in particular with thm-restate. This causes an error where prop is both undefined and when you try to define it it tells you it's already defined....
You can see here that  the arrow is not at the midpoint of the curve. Midpointed is selected under reverse arrow shape.
### Description of the bug AttributeError: 'Rect' object has no attribute 'get_area' [ltow.py](https://github.com/user-attachments/files/23146939/ltow.py) [FVShard.pdf](https://github.com/user-attachments/files/23146938/FVShard.pdf) ### How to reproduce the bug Run the following code C:\Users\hao_s\Downloads>py ltow.py [INFO] Start to convert...