Roupaths

R2D2 and BB8 have been challenged by the robotics team. They are given N points on a 2D plane and they need to move their robot from the first point to the Nth one, going only from left to right, from a point with a lower x coordinate to a higher one. Unfortunately, the team members also give them some restrictions for each point. These restrictions can be of 3 types: Type 0 : If the point has