The first assignment was fairly straightforward. The second round was weird in the sense that it lacked clarity from their side. The problem was mathematically infeasible and the deadline was unrealistically short (2 hours to make a special type of motion controller such that it followed the path in a weird way).
Interview questions [1]
Question 1
Make a motion controller that makes the robot go zig zag with respect to the path that it was initially supposed to follow