We noticed that the part about greedy search in exercise 1 does not match the definition of greedy search from the syllabus (slides and textbook), so we removed that part. Greedy search requires some problem specific knowledge about how to build a good solution, which is not available for the problem in exercise 1 - so it doesn't seem to be relevant in the exercise. If you're in doubt about the difference between greedy search and hill climbing, I found the following explanation helpful:
The remaining lectures of the year will be in Kristen Nygaards hus, store auditorium. My count from last week's lecture indicates that you should fit in there! Look forward to seeing you there tomorrow!