Great point. The quizzes and exams should not be hard, they should re-affirm your knowledge and let you move on. Making at test difficult for the sake of being

Great point. The quizzes and exams should not be hard, they should re-affirm your knowledge and let you move on. Making at test difficult for the sake of being difficult is not productive. People are learning this material to better themselves. If one wants difficulty one should dive deeper into the material elsewhere. Maybe Algorithms 2, or maybe a more advanced book altogether.