These problem sets are mere suggestions. Their solutions will not be graded.

1. Set # 1

2. Set # 2

3. Set # 3 (file prefix.y)

4. Set # 4

5. Set # 5

6. Set # 6 (file in2post.y)

7. Set # 7

8. Set # 8

9. Set # 9

10. Set # 10

11. Set # 11

12. Set # 12