PS1: All problems were worth 10 points. There were 10 problems graded
in all.

PS2:
Question1 worth 5 points
Question2 worth 5 points
Question4 worth 6 points
Question6 worth 4 points

All others worth 10.
Question 12 was not graded.

PS3:
Question 1                      10
Question 2                      10 (5 for each subsection)
Question 3                      12 (3 for each subsection)
Question 4                      12 (4 for each subsection)
Question 5                      10 (2.5 for each subsection)
Question 6                      10
Question 7                      12 (3 for each subsection)
Question 8                      12 (5, 7)
Question 9                      Not graded
Question 10                     12
Total                           100

PS4:
Totally 7 questions graded.

Question 0      15
Question 1      20
Question 2      15 (5 points for each opcode)
Question 3      postponed
Question 4      10 (5 for max and 5 for min value)
Question 5      postponed
Question 6      15 (3 points for each subsection)
Question 7      15 (5 points each for part 1, 2 and 5. parts 3 and 4 were
postponed)
Question 8      postponed
Question 9      postponed
Question 10     10

PS5:

4a. (15)  4b. (5)
6.  (20) 
7.  (20)
8a. (15) 
8b. (5)
9. (4) for "what's wrong with the code"; (8) each for the "fill in the
blanks"