fall22exam1.pdf
        Q1 - valid
        Q2 - valid
        Q3 - midterm 2
        Q4 - midterm 2

fall23exam1.pdf
        Q1 - valid
        Q2 - valid
        Q3 - midterm 2
        Q4 - valid
        Q5 - valid
        Q6 - midterm 2

fall25exam1.pdf
        Q1a - valid (part a.(iv) mentions pointers, but only incidentally)
        Q1b - midterm 2
        Q1c - valid
        Q2  - 3-file module setup is valid, but
              array details are midterm 2
        Q3  - midterm 2
        Q4a - midterm 2
        Q4b - program memory layout is valid, but
              array and pointer details are midterm 2
        Q4c - midterm 2

spr23exam1.pdf
        Q1 - valid
        Q2 - valid
        Q3 - stack/rodata memory layout is valid,
             but array, pointer, and heap dynamic memory are midterm 2
        Q4 - midterm 2
        Q5 - midterm 2
        Q6 - midterm 2

spr24exam1.pdf
        Q1     - valid
        Q2 a-c - valid
        Q2 d   - midterm 2
        Q3     - midterm 2
        Q4     - midterm 2

spr25exam1.pdf
        Q1     - valid
        Q2     - midterm 2
        Q3 a   - valid
        Q3 b-d - midterm 2
        Q4     - valid

spr26exam1.pdf
        Q1 - midterm 2
        Q2 - valid
        Q3 - midterm 2
        Q4 - midterm 2