Fall 2025 Midterm 3 Key

1. 3, 7, 5, 8, 4, 6, 2, 16, 9, 11, 12, 18, 13, 10, 15, 17
2. 03 62 10 64 01 16 88 68 44 76 89 80 82 99 85 21 35 6C 47 77 89 3A 22 62 01 83
3. -28
4. 0x34
5. A and E
6. 67
7. Go to Canvas -> Files to see the circuit.
   8.

const char *csostrsubseq(const char *str, const char *sub)
{
    if (!str || !sub)
        return NULL;

    if (*sub == '\0')
        return str;

    const char *result = NULL;
    int i = 0;
    for (int j = 0; str[j] != '\0'; j++)
    {
        if (str[j] == sub[i])
        {
            if (i == 0)
                result = &str[j];

            i++;

            if (sub[i] == '\0')
                return result;
        }
    }
    return NULL;
}

1. A: 7, B: a->vals
2. X, 4, 6 or 9, X
3. F, T, F, F
4. A B D E
5. C
6. B
7. T, T, F, F, T
8. C
9. S 5 CSX1!
10. A: A B D, B: B, C, D
11. A: 240, B: 0
12. A: 160, B: 480
13. clang -O1 final.c list.c
14. T F F
15. s