Given students' names along with the grade they are in, create a roster for the school.
In the end, you should be able to:
Note that all our students only have one name (it's a small town, what do you want?), and each student cannot be added more than once to a grade or the roster. If a test attempts to add the same student more than once, your implementation should indicate that this is incorrect.
Bytes 64-191 of the linear memory are reserved for the input string.
The input string will be overwritten with new names if add is called multiple times.
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