The midpoint of a sorted array has the index ______, where first is the index of the first item in the array, and last is the index of the last item in the array.

a. first / 2 + last / 2
b. first / 2 – last / 2
c. (first + last) / 2
d. (first – last) / 2


c. (first + last) / 2

Computer Science & Information Technology

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