________ recommends music to you based on your, and your friends, listening preferences

What is the output of the following code?

int list[5] = {4, 7, 5, 3, 0}; int x = 3; list[x] = list[2 * x – 4]; list[x+1] += 6; list[x-1] = list[x-2]; cout << list[1] << list[2] << list[3] << list[4];

The abstract data structure that is often used to store data represented as a table is called a(n) ________________.

Fill in the blank(s) with the appropriate word(s).