One of the main use cases of arrays is to be used along with loops.

Given an array like this:

const int SIZE = 5;
int prices[SIZE] = { 1, 2, 3, 4, 5 };

You can iterate over each element using a for loop in this way:

for (int i = 0; i < SIZE; i++) {
  printf("%u\n", prices[i]);
}

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