Count Elements Divisible by Three

The array {9, 4, 3, 7, 12, 5, 18} is given. Count how many elements are evenly divisible by 3 and print the count:

4

An element is divisible by 3 when arr[i] % 3 == 0. The matching elements are 9, 3, 12, and 18.

Expected Output:

Topics:

Arrays

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