Sum of two arrays

Question

The exercise says \"Make a function with parameters two int arrays and k which is their size. The function should return another array (size k) where every element of it is the

Answer 1

int sum[k] ;

k is a variable but the size of the array should be a constant.

The function should return another array (size k) ...

But the function you wrote returns void which is clearly wrong.

Do I have to do it with pointers?

Yes.