5. Consider the following piece of code: int *Rtci - new a. What will it do? i. Declare a dynamic array of 4 integers, since we always start at index zero ii. Declare a dynamic array of 3 integers, because the index is not relevant here iii. Declare and initialize a dynamic array of 3 integers, all equal to zero. iv. Both ii. and iii. b. Justify your answer in part a. You do not need to write any code