How do I create an array in C++ which is on the heap instead of the stack?

Question

I have a very large array which must be 262144 elements in length (and potentially much larger in future). I have tried allocating the array on the stack like so:

Answer 1

The more C++ way of doing it is to use vector. Then you don't have to worry about deleting the memory when you are done; vector will do it for you.

#include 

std::vector v(262144);