Is the size of an array determined at compile time?

Question

When I was reading about the array initialization in this tutorial. I found out this note.

type name [elements];

NOTE: The e

Answer 1

You may use :

int array[42];

but not

int n;
std::cin >> n;
int array[n]; // Not standard C++

the later is supported as extension by some compiler as VLA (Variable length array)