resizing multidimensional vector

Question

How to resize multidimensional vector such as:

  vector  > > array; 

For example, I need arr

Answer 1

I did it))

array.resize(3);
for (int i = 0; i < 3; i++)
{
    array[i].resize(5);
    for (int j = 0; j < 5; j++)
    {
       array[i][j].resize(10);
    }
}