[Remis]

Create a 1D dynamic array first and then allocate for each member a new 1D dynamic array in a loop, so you have an array in an array. Remember to free the allocated memory right, like they did in the example.

http://www.cplusplus.com/forum/articles/7459/
"Pointer based multi-dimensional arrays"

You will find many topics in ****** about this because this is a very common question.