Apply for a two-dimensional array on the C ++ Stack

Apply for a two-dimensional array on the C ++ Stack

Assume that you want to apply for a double-sized m * n Array.

There are the following methods:

• Method 1: advantages: the applied space is continuous. Disadvantages: hard to understand

1Double(* D) [N] =New Double[M] [N]

• Method 2: Advantages: easy to understand disadvantages: the requested space cannot be consecutive and multiple pointers are required for management.

Double*D [m];For(IntI =0; I <m; I ++) D [I]=New Double[N];