I am writing an accounting system for a class I'm taking at SLU. I need help figuring out the best way to go about copying a 2D array to a temporary 2D array, for eventually copying it back.

Here's my flow of commands:

1. copy a single row of a 2D array
2. change that single row (either add a cell or delete a cell).
3. copy that single row back into the 2D array by the use of a temporary array.
...