Write a function that takes as an argument a two-dimensional array with 9 lines and 9 columns (with integer elements), and verifies if the matrix contains a valid Sudoku solution.
This isn't much "help". This is just saying: Make me a sudoku solver. We can give you a few hints but no one is going to make a sudoku solver just because you posted it here...
If your going to ask for something, please ask in a correct manner.
No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.
Unsolved 
