Re: Two dimensional array Question

Default User wrote:
> Joe Wright wrote:
> 
>> mdh wrote:
> 
>> Perfect sense. All above is correct. Given 'int arr[2][13];', arr is
>> an array 2 of array 13 of int. 26 consecutive ints.
>>
>>> The exercise associated with this, used the construct
>>>
>>> *p = arr[1 or 0 ] to point to either the "first" or "second" row of
>>> the array. Does the compiler "know" where to point to because it has
>>> been given this information by the declaration of "13" in
>>> arr[2][13].  Hopefully this makes sense too!
>>>
>> No. arr[0] is (the address of) an array 13 of int. 
> 
> No, it's not. It is an array 13 of int, not a pointer to one. arr is a
> pointer to array 13 of int.

You just made the same mistake that you just corrected.

arr isn't any more of a pointer than arr[0] is.
arr isn't any less of an array than arr[0] is.

(sizeof arr) equals (2 * 13 * sizeof(int)).

-- 
pete