int ** vs int [ROWS][COLS]

Posted by user355638 on Stack Overflow See other posts from Stack Overflow or by user355638
Published on 2010-06-01T16:37:00Z Indexed on 2010/06/01 16:43 UTC
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I have a 2D array declared like this:

int arr[2][2]={ {1,2},{3,4}};

Now if I do:

int ** ptr=(int**) arr;

and:

cout<<**ptr;

I am getting a segmentation fault (using g++-4.0).

Why so? Shouldn't it be printing the value 1 (equal to arr[0][0])?

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