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# Searching duplicates in a 2d matrix

Posted on 2005-02-24

Hi everybody,

I asked a question like that sooner, but now I want to customize my function and add some functionalities. Let's say I have a 2d square matrix (x = y) containing some letters and I knows the coordinates of a letter in the grid. Ex. A letter 'C' is located at the point (0,3). How could I check every direction to find a similar letter next to the starting one (including crossline) ?

I've search some info on google about games and searching function but couldn't find anything. If anyone could give me a hand, it would be greaty appreciate !

Thanks a lot !