2d array rows/columns length C

Question

I need to declare a 2d array to represent the size of chess-board. However, I'm having a trouble understanding how would I actually calculate the width and the length of the board. I would like to know how could I calculate size of the rows and columns of my 2d array

Say, int boardSize[5][5]?

int main()
{
   int boardSize[5][5];
   int boardWidth=?
   int boardHeight =?
   createBoard(boardWidth, boardHeight);
}

 int createBoard(int width, int height)
 {
   // code that actually creates board //
 }

Sorry, for not being specific in the begging. So, here I need to calculate boardwidth and boardheight variables? How do I do that from the declared array above. Thank you!

Answer 1

boardSize[0] gives you the first row of the matrix, boardSize[0][0] the first of its elements. So the quantities you are looking for are sizeof boardSize/ sizeof boardSize[0] and sizeof boardSize[0]/ sizeof boardSize[0][0].

BTW: use size_t as a type for sizes, not int.