// Creates a 3x3 array. int boardArray[3, 3]

Which makes an array that looks like this, each dimension of the array corresponding to an "x" or "y" value (like a grid):

[1, 1] [1, 2] [1, 3] [2, 1] [2, 2] [2, 3] [3, 1] [3, 2] [3, 3]

And I randomly generated the 0 or 1 result (for X or O) and inserted it into the array at the current spot:

for (int x = 0; x < 9; x++) { for (int y = 0; y < 9; y++) { boardArray[x,y] = rand.Next(); } }So the loop will run like this:

x=1/y=1, x=1/y=2, x=1/y=2 x=2/y=1, x=2/y=2, x=2/y=3 x=3/y=1, x=3/y=2, x=3/y=1

perfectly corresponding to the array.

I goofed on the loop that displayed the results, though, so the board was either all X's or all O's, based on the value stored in boardArray[3, 3]. Oops!

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