It has nothing to do with luck. Remember that these are pseudo-random numbers.
Yep. More luck than brains here. You really have to get lucky to have this one work. Roughly 1/216 th probability.
You're right Peter... and I've been kind of lucky this time :)
Determine if input is odd
Tic Tac Toe FTW
Find the sum of the elements in the "second" diagonal
Create an n-by-n null matrix and fill with ones certain positions
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