10998 - Flipping Colors

All about problems in Volume 109. If there is a thread about your problem, please use it. If not, create one with its number in the subject.

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Re: 10998 - Flipping colors

Post by DD »

I was so fool that I first try to initialize an 2D array filled with black. After several failed try, I realized it can only be solved to simulate every time according to the input :o Finally, I got A.C. :D
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