Can you explain the second sample:
3 2
11
10
11
How can we turn the board all white by the first operation?
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Problem B : Chess Board
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Problem B : Chess Board
by love8909 on Sat, Jul 24, 2010 15:54
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Re: Problem B : Chess Board
by watashi on Sat, Jul 24, 2010 16:01
It is turned to all white by only one 4th operation, not 4 first operations.
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