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From friend: given a chessboard with coins flipped randomly, what strategy lets you communicate an arbitrary square by flipping one coin?On twitter.com
Mood +1 🙂
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A solution to math.stackexchange.com/questions/513602/determining-the-favored-penny-on-a-chessboard is equivalent to coloring hypercube(64) graph with 64 colors so every vertex is adjacent to all 64.Permalink On twitter.com