Mathematics, 13.03.2020 17:33 soviet85
We have a regular deck of52playing cards, with exactly 4 cards of each of the 13 ranks. The cards have been arbitrarily dealt into13piles, each with4cards in it. Prove that no matter how the13piles have been dealt, there is always a way to take a card from each pile so that we take exactlyone card from each rank.
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We have a regular deck of52playing cards, with exactly 4 cards of each of the 13 ranks. The cards ha...
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