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Description Vasya has the square chessboard of size n × n and m rooks. Initially the chessboard is empty. Vasya will consequently put the rooks on the 阅读全文
posted @ 2016-07-23 14:48
樱花落舞
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Description There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the be 阅读全文
posted @ 2016-07-23 14:29
樱花落舞
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