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Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral poste 阅读全文
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Description An array of size n ≤ 10 6 is given to you. There is a sliding window of size k which is moving from the very left of the array to the very 阅读全文
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Description Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the leve 阅读全文