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Time Limit: 1000MSMemory Limit: 10000KTotal Submissions: 22335Accepted: 7922DescriptionGiven a connected undirected graph, tell if its minimum spannin... 阅读全文
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DescriptionNow ,there are some rectangles. The area of these rectangles is 1* x or 2 * x ,and now you need find a big enough rectangle( 2 * m) so that... 阅读全文
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DescriptionFor sequence i1, i2, i3, … , iN, we set aj to be the number of members in the sequence which are prior to j and greater to j at the same ti... 阅读全文
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Description Inexperienced in the digital arts, the cows tried to build a calculating engine (yes, it's a cowmpouter) using binary numbers (base 2) but... 阅读全文