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bzoj4578: [Usaco2016 OPen]Splitting the Field Description Farmer John's N cows (3≤N≤50,000) are all located at distinct positions in his two-dimension 阅读全文
posted @ 2016-05-14 12:32
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bzoj4510: [Usaco2016 Jan]Radio Contact Description Farmer John has lost his favorite cow bell, and Bessie the cow has agreed to help him find it! They 阅读全文
posted @ 2016-05-14 12:10
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