POJ 3764 The xor-longest Path
摘要:Description In an edge-weighted tree, the xor-length of a path p is defined as the xor sum of the weights of edges on p: ⊕ is the xor operator. We say
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POJ 2299 Ultra-QuickSort 简单题解
摘要:Ultra-QuickSort Time Limit: 7000MS Memory Limit: 65536K Total Submissions: 68874 Accepted: 25813 Description In this problem, you have to analyze a pa
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