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2458: [BeiJing2011]最小三角形 Description Xaviera现在遇到了一个有趣的问题。平面上有N个点,Xaviera想找出周长最小的三角形。由于点非常多,分布也非常乱,所以Xaviera想请你来解决这个问题。为了减小问题的难度,这里的三角形也包括共线的三点。 Xavier 阅读全文
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A set of points on a plane is called good, if for any two points at least one of the three conditions is true: those two points lie on same horizontal 阅读全文
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区间的价值 Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1405 Accepted Submission(s): 623 Problem D 阅读全文