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摘要: Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters. Please note that the string 阅读全文
posted @ 2017-06-12 20:17 hellowOOOrld 阅读(131) 评论(0) 推荐(0)
摘要: Given n points in the plane that are all pairwise distinct, a "boomerang" is a tuple of points (i, j, k) such that the distance between iand j equals 阅读全文
posted @ 2017-06-12 10:05 hellowOOOrld 阅读(190) 评论(-1) 推荐(0)