Web Reference: The goal here is to compute the number of intersections in a sequence of discs. You can find the question of this NumberOfDiscIntersections problem in the Codility website. Jan 26, 2011 · To begin, start by considering the O (N^2) solution that iterates over the discs in order of their center points, and counts the number of discs centered to the right of the current disc's that intersect the current disc, using the condition current_center + radius >= other_center - radius. Compute the number of intersections in a sequence of discs. We draw N discs on a plane. The discs are numbered from 0 to N − 1. An array A of N non-negative integers, specifying the radiuses of the discs, is given. The J-th disc is drawn with its center at (J, 0) and radius A [J].
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