PHP Closest Pair Problem: Determine the closest pair in a set of points

php-solution-to-closest-pair-problem
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Implements closest pair problem solution using Brute force, Divide and Conquer approach. For more information on closest
pair problem visit http://en.wikipedia.org/wiki/Closest_pair_of_points_problem

This class implements solution using brute force which runs as O(n2) and Divide and Conquer approach which
runs as O(n log n). See example files for demo.