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[LeetCode 447.] Number of Boomerangs

LeetCode 447. Number of Boomerangs 题目描述 You are given n points in the plane that are all distinct, where points[i] = [xi, yi]. A boomerang is a tuple of points (i, j, k) such that the distance between i and j equals the distance between i and k (the order

Leetcode 447：Number of Boomerangs

Leetcode 447：Number of Boomerangs You are given n points in the plane that are all distinct, where points[i] = [xi, yi]. A boomerang is a tuple of points (i, j, k) such that the distance between i and j equals the distance between i and k (the order of

LeetCode_447. Number of Boomerangs

  447. Number of Boomerangs Easy 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 i and j equals the distance between i and k (the order of the tuple ma

[leetcode]447. Number of Boomerangs

problem 447. Number of Boomerangs       re: 1. Leetcode_447. Number of Boomerangs; end

leetcode447-Number of Boomerangs

1.问题描述 描述： 　　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 i and jequals the distance between i and k (the order of the tuple matters). Find the number