2 Dimensional Fun

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Given N points in a plane, how many squares can you make from these points? Input The first line contains t, the number of test cases (about 10). Then t test cases follow. Each test case has the following form: - The first line contains an integer N, the number of points in the given set (4 ≤ N ≤ 555). - Then N lines follow, each line contains two integers X, Y describing coordinates of a poi

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solution.cppC++17

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