static void Main(string[] args) { TwoDPoint point1 = new TwoDPoint(1, 10); TwoDPoint point2 = new TwoDPoint(1, 10); Console.WriteLine("Hash for point1: {0}\tHash for point2: {1}", point1.GetHashCode(), point2.GetHashCode()); TwoDPointWithHash newPoint1 = new TwoDPointWithHash(1, 1); TwoDPointWithHash newPoint2 = new TwoDPointWithHash(10, 10); Console.WriteLine("Hash for point1: {0}\tHash for point2: {1}", newPoint1.GetHashCode(), newPoint2.GetHashCode()); // уникальных точек будет 2, хотя координаты их одинаковы Console.WriteLine("TwoDPoint:"); var twoDPointList = new List<TwoDPoint> { point1, point2 }; var distinctTwoDPointList = twoDPointList.Distinct(); foreach (var point in distinctTwoDPointList) { Console.WriteLine("Distinct point: {0}", point); } // одна уникальная точка Console.WriteLine("TwoDPointWithHash:"); var twoDPointWithHashList = new List<TwoDPointWithHash> { newPoint1, newPoint2 }; var distinctTwoDPointWithHashList = twoDPointWithHashList.Distinct(); foreach (var point in distinctTwoDPointWithHashList) { Console.WriteLine("Distinct point: {0}", point); } Console.ReadKey(); }
static void Main(string[] args) { int[] array = new int[100000000]; int index = 0; for (int i = 0; i < 100000; i++) { for (int j = 0; j < 100; j++) { int tmp = new TwoDPointWithHash(i, j).GetHashCode(); array[index] = tmp; index++; } } System.Console.WriteLine(array.Distinct().Count() + $" from {10000*10}"); Console.ReadLine(); }