public static void Main(string[] args)
{
TwoDPointWithHash[] arr = new TwoDPointWithHash[1000];
int minValue = -500;
int maxValue = 500;
for (int i = 0; i < arr.Length; i++)
{
for (int j = minValue; j < maxValue; j++)
{
arr[i] = new TwoDPointWithHash(j, j);
}
}
int[] arrayHashCode = new int[arr.Length];
for (int i = 0; i < arr.Length; i++)
{
arrayHashCode[i] = arr[i].GetHashCode();
}
double procent;
procent = 1 - (arrayHashCode.Distinct().Count() / arrayHashCode.Length) * 100;
Console.WriteLine($"{procent}%");
}
public static void Demo(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, 10);
TwoDPointWithHash newPoint2 = new TwoDPointWithHash(1, 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("TwoDPointWithHash:");
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);
}
}
