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Func<Point, List<Point>, int> sortDistance = (point, pointList) =>
{
KeyValuePair<double, int> smallestDistance = new KeyValuePair<double, int>();
for (int i = 0; i < pointList.Count; i++)
{
double distance = Math.Sqrt(Math.Pow(point.X - pointList[i].X, 2) + Math.Pow(point.Y - pointList[i].Y, 2));
if (i == 0)
{
smallestDistance = new KeyValuePair<double, int>(distance, i);
}
else
{
if (distance < smallestDistance.Key)
{
smallestDistance = new KeyValuePair<double, int>(distance, i);
}
}
}
return smallestDistance.Value;
};
var inputList = new List<Point>() { new Point(2,7), new Point(12, 5), new Point(0, 3), new Point(5, 10), new Point(4, 5) };
List<Point> output = new List<Point>();
output.Add(inputList[sortDistance(new Point() { X = 0, Y = 0 }, inputList)]);
inputList.Remove(output[0]);
int x = 0;
for (int i = 0; i < inputList.Count + x; i++)
{
output.Add(inputList[sortDistance(output[output.Count - 1], inputList)]);
inputList.Remove(output[output.Count - 1]);
x++;
}
결과
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