private static double CalculateTwoPoints(PointsSecond firstPoint, PointsSecond secondPoint)
{
var diffX = firstPoint.X - secondPoint.X;
var diffY = firstPoint.Y - secondPoint.Y;
var powX = Math.Pow(diffX, 2);
var powY = Math.Pow(diffY, 2);
var result = Math.Sqrt(powX + powY);
return(result);
}
static void Main()
{
var n = int.Parse(Console.ReadLine());
var listPoints = new List <PointsSecond>();
for (int i = 0; i < n; i++)
{
var numsLine = Console.ReadLine().Split().Select(double.Parse).ToArray();
listPoints.Add(new PointsSecond {
X = numsLine[0], Y = numsLine[1]
});
}
var minDistanceSoFar = double.MaxValue;
PointsSecond firstPointMin = null;
PointsSecond secondPointMin = null;
for (int i = 0; i < listPoints.Count - 1; i++)
{
for (int k = i + 1; k < listPoints.Count; k++)
{
var firstPoint = listPoints[i];
var secondPoint = listPoints[k];
var currentDistance = CalculateTwoPoints(firstPoint, secondPoint);
if (currentDistance < minDistanceSoFar)
{
minDistanceSoFar = currentDistance;
firstPointMin = firstPoint;
secondPointMin = secondPoint;
}
}
}
Console.WriteLine($"{minDistanceSoFar:F3}");
Console.WriteLine($"({firstPointMin.X}, {firstPointMin.Y})");
Console.WriteLine($"({secondPointMin.X}, {secondPointMin.Y})");
}
