using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Line
{
class Point
{
private int x;
private int y;
public int X { get {return x;}}
public int Y { get {return y;}}
public Point(int X,int Y)
{
x = X;
y = Y;
}
}
class BrokenLine
{
List<Point> brokenLine;
public BrokenLine()
{
brokenLine = new List<Point>();
}
public void AddPoint(Point point)
{
brokenLine.Add(point);
}
public void AddPoint(int X,int Y)
{
this.AddPoint(new Point(X,Y));
}
private double CalcDistanceBetweenPoints(Point p1, Point p2)
{
return Math.Sqrt(Math.Pow(p2.X - p1.X, 2) + Math.Pow(p2.Y - p1.Y, 2));
}
private double CalcDistance()
{
double distance = 0;
for (int i = 1; i < brokenLine.Count; ++i)
{
distance += CalcDistanceBetweenPoints(brokenLine[i - 1], brokenLine[i]);
}
return distance;
}
public double Distance
{
get
{
return CalcDistance();
}
}
}
class Program
{
static void Main(string[] args)
{
BrokenLine brokenLine = new BrokenLine();
brokenLine.AddPoint(1, 2);
brokenLine.AddPoint(1, 3);
Console.WriteLine(brokenLine.Distance);
}
}
}