public void DeleteEven()
{
if (Beg == null)
{
Console.WriteLine("Коллекция пуста");
}
else
{
PointTwo <T> p = Beg;
int i = 1;
while (p != null)
{
if ((int)p.Data % 2 == 0)
{
p = p.Next;
i--;
this.Delete(i + 1);
}
else
{
p = p.Next;
}
i++;
}
}
}
public void Delete(int place)
{
if (Beg == null)
{
Console.WriteLine("Коллекция пуста");
}
else
{
if (place == 1)
{
Beg = Beg.Next;
Beg.Pred = null;
}
else
{
PointTwo <T> p = Beg;
for (int i = 1; i < place - 1 && p != null; i++)
{
p = p.Next;
}
if (p.Next == null)
{
Console.WriteLine("В коллекции нет столько элементов");
}
else
{
p.Next = p.Next.Next;
}
}
}
}
public void ShowList()
{
if (Beg == null)
{
Console.WriteLine("Коллекция пуста");
return;
}
PointTwo <T> p = Beg;
while (p != null)
{
Console.WriteLine(p);
p = p.Next;
}
Console.WriteLine();
}
public void MakeList(int size)
{
Random rand = new Random();
PointTwo <T> beg = MakePoint(rand);
PointTwo <T> p2 = beg;
for (int i = 1; i < size; i++)
{
PointTwo <T> p = MakePoint(rand);
p2.Next = p;
p.Pred = p2;
p2 = p;
}
Beg = beg;
}
public int Length()
{
int count = 0;
if (Beg == null)
{
return(count);
}
else
{
PointTwo <T> p = Beg;
while (p != null)
{
count++;
p = p.Next;
}
return(count);
}
}
public void Add(int number, Random rand)
{
PointTwo <T> NewPoint = MakePoint(rand);
if (Beg == null)
{
Beg = MakePoint(rand);
}
else
{
if (number == 1)
{
NewPoint.Next = Beg;
Beg.Pred = NewPoint;
Beg = NewPoint;
}
else
{
PointTwo <T> p = Beg;
for (int i = 2; i < number && p != null; i++)
{
p = p.Next;
}
if (p == null)
{
Console.WriteLine("В коллекции нет столько элементов");
}
else
{
NewPoint.Next = p.Next;
p.Next = NewPoint;
NewPoint.Pred = p;
p.Next.Pred = NewPoint;
}
}
}
}
public PointTwo <T> MakePoint(Random rand)
{
PointTwo <T> p = new PointTwo <T>(rand);
return(p);
}
public ListTwo(ListTwo <T> list)
{
Beg = list.Beg;
}
public ListTwo(PointTwo <T> data)
{
Beg = data;
}
public ListTwo()
{
Beg = null;
}
public PointTwo(T data)
{
Data = data;
Next = null;
Pred = null;
}
public PointTwo()
{
Next = null;
Pred = null;
Data = default(T);
}
