//извлечь из стека
public int Pop()
{
NodeSt p = Head;
Head = Head.next;
return(p.state);
}
//добавить в стек
public void Push(int x)
{
if (Head == null)
{
NodeSt p = new NodeSt();
p.state = x;
p.next = Head;
Head = p;
}
else
{
NodeSt p = new NodeSt();
p.state = x;
p.number = Head.number + 1;
p.next = Head;
Head = p;
}
}
public void PushIndex(int index, int token)
{
NodeSt temp = Dostup;
bool flag = false;
while (!flag && temp != null)
{
if (temp.number == index)
{
flag = true;
}
else
{
temp = temp.next;
}
}
if (flag)
{
temp.state = token;
}
}
public Stack()
{
Head = null;
}
public NodeSt()
{
state = 0;
number = 0;
next = null;
}