public T leftShift(int index, bool removeTop)
{
MyStack <T> stack = stacks[index];
T removed_item;
if (removeTop)
{
removed_item = stack.Pop();
}
else
{
removed_item = stack.RemoveBottom();
}
if (stack.IsEmpty())
{
stacks.RemoveAt(index);
}
else if (stacks.Count > index + 1)
{
T v = leftShift(index + 1, false);
stack.Push(v);
}
return(removed_item);
}
public T Pop()
{
MyStack <T> last = GetLastStack();
T v = last.Pop();
if (last.size == 0)
{
stacks.RemoveAt(stacks.Capacity - 1);
}
return(v);
}
