winding rule is used to find the points either interior or exterior to ploygon
so , but the problem lies that when the point lies in the same line we have
to apply some different concept that i am...

well explain it in amore simple manner i could not reall yget the whole of it

insert a node in circular link list without traversing it.
:?:
you have to insert the node at any place "without traversing it

help me out!!! in this