Take two pointers p and q. Initially p points to head.
while(p!="given pointer") { p=p->link; q=p; }; Now you hv pointer at 3rd and 4th position. Now insertion is simple....Hope this will work -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algoge...@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.