Here is the reference: http://stackoverflow.com/questions/3753928/finding-border-of-a-binary-tree
None of the proposed solutions is effective enough. Any ideas? -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To view this discussion on the web visit https://groups.google.com/d/msg/algogeeks/-/xjchdh2I_7MJ. To post to this group, send email to algogeeks@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.
