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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2013/01/23 17:22:12 UTC

[jira] [Commented] (COLLECTIONS-433) TreeList.addAll() complexity

    [ https://issues.apache.org/jira/browse/COLLECTIONS-433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13560801#comment-13560801 ] 

Thomas Neidhart commented on COLLECTIONS-433:
---------------------------------------------

Well, patches are, as always, very welcome ;-)
                
> TreeList.addAll() complexity
> ----------------------------
>
>                 Key: COLLECTIONS-433
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-433
>             Project: Commons Collections
>          Issue Type: Bug
>    Affects Versions: 3.2.1
>            Reporter: Adrian Nistor
>
> "TreeList.addAll(Collection coll)" has a higher complexity than
> necessary when "coll" is a "TreeList" object (because "addAll" just
> adds one element at a time).  This can be done in just O(N) as
> described for example here:
> http://stackoverflow.com/questions/4458489/merging-2-diferent-avl-trees
> Are there any plans to improve this?

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