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thx

Posted by frkstyc at 2007-04-02 21:18:09 on Problem 3214
In Reply To:key of any node in the subtree rooted at its left child should be less than that of any node in the subtree rooted at its right child. Posted by:fzk at 2007-04-02 20:42:47 
>    1                 10
>   / \               /  \
>  3   6    =====>  (3)   9
> / \ / \           / \  / \
> 1 4 3 8           1 2 (3) 8
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