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it has to be an integer

Posted by frkstyc at 2007-06-17 01:53:45 on Problem 3214
In Reply To:If I modify the key of a node, can I change the key to noninteger? Posted by:Dynamical at 2007-06-17 01:09:03 
> and, Can I change the key of a right-child node to be same with the key of a root node?

yes, you can
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