What is validating a binary search tree?

Posted by dotnetdev on Stack Overflow See other posts from Stack Overflow or by dotnetdev
Published on 2009-02-01T01:41:38Z Indexed on 2010/03/30 8:13 UTC
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I read on here of an exercise in interviews known as validating a binary search tree.

How exactly does this work? What would one be looking for in validating a binary search tree? I have written a basic search tree, but never heard of this concept.

Thanks

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