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Originally Posted by tushar_pandey
because they both have , either 0 children or 2 children !
& another question . if we have [ not ] operator in our binary tree than it is necessary to use inorder algoritm with that tree ! or we can use pre-order or post-order algorithm !
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As for "extended binary trees", see
http://mathworld.wolfram.com/ExtendedBinaryTree.html - it's just a way of representing binary trees that can be convenient at times.
I fear the phrase "have a NOT operator in our binary tree" does not make any sense. How do trees contain operators? In general, trees simply contain nodes. Or are you talking about specific trees? If so, which variety? Maybe Boolean expressions encoded as trees of operators and operands?
