Can a binary tree have same in-order and post-order traversals? Why, or why not?
Added by Xavier B.
Step 1
In-order traversal means visiting the left subtree, then the root node, and then the right subtree. Post-order traversal means visiting the left subtree, then the right subtree, and then the root node. Now, if a binary tree has the same in-order and post-order Show more…
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Can the leaves of an ordered rooted tree have the following list of universal addresses? If so, construct such an ordered rooted tree. a) $1.1 .1,1.1 .2,1.2,2.1 .1 .1,2.1 .2,2.1 .3,2.2,3.1 .1$ $3.1 .2 .1,3.1 .2 .2,3.2$ b) $1.1,1.2 .1,1.2 .2,1.2 .3,2.1,2.2 .1,2.3 .1,2.3 .2$ 2.4.2.1, $2.4 .2 .2,3.1,3.2 .1,3.2 .2$ c) $1.1,1.2 .1,1.2 .2,1.2 .2 .1,1.3,1.4,2,3.1,3.2,4.1 .1 .1$
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