Computer Science Java Help Which are valid trees? List all correct answers. Whic

Question

Computer Science Java Help

Which are valid trees? List all correct answers. Which are valid binary trees? List all correct answers. Which are valid binary search trees? List all correct answers. List the nodes of tree i. above in the order in which a level-order traversal would visit them. List the nodes of tree i. above in the order in which a pre-order traversal would visit them. List the nodes of tree i. above in the order in which an in-order traversal would visit them. List the nodes of tree i. above in the order in which a post-order traversal would visit them.

Explanation / Answer

a) i, ii, v, vi

b) i, ii, vi

c) ii, vi

d) 11 17 22 6 2 9 33

e) 11 17 6 2 22 9 33

f) 6 17 2 11 9 22 33

g) 6 2 17 9 33 22 11

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