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QQuestion 7 Say that we have a binary search tree with the keys 1 , 2 , 3 , 4 , 5 , 6 ,

QQuestion

7

Say that we have a binary search tree with the keys

1, 2, 3, 4, 5, 6, 7 .

A preorder traversal of the tree prints the keys in the sequence

4, 1, 3, 2, 6, 5, 7 .

What sequence would be printed by a postorder traversal of the tree?

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