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  • Last Updated : 23 Aug, 2019

Which kind of traversal order trie gives the lexicographical sorting of the set of the strings?
(A) Preorder
(B) Postorder
(C) Level order
(D) Inorder

Answer: (A)

To print the string in alphabetical order we have to first insert in the trie and then perform preorder traversal to print in alphabetical order.

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