Tree traversal is the process of visiting each node in a tree data structure in a specific order. It is a fundamental operation used in various tree algorithms, including searching, sorting, and data processing. There are several methods to perform tree traversal, each with its own order of visiting nodes.
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The summary from www.geeksforgeeks.org/tree-traversals-inorder-preorder-and-postorder/ is a winner:
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4 5In principle one could talk about tree traversal of unordered trees as a number of possible traversals without a fixed order. But we won't consider that under this section, only deterministic ordered tree traversals.