Data Structures and Algorithms The Complete Masterclass - Depth-first Search – (Preorder, Inorder, and Postorder)

The video tutorial explains a trick for tree traversal, covering preorder, inorder, and postorder methods. It emphasizes that this trick is theoretical and not suitable for coding or interviews. The tutorial details how to perform each traversal, focusing on when to add nodes to the result list. It concludes with a generalization of the traversal methods based on the position of the root node.

What is the rule for adding a node to the result list in postorder traversal?

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Can you summarize the general rules for preorder, inorder, and postorder traversals?

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What are the practical applications of understanding tree traversal methods?

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How can these traversal methods be implemented in coding?

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