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Grokking the Coding Interview Patterns in C#

Recover a Tree From Preorder Traversal

Explore how to rebuild a binary tree from a preorder traversal string that encodes node depth with dashes. Learn to apply depth-first search and interpret traversal depth to reconstruct the tree structure accurately, preparing you for complex tree problems in coding interviews.

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Statement

We perform a preorder depth-first traversal on a binary tree starting from its root.

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