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Grokking the Coding Interview Patterns in JavaScript

Serialize and Deserialize Binary Tree

Understand how to serialize a binary tree into a list of integers and then deserialize it back, preserving the original structure. Learn practical techniques using depth-first search to handle trees up to 500 nodes, focusing on reconstructing trees accurately for coding interviews.

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Statement

Serialize a given binary tree to a file and deserialize it back to a tree. Make sure that the original and the deserialized trees are identical.

  • Serialize: Write the tree to a file.

  • Deserialize: Read from a file and reconstruct the tree in memory.

Serialize the tree into a list of integers, and then, deserialize it back from the list to a tree. For simplicity’s sake, there’s no need to write the list to the files.

Constraints:

  • The number of
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