Serialize and Deserialize an N-ary Tree - GeeksforGeeks

Serialize and Deserialize an N-ary Tree - GeeksforGeeks

Serialize and Deserialize an N-ary Tree

Given an N-ary tree where every node has at-most N children. How to serialize and deserialze it? Serialization is to store tree in a file so that it can be later restored. The structure of tree must be maintained. Deserialization is reading tree back from file.

This post is mainly an extension of below post.
Serialize and Deserialize a Binary Tree

In an N-ary tree, there are no designated left and right children. An N-ary tree is represented by storing an array or list of child pointers with every node.
The idea is to store an 'end of children' marker with every node. The following diagram shows serialization where ')' is used as end of children marker. The diagram is taken from here.

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