Slug: tree-ser-01 · Paired reading: Chapter 19
Prompt
Preorder serialize with # for null children (space-separated).
serialize(root) -> String and deserialize(&str) -> Tree round-trip.
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intermediate · order 115
Slug: tree-ser-01 · Paired reading: Chapter 19
Preorder serialize with # for null children (space-separated).
serialize(root) -> String and deserialize(&str) -> Tree round-trip.