less than 1 minute read

Given a binary tree root, convert it to a singly linked list using an inorder traversal.

Constraints

  • n ≤ 100,000 where n is the number of nodes in root

https://binarysearch.com/problems/Binary-Tree-to-Linked-List

Examples

Example 1

Input

  • root =

Output

  • answer =

Solution

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