README_EN.md

257. Binary Tree Paths

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Description

Given a binary tree, return all root-to-leaf paths.

Note: A leaf is a node with no children.

Example:

Input:



   1

 /   \

2     3

 \

  5



Output: ["1->2->5", "1->3"]



Explanation: All root-to-leaf paths are: 1->2->5, 1->3

Solutions

Python3

Java

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