Question: 5. Given a binary tree, return all root-to-leaf paths (depth-first). Write the description and code of the algorithm Example Input: {1,2,3,#,5) public class TreeNode {

5. Given a binary tree, return all root-to-leaf paths (depth-first). Write the description and code of the algorithm Example Input: {1,2,3,#,5) public class TreeNode { Output: ["1->2->5","1-3"] public int val; public TreeNode left, right; Explanation: public TreeNodeant val) { this.val - val; this.left this.right null; 2 3 } 5

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