x/masx200_leetcode_test/all-elements-in-two-binary-search-trees/inorder.ts
12345678910import { TreeNode } from "../binary-tree-inorder-traversal/TreeNode.ts";export function inorder(node: TreeNode | null, res: number[]) { if (node) { inorder(node.left, res); res.push(node.val); inorder(node.right, res); }}