deno.land / x / masx200_leetcode_test@10.6.5 / n-ary-tree-level-order-traversal / index.ts
123456789101112131415161718import { Node } from "./Node.ts";
export default function levelOrder(root: Node | null): number[][] { if (!root) return []; const current: Node[] = [root]; const result: number[][] = [];
level(current, (r) => result.push(r)); return result;}function level(nodes: Node[], output: (r: number[]) => void) { if (nodes.length === 0) return;
output(nodes.map((n) => n.val));
level(nodes.map((n) => n.children).flat(), output);}
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