deno.land / x / masx200_leetcode_test@10.6.5 / binary-tree-zigzag-level-order-traversal / index.ts

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import { TreeNode } from "../binary-tree-inorder-traversal/TreeNode.ts";import { level } from "../binary-tree-level-order-traversal-ii/level.ts";
export default function zigzagLevelOrder(root: TreeNode | null): number[][] { if (!root) return []; const current: TreeNode[] = [root]; const result: number[][] = [];
level(current, (r) => result.push(r)); result.forEach((v, i) => { if (i % 2) { v.reverse(); } }); return result;}
masx200_leetcode_test
leetcode题解和一些测试工具
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4 months ago