| [662. Maximum Width of Binary Tree](https://leetcode.com/problems/maximum-width-of-binary-tree/?show=1) | [662. 二叉树最大宽度](https://leetcode.cn/problems/maximum-width-of-binary-tree/?show=1) |
| [692. Top K Frequent Words](https://leetcode.com/problems/top-k-frequent-words/?show=1) | [692. 前K个高频单词](https://leetcode.cn/problems/top-k-frequent-words/?show=1) |
| [703. Kth Largest Element in a Stream](https://leetcode.com/problems/kth-largest-element-in-a-stream/?show=1) | [703. 数据流中的第 K 大元素](https://leetcode.cn/problems/kth-largest-element-in-a-stream/?show=1) |
| [200. Number of Islands](https://leetcode.com/problems/number-of-islands/?show=1) | [200. 岛屿数量](https://leetcode.cn/problems/number-of-islands/?show=1) |
| [2049. Count Nodes With the Highest Score](https://leetcode.com/problems/count-nodes-with-the-highest-score/?show=1) | [2049. 统计最高分的节点数目](https://leetcode.cn/problems/count-nodes-with-the-highest-score/?show=1) |
| [863. All Nodes Distance K in Binary Tree](https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree/?show=1) | [863. 二叉树中所有距离为 K 的结点](https://leetcode.cn/problems/all-nodes-distance-k-in-binary-tree/?show=1) |
| - | [剑指 Offer 32 - I. 从上到下打印二叉树](https://leetcode.cn/problems/cong-shang-dao-xia-da-yin-er-cha-shu-lcof/?show=1) |