---
title: 常见数据结构经典LeetCode题目推荐
description: 按数据结构类别整理经典 LeetCode 题目清单，聚焦高频与核心考点，助力系统化刷题与巩固。
category: 计算机基础
tag:
  - 算法
head:
  - - meta
    - name: keywords
      content: LeetCode,数组,链表,栈,队列,二叉树,题目推荐,刷题
---

## 数组

704.二分查找：<https://leetcode.cn/problems/binary-search/>

80.删除有序数组中的重复项 II：<https://leetcode.cn/problems/remove-duplicates-from-sorted-array-ii>

977.有序数组的平方：<https://leetcode.cn/problems/squares-of-a-sorted-array/>

## 链表

707.设计链表：<https://leetcode.cn/problems/design-linked-list/>

206.反转链表：<https://leetcode.cn/problems/reverse-linked-list/>

92.反转链表 II：<https://leetcode.cn/problems/reverse-linked-list-ii/>

61.旋转链表：<https://leetcode.cn/problems/rotate-list/>

## 栈与队列

232.用栈实现队列：<https://leetcode.cn/problems/implement-queue-using-stacks/>

225.用队列实现栈：<https://leetcode.cn/problems/implement-stack-using-queues/>

347.前 K 个高频元素：<https://leetcode.cn/problems/top-k-frequent-elements/>

239.滑动窗口最大值：<https://leetcode.cn/problems/sliding-window-maximum/>

## 二叉树

105.从前序与中序遍历构造二叉树：<https://leetcode.cn/problems/construct-binary-tree-from-preorder-and-inorder-traversal/>

117.填充每个节点的下一个右侧节点指针 II：<https://leetcode.cn/problems/populating-next-right-pointers-in-each-node-ii>

236.二叉树的最近公共祖先：<https://leetcode.cn/problems/lowest-common-ancestor-of-a-binary-tree/>

129.求根节点到叶节点数字之和：<https://leetcode.cn/problems/sum-root-to-leaf-numbers/>

102.二叉树的层序遍历：<https://leetcode.cn/problems/binary-tree-level-order-traversal/>

530.二叉搜索树的最小绝对差：<https://leetcode.cn/problems/minimum-absolute-difference-in-bst/>

## 图

200.岛屿数量：<https://leetcode.cn/problems/number-of-islands/>

207.课程表：<https://leetcode.cn/problems/course-schedule/>

210.课程表 II：<https://leetcode.cn/problems/course-schedule-ii/>

## 堆

215.数组中的第 K 个最大元素:<https://leetcode.cn/problems/kth-largest-element-in-an-array/>

216.数据流的中位数:<https://leetcode.cn/problems/find-median-from-data-stream/>

217.前 K 个高频元素：<https://leetcode.cn/problems/top-k-frequent-elements/>
