GitHub - LJDI/LeetCodeAnimation: Demonstrate all the questions on LeetCode in the form of animation.（用动画的形式呈现解LeetCode题目的思路）

There is an English version of README here. just click it！

我会尽力将 LeetCode 上所有的题目都用动画的形式演示出来，计划用 3 到 4 年时间去完成它，期待与你见证这一天！

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为了帮助大家更好的入门学习算法，经过半年的积累，我给大家整理了《剑指 Offer》系列的四十道题目，都是算法面试的高频题目，每一道题目我都提供详细的分析、精美的配图、易于理解的动画视频，适合那些第一次刷题的同学，当然，也适合重复刷题的老手再次学习巩固基础。

文章同步博客地址：https://blog.algomooc.com/

汇总

序号	题目&题解	动画
0	十大经典排序算法动画与解析，看我就够了！（配代码完全版）
1	两数之和
2	两数相加
3	无重复字符的最长子串
4	寻找两个有序数组的中位数
9	回文数
10	正则表达式匹配
11	盛最多水的容器
15	三数之和
19	删除链表的倒数第 N 个节点
20	有效的括号
21	合并两个有序链表
23	合并 K 个排序链表
24	两两交换链表中的节点
25	K 个一组翻转链表
26	删除排序数组中的重复项
32	最长有效括号
38	报数
41	缺失的第一个正数
66	加一
75	颜色分类
86	分割链表
92	反转链表 II
94	二叉树的中序遍历
101	对称二叉树
102	二叉树的层序遍历
103	二叉树的锯齿形层次遍历
107	二叉树的层次遍历 II
118	杨辉三角
119	杨辉三角II
110	平衡二叉树
121	买卖股票的最佳时机
122	买卖股票的最佳时机II
123	买卖股票的最佳时机III
125	验证回文串
131	分割回文串
136	只出现一次的数字
138	复制带随机指针
139	单词拆分
141	环形链表
144	二叉树的前序遍历
145	二叉树的后序遍历
146	LRU缓存机制
150	逆波兰表达式求值
153	寻找旋转排序数组中的最小值
164	最大间距
167	两数之和 II - 输入有序数组
169	求众数
172	阶乘后的零
187	重复的 DNA 序列
191	位1的个数
199	二叉树的右视图
201	数字范围按位与
203	移除链表元素
206	反转链表
209	长度最小的子数组
219	存在重复元素 II
229	求众数II
231	2的幂
232	使用栈实现队列
237	删除链表中的节点
239	滑动窗口最大值
242	有效的字母异位词
268	缺失数字
279	完全平方数
283	移动零
295	数据流的中位数
301	删除无效的括号
319	灯泡开关
326	3 的幂
328	奇偶链表
342	4的幂
344	反转字符串
347	前K个高频元素
349	两个数组的交集
350	两个数组的交集 II
445	两数相加 II
447	回旋镖的数量
454	四数相加 II
642	设计一个搜索自动完成系统
690	员工的重要性
739	每日温度
877	石子游戏
1025	除数博弈
1099	小于 K 的两数之和

Name		Name	Last commit message	Last commit date
Latest commit History 246 Commits
0001-Two-Sum		0001-Two-Sum
0002-Add-Two-Numbers		0002-Add-Two-Numbers
0003-Longest-Substring-Without-Repeating-Characters/Article		0003-Longest-Substring-Without-Repeating-Characters/Article
0004-median-of-two-sorted-arrays		0004-median-of-two-sorted-arrays
0005-Longest Palindromic Substring		0005-Longest Palindromic Substring
0006-ZigZag Conversion		0006-ZigZag Conversion
0009-Palindrome-Number/Article		0009-Palindrome-Number/Article
0011-maxArea		0011-maxArea
0015-3Sum		0015-3Sum
0019-Remove-Nth-Node-From-End-of-List/Article		0019-Remove-Nth-Node-From-End-of-List/Article
0020-Valid-Parentheses/Article		0020-Valid-Parentheses/Article
0021-Merge-Two-Sorted-Lists/Article		0021-Merge-Two-Sorted-Lists/Article
0022-Generate-Parentheses		0022-Generate-Parentheses
0023-Merge-k-Sorted-Lists/Article		0023-Merge-k-Sorted-Lists/Article
0024-Swap-Nodes-in-Pairs		0024-Swap-Nodes-in-Pairs
0025-Reverse-Nodes-In-K-Group		0025-Reverse-Nodes-In-K-Group
0026-Remove-Duplicates-from-Sorted-Array/Article		0026-Remove-Duplicates-from-Sorted-Array/Article
0034-find-first-and-last-position-of-element-in-sorted-array		0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position		0035-search-insert-position
0036-valid-sudoku		0036-valid-sudoku
0042-Trap		0042-Trap
0048-Rotate-Image		0048-Rotate-Image
0053 - I. Find number in sort arrayI		0053 - I. Find number in sort arrayI
0058-length-Of-Last-Word		0058-length-Of-Last-Word
0066-Plus-One/Article		0066-Plus-One/Article
0070-Climbing-Stairs		0070-Climbing-Stairs
0075-Sort-Colors/Article		0075-Sort-Colors/Article
0084-Largest-Rectangle-In-Histogram		0084-Largest-Rectangle-In-Histogram
0086-Partition-List/Article		0086-Partition-List/Article
0088-Merge-Sorted-Array		0088-Merge-Sorted-Array
0092-Reverse-Linked-List-II/Article		0092-Reverse-Linked-List-II/Article
0094-Binary-Tree-Inorder-Traversal		0094-Binary-Tree-Inorder-Traversal
0101-Symmetric-Tree/Article		0101-Symmetric-Tree/Article
0102-Binary-Tree-Level-Order-Traversal/Article		0102-Binary-Tree-Level-Order-Traversal/Article
0103-Binary-Tree-Zigzag-Level-Order-Traversal/Article		0103-Binary-Tree-Zigzag-Level-Order-Traversal/Article
0104-Maximum-Depth-Of-Binary-Tree		0104-Maximum-Depth-Of-Binary-Tree
0107-Binary-Tree-Level-Order-Traversal-II/Article		0107-Binary-Tree-Level-Order-Traversal-II/Article
0110-Balanced-Binary-Tree		0110-Balanced-Binary-Tree
0118-Generate		0118-Generate
0120-Triangle		0120-Triangle
0124-Binary-Tree-Maximum-Path-Sum		0124-Binary-Tree-Maximum-Path-Sum
0125-Valid-Palindrome		0125-Valid-Palindrome
0128-Longest-Consecutive-Sequence		0128-Longest-Consecutive-Sequence
0131-Palindrome-Partitioning		0131-Palindrome-Partitioning
0133-Clone-Graph		0133-Clone-Graph
0136-Single-Number		0136-Single-Number
0137-Single-Number-II		0137-Single-Number-II
0138-Copy-List-with-Random-Pointer		0138-Copy-List-with-Random-Pointer
0139-Word-Break/Article		0139-Word-Break/Article
01394-Find-out-the-lucky-number-in-the-array		01394-Find-out-the-lucky-number-in-the-array
0141-Linked-List-Cycle		0141-Linked-List-Cycle
0142-Linked-List-Cycle-ii		0142-Linked-List-Cycle-ii
0144-Binary-Tree-Preorder-Traversal		0144-Binary-Tree-Preorder-Traversal
0145-Binary-Tree-Postorder-Traversal		0145-Binary-Tree-Postorder-Traversal
0146-LRU-Cache		0146-LRU-Cache
0150-Evaluate-Reverse-Polish-Notation		0150-Evaluate-Reverse-Polish-Notation
0155-min-stack		0155-min-stack
0160-Intersection-of-Two-Linked-Lists		0160-Intersection-of-Two-Linked-Lists
0162-Find-Peak-Element		0162-Find-Peak-Element
0167-Two-Sum-II-Input-array-is-sorted		0167-Two-Sum-II-Input-array-is-sorted
0169-Majority-Element		0169-Majority-Element
0172-Factorial-Trailing-Zeroes/Article		0172-Factorial-Trailing-Zeroes/Article
0189-Rotate-Array		0189-Rotate-Array
0200-Number-of-Islands		0200-Number-of-Islands
0201-Bitwise-And-Of-Numbers-Range/Article		0201-Bitwise-And-Of-Numbers-Range/Article
0202-happy-number		0202-happy-number
0203-Remove-Linked-List-Elements		0203-Remove-Linked-List-Elements
0206-Reverse-Linked-List		0206-Reverse-Linked-List
0209-Minimum-Size-Subarray-Sum		0209-Minimum-Size-Subarray-Sum
0215-Kth-Largest-Element-in-an-Array		0215-Kth-Largest-Element-in-an-Array
0219-Contains-Duplicate-II		0219-Contains-Duplicate-II
0231-Power-Of-Two/Article		0231-Power-Of-Two/Article
0234-isPalindrome		0234-isPalindrome
0237-Delete-Node-in-a-Linked-List		0237-Delete-Node-in-a-Linked-List
0239-Sliding-Window-Maximum		0239-Sliding-Window-Maximum
0242-Valid-Anagram		0242-Valid-Anagram
0260-Single-Number-III		0260-Single-Number-III
0268-Missing-Number		0268-Missing-Number
0279-Perfect-Squares		0279-Perfect-Squares
0283-Move-Zeroes		0283-Move-Zeroes
0290-Word-Pattern		0290-Word-Pattern
0295-Find-Median-from-Data-Stream		0295-Find-Median-from-Data-Stream
0328-Odd-Even-Linked-List		0328-Odd-Even-Linked-List
0342-Power-Of-Four/Article		0342-Power-Of-Four/Article
0344-Reverse-String		0344-Reverse-String
0347-Top-K-Frequent-Elements		0347-Top-K-Frequent-Elements
0349-Intersection-of-Two-Arrays		0349-Intersection-of-Two-Arrays
0350-Intersection-of-Two-Arrays-II		0350-Intersection-of-Two-Arrays-II
0387-First-Unique-Character-In-String		0387-First-Unique-Character-In-String
0394-Decode-String		0394-Decode-String
0407-Trapping-Rain-Water-II		0407-Trapping-Rain-Water-II
0445-Add-Two-Numbers-II		0445-Add-Two-Numbers-II
0447-Number-of-Boomerangs		0447-Number-of-Boomerangs
0454-4Sum-II		0454-4Sum-II
0461-hamming-distance		0461-hamming-distance
0477-total-hamming-distance		0477-total-hamming-distance
0530-minimum-absolute-difference-in-bst		0530-minimum-absolute-difference-in-bst
0540-Single-Element-in-a-Sorted-Array		0540-Single-Element-in-a-Sorted-Array
0642-Design-Search-Autocomplete-System		0642-Design-Search-Autocomplete-System
0695-Max-Area-of-Island		0695-Max-Area-of-Island

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