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[](https://developer.apple.com/.md)
[](https://developer.apple.com/.md)
[There is an English version of README here. just click it！](https://github.com/MisterBooo/LeetCodeAnimation/blob/master/README-En.md)
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！
文章最新首发于微信公众号 **五分钟学算法** ，您可以关注获取最新的文章。
我已经将所有文章同步到了我的个人博客，如果国内访问 GitHub 较慢（图片裂开），可以访问这个地址：[https://www.cxyxiaowu.com/likou/leetcode](https://www.cxyxiaowu.com/likou/leetcode)。
## 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）](https://mp.weixin.qq.com/s/vn3KiV-ez79FmbZ36SX9lg) | |
| 1 | [两数之和](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第1号问题：两数之和.md) |  |
| 2 | [两数相加](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第2号问题：两数相加.md) |  |
| 3 | [无重复字符的最长子串](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第3号问题：无重复字符的最长子串.md) |  |
| 4 | [寻找两个有序数组的中位数](https://mp.weixin.qq.com/s/FBlH7o-ssj_iMEPLcvsY2w) | |
| 9 | [回文数](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第9号问题：回文数.md) | |
| 10 | [正则表达式匹配](https://mp.weixin.qq.com/s/ZoytuPt5dfP5pMODbuKnCQ) | |
| 11 | [盛最多水的容器](https://mp.weixin.qq.com/s/0PCW-7JzU8rfrLA5GQmFiQ) |  |
| 15 | [三数之和](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第15号问题：三数之和.md) | |
| 19 | [删除链表的倒数第 N 个节点](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第19号问题：删除链表的倒数第N个节点.md) |  |
| 20 | [有效的括号](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第20号问题：有效的括号.md) |  |
| 21 | [合并两个有序链表](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第21号问题：合并两个有序链表.md) | |
| 23 | [合并 K 个排序链表](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第23号问题：合并K个排序链表.md) | |
| 24 | [两两交换链表中的节点](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第24号问题：两两交换链表中的节点.md) | |
| 25 | [K 个一组翻转链表](https://mp.weixin.qq.com/s/YOz66mJchVIEQjA7TBV2cg) | |
| 26 | [删除排序数组中的重复项](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第26号问题：删除排序数组中的重复项.md) |  |
| 32 | [最长有效括号](https://mp.weixin.qq.com/s/CPIDKHsg3ROT10rVFDyDJQ) | |
| 38 | [报数](https://mp.weixin.qq.com/s/DKXJR8pNX3fKGvtSn0TEjw) | |
| 41 | [缺失的第一个正数](<https://mp.weixin.qq.com/s?__biz=MzUyNjQxNjYyMg==&mid=2247486473&idx=3&sn=06bf5f9c17cd3cb328934acc698b0ec3&chksm=fa0e6388cd79ea9e30c67dd2e5251056d860ba45e1fcbbcd4524573072305396d06629312c91&token=1735603091&lang=zh_CN#rd>) | |
| 66 | [加一](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第66号问题：加一.md) | |
| 75 | [颜色分类](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第75号问题：颜色分类.md) |  |
| 86 | [分割链表](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第86号问题：分割链表.md) | |
| 92 | [反转链表 II](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第92号问题：反转链表II.md) | |
| 94 | [二叉树的中序遍历](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第94号问题：二叉树的中序遍历.md) | |
| 101 | [对称二叉树](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第101号问题：对称二叉树.md) | |
| 102 | [二叉树的层序遍历](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第102号问题：二叉树的层序遍历.md) | |
| 103 | [二叉树的锯齿形层次遍历](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第103号问题：二叉树的锯齿形层次遍历.md) | |
| 107 | [二叉树的层次遍历 II](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第107号问题：二叉树的层次遍历II.md) | |
| 118 | [杨辉三角](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第118号问题：杨辉三角.md) | |
| 119 | [杨辉三角II](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第119号问题：杨辉三角II.md) | |
| 110 | [平衡二叉树](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第110号问题：平衡二叉树.md) | |
| 121 | [买卖股票的最佳时机](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第121号问题：买卖股票的最佳时机.md) | |
| 122 | [买卖股票的最佳时机II](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第122号问题：买卖股票的最佳时机II.md) | |
| 123 | [买卖股票的最佳时机III](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第123号问题：买卖股票的最佳时机III.md) | |
| 125 | [验证回文串](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第125号问题：验证回文串.md) | |
| 131 | [分割回文串](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第131号问题：分割回文串.md) | |
| 136 | [只出现一次的数字](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第136号问题：只出现一次的数字.md) | |
| 138 | [复制带随机指针](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第138号问题：复制带随机指针.md) | |
| 139 | [单词拆分](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第139号问题：单词拆分.md) | |
| 141 | [环形链表](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第141号问题：环形链表.md) | |
| 144 | [二叉树的前序遍历](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第144号问题：二叉树的前序遍历.md) | |
| 145 | [二叉树的后序遍历](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第145号问题：二叉树的后序遍历.md) | |
| 146 | [LRU缓存机制](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第146号问题：LRU缓存机制.md) | |
| 150 | [逆波兰表达式求值](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第150号问题：逆波兰表达式求值.md) | |
| 153 | [寻找旋转排序数组中的最小值](<https://mp.weixin.qq.com/s?__biz=MzUyNjQxNjYyMg==&mid=2247486243&idx=3&sn=ed49d65662be56ca76753141b91ce6ef&chksm=fa0e64a2cd79edb4b64d11e3af5f0ee2f597bbd843d5f34a812ef70f0f97e190d381e77f05f8&token=387372133&lang=zh_CN#rd>) | |
| 164 | [最大间距](https://mp.weixin.qq.com/s/xHxjCDdFZyCW2pnY6Cz8SQ) | |
| 167 | [两数之和 II - 输入有序数组](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第167号问题：两数之和II-输入有序数组.md) | |
| 169 | [求众数](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第169号问题：求众数.md) | |
| 172 | [阶乘后的零](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第172号问题：阶乘后的零.md) | |
| 187 | [重复的 DNA 序列](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第187号问题：重复的DNA序列.md) | |
| 191 | [位1的个数](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第191号问题：位1的个数.md) | |
| 199 | [二叉树的右视图](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第199号问题：二叉树的右视图.md) | |
| 201 | [数字范围按位与](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第201号问题：数字范围按位与.md) | |
| 203 | [移除链表元素](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第203号问题：移除链表元素.md) | |
| 206 | [反转链表](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第206号问题：反转链表.md) | |
| 209 | [长度最小的子数组](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第209号问题：长度最小的子数组.md) | |
| 219 | [存在重复元素 II](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第219号问题：存在重复元素II.md) | |
| 229 | [求众数II](https://mp.weixin.qq.com/s/ObO4eQbjp1s1g_WXPkjixQ) | |
| 231 | [2的幂](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第231号问题：2的幂.md) | |
| 232 | [使用栈实现队列](https://mp.weixin.qq.com/s/j6w94_PjvsL9Dip_xBcqcg) | |
| 237 | [删除链表中的节点](https://mp.weixin.qq.com/s/2XdUeDNblryFpXpTUgsaMQ) | |
| 239 | [滑动窗口最大值](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第239号问题：滑动窗口最大值.md) | |
| 242 | [有效的字母异位词](https://mp.weixin.qq.com/s/o5HTxmOgpftSaQdebS9zyQ) | |
| 268 | [缺失数字](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第268号问题：缺失数字.md) | |
| 279 | [完全平方数](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第279号问题：完全平方数.md) | |
| 283 | [移动零](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第283号问题：移动零.md) | |
| 295 | [数据流的中位数](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第295号问题：数据流的中位数.md) | |
| 301 | [删除无效的括号](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第301号问题：删除无效的括号.md) | |
| 319 | [灯泡开关](https://mp.weixin.qq.com/s/u35RGvT5Bc2o7jM-Uu_ZYA) | |
| 326 | [3 的幂](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第326号问题：3的幂.md) | |
| 328 | [奇偶链表](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第328号问题：奇偶链表.md) | |
| 342 | [4的幂](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第342号问题：4的幂.md) | |
| 344 | [反转字符串](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第344号问题：反转字符串.md) | |
| 347 | [前K个高频元素](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第347号问题：前K个高频元素.md) | |
| 349 | [两个数组的交集](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第349号问题：两个数组的交集.md) | |
| 350 | [两个数组的交集 II](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第350号问题：两个数组的交集II.md) | |
| 445 | [两数相加 II](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第445号问题：两数相加II.md) | |
| 447 | [回旋镖的数量](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第447号问题：回旋镖的数量.md) | |
| 454 | [四数相加 II](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第454号问题：四数相加II.md) | |
| 642 | [设计一个搜索自动完成系统](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第642号问题：设计一个搜索自动完成系统.md) | |
| 690 | [员工的重要性](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第690号问题：员工的重要性.md) | |
| 739 | [每日温度](https://mp.weixin.qq.com/s/3kDSOHyd-qOw7apzj0Z9YQ) | |
| 877 | [石子游戏](https://github.com/MisterBooo/LeetCodeAnimation/tree/master/notes/LeetCode第877号问题：石子游戏.md) | |
| 1025 | [除数博弈](https://mp.weixin.qq.com/s/0u6z02QYj1OpAwf54k8-Dw) | |
| 1099 | [小于 K 的两数之和](https://mp.weixin.qq.com/s/S6BbLeP_th_9JheNX7NN-w) | |
## 几篇学习算法的经验贴
[六千字干货文：到底要怎么去学算法？](https://mp.weixin.qq.com/s/7cpixzxE2DLaEn7F615AqQ)
[微信大佬总结的算法学习经验](https://mp.weixin.qq.com/s/fECqsr3T4WKNcx7s-2ozuA)
邮箱：leetcodeanimation@qq.com
喜欢就 star❤️ 一下吧！
## 和我交流
