diff --git a/README.md b/README.md
index a4910f6..5c386d9 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,19 @@
:warning:若转载文章，需注明本仓库地址
-## 腾讯（更新牛客21.1.1~21.4.12日的面经）
+## 美团（更新至牛客2021.4.23号面经）
+
+按岗位分类
+
+- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/backend.md)
+- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/algorithm.md)
+- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/client.md)
+- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/frontend.md)
+- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/test.md)
+- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/data.md)
+
+
+## 腾讯（更新至牛客21.4.12日的面经）
按岗位分类
@@ -46,18 +58,6 @@
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/test.md)
-## 美团（牛客2020.8.15~牛客2021.3.30号面经）
-
-按岗位分类
-
-- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/backend.md)
-- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/algorithm.md)
-- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/client.md)
-- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/frontend.md)
-- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/test.md)
-- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/data.md)
-
-
## 微软（更新至牛客3.20日的面经）
- [SDE](https://github.com/afatcoder/LeetcodeTop/blob/master/microsoft/SDE.md)
diff --git a/meituan/algorithm.md b/meituan/algorithm.md
index f712f9e..b0f377c 100644
--- a/meituan/algorithm.md
+++ b/meituan/algorithm.md
@@ -1,13 +1,30 @@
# 算法
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
+
|题目|出现次数|链接|
|-|-|-|
-|补充题4. 手撕快速排序|4|https://leetcode-cn.com/problems/sort-an-array|
-|121. 买卖股票的最佳时机|3|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
+|补充题4. 手撕快速排序|5|https://leetcode-cn.com/problems/sort-an-array|
+|121. 买卖股票的最佳时机|4|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
+|215. 数组中的第K个最大元素|4|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|128. 最长连续序列|2|https://leetcode-cn.com/problems/longest-consecutive-sequence|
+|1143. 最长公共子序列|2|https://leetcode-cn.com/problems/longest-common-subsequence|
+|498. 对角线遍历|2|https://leetcode-cn.com/problems/diagonal-traverse|
|剑指 Offer 65. 不用加减乘除做加法|2|https://leetcode-cn.com/problems/bu-yong-jia-jian-cheng-chu-zuo-jia-fa-lcof|
-|215. 数组中的第K个最大元素|2|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
+|53. 最大子序和|2|https://leetcode-cn.com/problems/maximum-subarray|
+|2. 两数相加|2|https://leetcode-cn.com/problems/add-two-numbers|
+|718. 最长重复子数组|2|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
+|560. 和为K的子数组|1|https://leetcode-cn.com/problems/subarray-sum-equals-k|
+|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
+|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
+|94. 二叉树的中序遍历|1|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
+|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
+|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
+|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
+|76. 最小覆盖子串|1|https://leetcode-cn.com/problems/minimum-window-substring|
+|143. 重排链表|1|https://leetcode-cn.com/problems/reorder-list|
+|103. 二叉树的锯齿形层次遍历|1|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
+|208. 实现 Trie (前缀树)|1|https://leetcode-cn.com/problems/implement-trie-prefix-tree|
|3. 无重复字符的最长子串|1|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
|7. 整数反转|1|https://leetcode-cn.com/problems/reverse-integer|
@@ -15,8 +32,6 @@
|25. K 个一组翻转链表|1|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
-|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
-|2. 两数相加|1|https://leetcode-cn.com/problems/add-two-numbers|
|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
|剑指 Offer 40. 最小的k个数|1|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
|73. 矩阵置零|1|https://leetcode-cn.com/problems/set-matrix-zeroes|
diff --git a/meituan/backend.md b/meituan/backend.md
index ec708c3..e5aefdc 100644
--- a/meituan/backend.md
+++ b/meituan/backend.md
@@ -1,75 +1,95 @@
# 后端
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
+
|题目|出现次数|链接|
|-|-|-|
-|206. 反转链表|16|https://leetcode-cn.com/problems/reverse-linked-list|
-|补充题4. 手撕快速排序|10|https://leetcode-cn.com/problems/sort-an-array|
-|88. 合并两个有序数组|8|https://leetcode-cn.com/problems/merge-sorted-array|
-|718. 最长重复子数组|7|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
-|102. 二叉树的层序遍历|6|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
+|206. 反转链表|27|https://leetcode-cn.com/problems/reverse-linked-list|
+|88. 合并两个有序数组|11|https://leetcode-cn.com/problems/merge-sorted-array|
+|补充题4. 手撕快速排序|11|https://leetcode-cn.com/problems/sort-an-array|
+|141. 环形链表|11|https://leetcode-cn.com/problems/linked-list-cycle|
+|718. 最长重复子数组|10|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
+|102. 二叉树的层序遍历|9|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
+|剑指 Offer 22. 链表中倒数第k个节点|9|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
+|8. 字符串转换整数 (atoi)|8|https://leetcode-cn.com/problems/string-to-integer-atoi|
+|92. 反转链表 II|8|https://leetcode-cn.com/problems/reverse-linked-list-ii|
+|232. 用栈实现队列|7|https://leetcode-cn.com/problems/implement-queue-using-stacks|
+|215. 数组中的第K个最大元素|7|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
+|124. 二叉树中的最大路径和|6|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
+|144. 二叉树的前序遍历|6|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
+|146. LRU缓存机制|6|https://leetcode-cn.com/problems/lru-cache|
+|543. 二叉树的直径|6|https://leetcode-cn.com/problems/diameter-of-binary-tree|
+|142. 环形链表 II|6|https://leetcode-cn.com/problems/linked-list-cycle-ii|
+|160. 相交链表|6|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
+|54. 螺旋矩阵|6|https://leetcode-cn.com/problems/spiral-matrix|
|5. 最长回文子串|6|https://leetcode-cn.com/problems/longest-palindromic-substring|
-|剑指 Offer 22. 链表中倒数第k个节点|6|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
-|8. 字符串转换整数 (atoi)|5|https://leetcode-cn.com/problems/string-to-integer-atoi|
-|232. 用栈实现队列|5|https://leetcode-cn.com/problems/implement-queue-using-stacks|
+|19. 删除链表的倒数第N个节点|6|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
+|21. 合并两个有序链表|6|https://leetcode-cn.com/problems/merge-two-sorted-lists|
+|25. K 个一组翻转链表|5|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
+|236. 二叉树的最近公共祖先|5|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|15. 三数之和|5|https://leetcode-cn.com/problems/3sum|
-|142. 环形链表 II|5|https://leetcode-cn.com/problems/linked-list-cycle-ii|
-|215. 数组中的第K个最大元素|5|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
-|25. K 个一组翻转链表|4|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
-|144. 二叉树的前序遍历|4|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
-|146. LRU缓存机制|4|https://leetcode-cn.com/problems/lru-cache|
+|94. 二叉树的中序遍历|5|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
+|82. 删除排序链表中的重复元素 II|5|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
+|143. 重排链表|5|https://leetcode-cn.com/problems/reorder-list|
+|3. 无重复字符的最长子串|5|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
+|56. 合并区间|5|https://leetcode-cn.com/problems/merge-intervals|
+|剑指 Offer 36. 二叉搜索树与双向链表|4|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
+|415. 字符串相加|4|https://leetcode-cn.com/problems/add-strings|
+|704. 二分查找|4|https://leetcode-cn.com/problems/binary-search|
+|191. 位1的个数|4|https://leetcode-cn.com/problems/number-of-1-bits|
|20. 有效的括号|4|https://leetcode-cn.com/problems/valid-parentheses|
-|543. 二叉树的直径|4|https://leetcode-cn.com/problems/diameter-of-binary-tree|
-|160. 相交链表|4|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
-|141. 环形链表|4|https://leetcode-cn.com/problems/linked-list-cycle|
+|113. 路径总和 II|4|https://leetcode-cn.com/problems/path-sum-ii|
+|7. 整数反转|4|https://leetcode-cn.com/problems/reverse-integer|
+|2. 两数相加|4|https://leetcode-cn.com/problems/add-two-numbers|
+|53. 最大子序和|4|https://leetcode-cn.com/problems/maximum-subarray|
|剑指 Offer 40. 最小的k个数|4|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
+|103. 二叉树的锯齿形层次遍历|4|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
+|151. 翻转字符串里的单词|4|https://leetcode-cn.com/problems/reverse-words-in-a-string|
+|1143. 最长公共子序列|3|https://leetcode-cn.com/problems/longest-common-subsequence|
|110. 平衡二叉树|3|https://leetcode-cn.com/problems/balanced-binary-tree|
-|236. 二叉树的最近公共祖先|3|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
-|415. 字符串相加|3|https://leetcode-cn.com/problems/add-strings|
-|191. 位1的个数|3|https://leetcode-cn.com/problems/number-of-1-bits|
+|1. 两数之和|3|https://leetcode-cn.com/problems/two-sum|
+|199. 二叉树的右视图|3|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|234. 回文链表|3|https://leetcode-cn.com/problems/palindrome-linked-list|
-|94. 二叉树的中序遍历|3|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
+|93. 复原IP地址|3|https://leetcode-cn.com/problems/restore-ip-addresses|
|498. 对角线遍历|3|https://leetcode-cn.com/problems/diagonal-traverse|
-|92. 反转链表 II|3|https://leetcode-cn.com/problems/reverse-linked-list-ii|
+|33. 搜索旋转排序数组|3|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|62. 不同路径|3|https://leetcode-cn.com/problems/unique-paths|
-|2. 两数相加|3|https://leetcode-cn.com/problems/add-two-numbers|
-|143. 重排链表|3|https://leetcode-cn.com/problems/reorder-list|
-|53. 最大子序和|3|https://leetcode-cn.com/problems/maximum-subarray|
-|19. 删除链表的倒数第N个节点|3|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
-|21. 合并两个有序链表|3|https://leetcode-cn.com/problems/merge-two-sorted-lists|
+|169. 多数元素|3|https://leetcode-cn.com/problems/majority-element|
+|剑指 Offer 62. 圆圈中最后剩下的数字|3|https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof|
+|70. 爬楼梯|3|https://leetcode-cn.com/problems/climbing-stairs|
+|补充题5. 手撕归并排序|3|https://leetcode-cn.com/problems/sort-an-array|
+|468. 验证IP地址|3|https://leetcode-cn.com/problems/validate-ip-address|
+|补充题8. 计算数组的小和|3|https://mp.weixin.qq.com/s/0ih4W6nawzFUPSj3GOnYTQ|
+|83. 删除排序链表中的重复元素|3|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|78. 子集|3|https://leetcode-cn.com/problems/subsets|
+|46. 全排列|3|https://leetcode-cn.com/problems/permutations|
|34. 在排序数组中查找元素的第一个和最后一个位置|2|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
-|剑指 Offer 36. 二叉搜索树与双向链表|2|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
|384. 打乱数组|2|https://leetcode-cn.com/problems/shuffle-an-array|
-|1. 两数之和|2|https://leetcode-cn.com/problems/two-sum|
-|704. 二分查找|2|https://leetcode-cn.com/problems/binary-search|
-|199. 二叉树的右视图|2|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|226. 翻转二叉树|2|https://leetcode-cn.com/problems/invert-binary-tree|
|69. x 的平方根|2|https://leetcode-cn.com/problems/sqrtx|
-|93. 复原IP地址|2|https://leetcode-cn.com/problems/restore-ip-addresses|
|41. 缺失的第一个正数|2|https://leetcode-cn.com/problems/first-missing-positive|
-|113. 路径总和 II|2|https://leetcode-cn.com/problems/path-sum-ii|
|300. 最长上升子序列|2|https://leetcode-cn.com/problems/longest-increasing-subsequence|
-|82. 删除排序链表中的重复元素 II|2|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
-|33. 搜索旋转排序数组|2|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
-|7. 整数反转|2|https://leetcode-cn.com/problems/reverse-integer|
+|9. 回文数|2|https://leetcode-cn.com/problems/palindrome-number|
|剑指 Offer 10- II. 青蛙跳台阶问题|2|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
-|剑指 Offer 62. 圆圈中最后剩下的数字|2|https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof|
-|54. 螺旋矩阵|2|https://leetcode-cn.com/problems/spiral-matrix|
-|补充题5. 手撕归并排序|2|https://leetcode-cn.com/problems/sort-an-array|
-|468. 验证IP地址|2|https://leetcode-cn.com/problems/validate-ip-address|
+|64. 最小路径和|2|https://leetcode-cn.com/problems/minimum-path-sum|
|687. 最长同值路径|2|https://leetcode-cn.com/problems/longest-univalue-path|
-|补充题8. 计算数组的小和|2|https://mp.weixin.qq.com/s/0ih4W6nawzFUPSj3GOnYTQ|
+|剑指 Offer 10- I. 斐波那契数列|2|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|179. 最大数|2|https://leetcode-cn.com/problems/largest-number|
-|83. 删除排序链表中的重复元素|2|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
-|3. 无重复字符的最长子串|2|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
+|162. 寻找峰值|2|https://leetcode-cn.com/problems/find-peak-element|
+|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|2|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
+|121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
+|125. 验证回文串|2|https://leetcode-cn.com/problems/valid-palindrome|
|6. Z 字形变换|2|https://leetcode-cn.com/problems/zigzag-conversion|
-|1143. 最长公共子序列|1|https://leetcode-cn.com/problems/longest-common-subsequence|
+|101. 对称二叉树|2|https://leetcode-cn.com/problems/symmetric-tree|
+|242. 有效的字母异位词|2|https://leetcode-cn.com/problems/valid-anagram|
+|剑指 Offer 15. 二进制中1的个数|2|https://leetcode-cn.com/problems/er-jin-zhi-zhong-1de-ge-shu-lcof|
+|120. 三角形最小路径和|2|https://leetcode-cn.com/problems/triangle|
+|283. 移动零|2|https://leetcode-cn.com/problems/move-zeroes|
+|118. 杨辉三角|2|https://leetcode-cn.com/problems/pascals-triangle|
|剑指 Offer 58 - I. 翻转单词顺序|1|https://leetcode-cn.com/problems/fan-zhuan-dan-ci-shun-xu-lcof|
|剑指 Offer 09. 用两个栈实现队列|1|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|387. 字符串中的第一个唯一字符|1|https://leetcode-cn.com/problems/first-unique-character-in-a-string|
|153. 寻找旋转排序数组中的最小值|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|55. 跳跃游戏|1|https://leetcode-cn.com/problems/jump-game|
-|124. 二叉树中的最大路径和|1|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|1245. 树的直径|1|https://leetcode-cn.com/problems/tree-diameter|
|1044. 最长重复子串|1|https://leetcode-cn.com/problems/longest-duplicate-substring|
|679. 24 点游戏|1|https://leetcode-cn.com/problems/24-game|
@@ -78,7 +98,7 @@
|43. 字符串相乘|1|https://leetcode-cn.com/problems/multiply-strings|
|105. 从前序与中序遍历序列构造二叉树|1|https://leetcode-cn.com/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|1|https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii|
-|补充题6. 手撕堆排序|1|sort-an-array|
+|补充题6. 手撕堆排序|1|https://leetcode-cn.com/problems/sort-an-array|
|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
|268. 缺失数字|1|https://leetcode-cn.com/problems/missing-number|
|26. 删除排序数组中的重复项|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
@@ -87,49 +107,53 @@
|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
|面试题 16.03. 交点|1|https://leetcode-cn.com/problems/intersection-lcci|
|108. 将有序数组转换为二叉搜索树|1|https://leetcode-cn.com/problems/convert-sorted-array-to-binary-search-tree|
-|9. 回文数|1|https://leetcode-cn.com/problems/palindrome-number|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
-|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
|450. 删除二叉搜索树中的节点|1|https://leetcode-cn.com/problems/delete-node-in-a-bst|
|剑指 Offer 14- I. 剪绳子|1|https://leetcode-cn.com/problems/jian-sheng-zi-lcof|
|203. 移除链表元素|1|https://leetcode-cn.com/problems/remove-linked-list-elements|
|227. 基本计算器 II|1|https://leetcode-cn.com/problems/basic-calculator-ii|
|31. 下一个排列|1|https://leetcode-cn.com/problems/next-permutation|
|剑指 Offer 58 - II. 左旋转字符串|1|https://leetcode-cn.com/problems/zuo-xuan-zhuan-zi-fu-chuan-lcof|
-|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
|617. 合并二叉树|1|https://leetcode-cn.com/problems/merge-two-binary-trees|
-|64. 最小路径和|1|https://leetcode-cn.com/problems/minimum-path-sum|
|1095. 山脉数组中查找目标值|1|https://leetcode-cn.com/problems/find-in-mountain-array|
|354. 俄罗斯套娃信封问题|1|https://leetcode-cn.com/problems/russian-doll-envelopes|
-|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|198. 打家劫舍|1|https://leetcode-cn.com/problems/house-robber|
|155. 最小栈|1|https://leetcode-cn.com/problems/min-stack|
|剑指 Offer 53 - I. 在排序数组中查找数字 I|1|https://leetcode-cn.com/problems/zai-pai-xu-shu-zu-zhong-cha-zhao-shu-zi-lcof|
|138. 复制带随机指针的链表|1|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
-|162. 寻找峰值|1|https://leetcode-cn.com/problems/find-peak-element|
|剑指 Offer 11. 旋转数组的最小数字|1|https://leetcode-cn.com/problems/xuan-zhuan-shu-zu-de-zui-xiao-shu-zi-lcof|
|137. 只出现一次的数字 II|1|https://leetcode-cn.com/problems/single-number-ii|
|518. 零钱兑换 II|1|https://leetcode-cn.com/problems/coin-change-2|
|59. 螺旋矩阵 II|1|https://leetcode-cn.com/problems/spiral-matrix-ii|
|4. 寻找两个正序数组的中位数|1|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
-|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|1|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
-|103. 二叉树的锯齿形层次遍历|1|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
-|121. 买卖股票的最佳时机|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|补充题20. 立方根|1||
|剑指 Offer 65. 不用加减乘除做加法|1|https://leetcode-cn.com/problems/bu-yong-jia-jian-cheng-chu-zuo-jia-fa-lcof|
-|125. 验证回文串|1|https://leetcode-cn.com/problems/valid-palindrome|
-|56. 合并区间|1|https://leetcode-cn.com/problems/merge-intervals|
|165. 比较版本号|1|https://leetcode-cn.com/problems/compare-version-numbers|
|123. 买卖股票的最佳时机 III|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iii|
-|46. 全排列|1|https://leetcode-cn.com/problems/permutations|
|136. 只出现一次的数字|1|https://leetcode-cn.com/problems/single-number|
-|101. 对称二叉树|1|https://leetcode-cn.com/problems/symmetric-tree|
|129. 求根到叶子节点数字之和|1|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|剑指 Offer 43. 1～n整数中1出现的次数|1|https://leetcode-cn.com/problems/1nzheng-shu-zhong-1chu-xian-de-ci-shu-lcof|
-|242. 有效的字母异位词|1|https://leetcode-cn.com/problems/valid-anagram|
|面试题 02.08. 环路检测|1|https://leetcode-cn.com/problems/linked-list-cycle-lcci|
-|剑指 Offer 15. 二进制中1的个数|1|https://leetcode-cn.com/problems/er-jin-zhi-zhong-1de-ge-shu-lcof|
|128. 最长连续序列|1|https://leetcode-cn.com/problems/longest-consecutive-sequence|
-|120. 三角形最小路径和|1|https://leetcode-cn.com/problems/triangle|
-|283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes|
\ No newline at end of file
+|47. 全排列 II|1|https://leetcode-cn.com/problems/permutations-ii|
+|61. 旋转链表|1|https://leetcode-cn.com/problems/rotate-list|
+|剑指 Offer 03. 数组中重复的数字|1|https://leetcode-cn.com/problems/shu-zu-zhong-zhong-fu-de-shu-zi-lcof|
+|剑指 Offer 29. 顺时针打印矩阵|1|https://leetcode-cn.com/problems/shun-shi-zhen-da-yin-ju-zhen-lcof|
+|面试题 02.01. 移除重复节点|1|https://leetcode-cn.com/problems/remove-duplicate-node-lcci|
+|面试题 02.02. 返回倒数第 k 个节点|1|https://leetcode-cn.com/problems/kth-node-from-end-of-list-lcci|
+|11. 盛最多水的容器|1|https://leetcode-cn.com/problems/container-with-most-water|
+|172. 阶乘后的零|1|https://leetcode-cn.com/problems/factorial-trailing-zeroes|
+|14. 最长公共前缀|1|https://leetcode-cn.com/problems/longest-common-prefix|
+|补充题21. 字符串相减|1|https://mp.weixin.qq.com/s/kCue4c0gnLSw0HosFl_t7w|
+|516. 最长回文子序列|1|https://leetcode-cn.com/problems/longest-palindromic-subsequence|
+|692. 前K个高频单词|1|https://leetcode-cn.com/problems/top-k-frequent-words|
+|91. 解码方法|1|https://leetcode-cn.com/problems/decode-ways|
+|面试题 02.05. 链表求和|1|https://leetcode-cn.com/problems/sum-lists-lcci|
+|面试题 03.05. 栈排序|1|https://leetcode-cn.com/problems/sort-of-stacks-lcci|
+|23. 合并K个排序链表|1|https://leetcode-cn.com/problems/merge-k-sorted-lists|
+|876. 链表的中间结点|1|https://leetcode-cn.com/problems/middle-of-the-linked-list|
+|145. 二叉树的后序遍历|1|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
+|622. 设计循环队列|1|https://leetcode-cn.com/problems/design-circular-queue|
+|343. 整数拆分|1|https://leetcode-cn.com/problems/integer-break|
+|112. 路径总和|1|https://leetcode-cn.com/problems/path-sum|
\ No newline at end of file
diff --git a/meituan/client.md b/meituan/client.md
index 8b2cdd6..ebbf92f 100644
--- a/meituan/client.md
+++ b/meituan/client.md
@@ -2,37 +2,42 @@
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
|题目|出现次数|链接|
|-|-|-|
+|补充题4. 手撕快速排序|4|https://leetcode-cn.com/problems/sort-an-array|
|142. 环形链表 II|4|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|剑指 Offer 10- I. 斐波那契数列|3|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
-|补充题4. 手撕快速排序|3|https://leetcode-cn.com/problems/sort-an-array|
+|155. 最小栈|3|https://leetcode-cn.com/problems/min-stack|
|206. 反转链表|3|https://leetcode-cn.com/problems/reverse-linked-list|
+|236. 二叉树的最近公共祖先|2|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|53. 最大子序和|2|https://leetcode-cn.com/problems/maximum-subarray|
-|54. 螺旋矩阵|2|https://leetcode-cn.com/problems/spiral-matrix|
+|69. x 的平方根|2|https://leetcode-cn.com/problems/sqrtx|
|141. 环形链表|2|https://leetcode-cn.com/problems/linked-list-cycle|
-|19. 删除链表的倒数第N个节点|2|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
-|155. 最小栈|2|https://leetcode-cn.com/problems/min-stack|
-|46. 全排列|2|https://leetcode-cn.com/problems/permutations|
-|236. 二叉树的最近公共祖先|2|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
+|232. 用栈实现队列|2|https://leetcode-cn.com/problems/implement-queue-using-stacks|
+|54. 螺旋矩阵|2|https://leetcode-cn.com/problems/spiral-matrix|
|剑指 Offer 52. 两个链表的第一个公共节点|2|https://leetcode-cn.com/problems/liang-ge-lian-biao-de-di-yi-ge-gong-gong-jie-dian-lcof|
-|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
+|46. 全排列|2|https://leetcode-cn.com/problems/permutations|
+|19. 删除链表的倒数第N个节点|2|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
+|86. 分隔链表|1|https://leetcode-cn.com/problems/partition-list|
+|48. 旋转图像|1|https://leetcode-cn.com/problems/rotate-image|
|312. 戳气球|1|https://leetcode-cn.com/problems/burst-balloons|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
-|468. 验证IP地址|1|https://leetcode-cn.com/problems/validate-ip-address|
+|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
|151. 翻转字符串里的单词|1|https://leetcode-cn.com/problems/reverse-words-in-a-string|
-|889. 根据前序和后序遍历构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal|
-|1143. 最长公共子序列|1|https://leetcode-cn.com/problems/longest-common-subsequence|
|78. 子集|1|https://leetcode-cn.com/problems/subsets|
|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
|234. 回文链表|1|https://leetcode-cn.com/problems/palindrome-linked-list|
-|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
+|1143. 最长公共子序列|1|https://leetcode-cn.com/problems/longest-common-subsequence|
+|83. 删除排序链表中的重复元素|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|876. 链表的中间结点|1|https://leetcode-cn.com/problems/middle-of-the-linked-list|
|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
+|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|1|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
+|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
|64. 最小路径和|1|https://leetcode-cn.com/problems/minimum-path-sum|
|补充题19. 判断一个点是否在三角形内|1|https://mp.weixin.qq.com/s/qnVUJq4lmnLsXJgyHCXngA|
|24. 两两交换链表中的节点|1|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|200. 岛屿数量|1|https://leetcode-cn.com/problems/number-of-islands|
+|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
|25. K 个一组翻转链表|1|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|7. 整数反转|1|https://leetcode-cn.com/problems/reverse-integer|
|225. 用队列实现栈|1|https://leetcode-cn.com/problems/implement-stack-using-queues|
@@ -44,13 +49,14 @@
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|559. N叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-n-ary-tree|
|剑指 Offer 40. 最小的k个数|1|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
-|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
-|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
+|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|4. 寻找两个正序数组的中位数|1|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|160. 相交链表|1|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
-|113. 路径总和 II|1|https://leetcode-cn.com/problems/path-sum-ii|
|34. 在排序数组中查找元素的第一个和最后一个位置|1|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|剑指 Offer 10- II. 青蛙跳台阶问题|1|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
-|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
-|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
\ No newline at end of file
+|113. 路径总和 II|1|https://leetcode-cn.com/problems/path-sum-ii|
+|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
+|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
+|889. 根据前序和后序遍历构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal|
+|468. 验证IP地址|1|https://leetcode-cn.com/problems/validate-ip-address|
\ No newline at end of file
diff --git a/meituan/data.md b/meituan/data.md
index 97a39fc..9b91902 100644
--- a/meituan/data.md
+++ b/meituan/data.md
@@ -3,17 +3,25 @@
|题目|出现次数|链接|
|-|-|-|
|补充题4. 手撕快速排序|3|https://leetcode-cn.com/problems/sort-an-array|
+|141. 环形链表|3|https://leetcode-cn.com/problems/linked-list-cycle|
+|704. 二分查找|2|https://leetcode-cn.com/problems/binary-search|
|215. 数组中的第K个最大元素|2|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|54. 螺旋矩阵|2|https://leetcode-cn.com/problems/spiral-matrix|
-|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
-|155. 最小栈|1|https://leetcode-cn.com/problems/min-stack|
-|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
-|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
-|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
-|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
-|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
-|剑指 Offer 51. 数组中的逆序对|1|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|120. 三角形最小路径和|1|https://leetcode-cn.com/problems/triangle|
-|剑指 Offer 27. 二叉树的镜像|1|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
+|151. 翻转字符串里的单词|1|https://leetcode-cn.com/problems/reverse-words-in-a-string|
+|1143. 最长公共子序列|1|https://leetcode-cn.com/problems/longest-common-subsequence|
+|26. 删除排序数组中的重复项|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
+|117. 填充每个节点的下一个右侧节点指针 II|1|https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii|
+|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
+|124. 二叉树中的最大路径和|1|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
+|153. 寻找旋转排序数组中的最小值|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|补充题5. 手撕归并排序|1|https://leetcode-cn.com/problems/sort-an-array|
-|153. 寻找旋转排序数组中的最小值|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
\ No newline at end of file
+|剑指 Offer 27. 二叉树的镜像|1|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
+|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
+|剑指 Offer 51. 数组中的逆序对|1|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
+|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
+|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
+|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
+|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
+|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
+|155. 最小栈|1|https://leetcode-cn.com/problems/min-stack|
\ No newline at end of file
diff --git a/meituan/frontend.md b/meituan/frontend.md
index 59cffee..72a0c51 100644
--- a/meituan/frontend.md
+++ b/meituan/frontend.md
@@ -2,42 +2,48 @@
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
|题目|出现次数|链接|
|-|-|-|
-|70. 爬楼梯|3|https://leetcode-cn.com/problems/climbing-stairs|
-|补充题4. 手撕快速排序|3|https://leetcode-cn.com/problems/sort-an-array|
-|剑指 Offer 10- I. 斐波那契数列|3|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
-|88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array|
-|48. 旋转图像|2|https://leetcode-cn.com/problems/rotate-image|
+|补充题4. 手撕快速排序|7|https://leetcode-cn.com/problems/sort-an-array|
+|70. 爬楼梯|4|https://leetcode-cn.com/problems/climbing-stairs|
+|88. 合并两个有序数组|4|https://leetcode-cn.com/problems/merge-sorted-array|
+|剑指 Offer 10- I. 斐波那契数列|4|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
+|104. 二叉树的最大深度|3|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
+|300. 最长上升子序列|3|https://leetcode-cn.com/problems/longest-increasing-subsequence|
+|20. 有效的括号|2|https://leetcode-cn.com/problems/valid-parentheses|
+|415. 字符串相加|2|https://leetcode-cn.com/problems/add-strings|
+|46. 全排列|2|https://leetcode-cn.com/problems/permutations|
+|1047. 删除字符串中的所有相邻重复项|2|https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string|
+|498. 对角线遍历|2|https://leetcode-cn.com/problems/diagonal-traverse|
|322. 零钱兑换|2|https://leetcode-cn.com/problems/coin-change|
+|48. 旋转图像|2|https://leetcode-cn.com/problems/rotate-image|
|136. 只出现一次的数字|2|https://leetcode-cn.com/problems/single-number|
-|415. 字符串相加|2|https://leetcode-cn.com/problems/add-strings|
-|104. 二叉树的最大深度|2|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
-|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
-|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
-|283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes|
-|1518. 换酒问题|1|https://leetcode-cn.com/problems/water-bottles|
-|78. 子集|1|https://leetcode-cn.com/problems/subsets|
-|补充题19. 判断一个点是否在三角形内|1|https://mp.weixin.qq.com/s/qnVUJq4lmnLsXJgyHCXngA|
-|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
+|54. 螺旋矩阵|1|https://leetcode-cn.com/problems/spiral-matrix|
|141. 环形链表|1|https://leetcode-cn.com/problems/linked-list-cycle|
|654. 最大二叉树|1|https://leetcode-cn.com/problems/maximum-binary-tree|
+|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|557. 反转字符串中的单词 III|1|https://leetcode-cn.com/problems/reverse-words-in-a-string-iii|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
-|54. 螺旋矩阵|1|https://leetcode-cn.com/problems/spiral-matrix|
+|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
-|498. 对角线遍历|1|https://leetcode-cn.com/problems/diagonal-traverse|
-|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
-|59. 螺旋矩阵 II|1|https://leetcode-cn.com/problems/spiral-matrix-ii|
+|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
+|64. 最小路径和|1|https://leetcode-cn.com/problems/minimum-path-sum|
+|补充题5. 手撕归并排序|1|https://leetcode-cn.com/problems/sort-an-array|
+|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
|172. 阶乘后的零|1|https://leetcode-cn.com/problems/factorial-trailing-zeroes|
-|1. 两数之和|1|https://leetcode-cn.com/problems/two-sum|
|105. 从前序与中序遍历序列构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
-|260. 只出现一次的数字 III|1|https://leetcode-cn.com/problems/single-number-iii|
-|46. 全排列|1|https://leetcode-cn.com/problems/permutations|
-|1047. 删除字符串中的所有相邻重复项|1|https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string|
-|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
-|14. 最长公共前缀|1|https://leetcode-cn.com/problems/longest-common-prefix|
-|384. 打乱数组|1|https://leetcode-cn.com/problems/shuffle-an-array|
-|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
-|6. Z 字形变换|1|https://leetcode-cn.com/problems/zigzag-conversion|
+|剑指 Offer 48. 最长不含重复字符的子字符串|1|https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof|
|剑指 Offer 10- II. 青蛙跳台阶问题|1|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
-|剑指 Offer 48. 最长不含重复字符的子字符串|1|https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof|
\ No newline at end of file
+|6. Z 字形变换|1|https://leetcode-cn.com/problems/zigzag-conversion|
+|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
+|384. 打乱数组|1|https://leetcode-cn.com/problems/shuffle-an-array|
+|14. 最长公共前缀|1|https://leetcode-cn.com/problems/longest-common-prefix|
+|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
+|260. 只出现一次的数字 III|1|https://leetcode-cn.com/problems/single-number-iii|
+|补充题19. 判断一个点是否在三角形内|1|https://mp.weixin.qq.com/s/qnVUJq4lmnLsXJgyHCXngA|
+|1. 两数之和|1|https://leetcode-cn.com/problems/two-sum|
+|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
+|59. 螺旋矩阵 II|1|https://leetcode-cn.com/problems/spiral-matrix-ii|
+|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
+|283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes|
+|1518. 换酒问题|1|https://leetcode-cn.com/problems/water-bottles|
+|78. 子集|1|https://leetcode-cn.com/problems/subsets|
\ No newline at end of file
diff --git a/meituan/test.md b/meituan/test.md
index 93b85c5..8e11c0d 100644
--- a/meituan/test.md
+++ b/meituan/test.md
@@ -2,44 +2,50 @@
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
|题目|出现次数|链接|
|-|-|-|
-|3. 无重复字符的最长子串|6|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
+|3. 无重复字符的最长子串|8|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
+|1. 两数之和|7|https://leetcode-cn.com/problems/two-sum|
+|704. 二分查找|6|https://leetcode-cn.com/problems/binary-search|
+|20. 有效的括号|6|https://leetcode-cn.com/problems/valid-parentheses|
+|232. 用栈实现队列|5|https://leetcode-cn.com/problems/implement-queue-using-stacks|
+|141. 环形链表|4|https://leetcode-cn.com/problems/linked-list-cycle|
+|14. 最长公共前缀|4|https://leetcode-cn.com/problems/longest-common-prefix|
+|46. 全排列|4|https://leetcode-cn.com/problems/permutations|
+|7. 整数反转|4|https://leetcode-cn.com/problems/reverse-integer|
+|53. 最大子序和|4|https://leetcode-cn.com/problems/maximum-subarray|
+|136. 只出现一次的数字|4|https://leetcode-cn.com/problems/single-number|
|242. 有效的字母异位词|4|https://leetcode-cn.com/problems/valid-anagram|
-|232. 用栈实现队列|4|https://leetcode-cn.com/problems/implement-queue-using-stacks|
-|704. 二分查找|4|https://leetcode-cn.com/problems/binary-search|
|8. 字符串转换整数 (atoi)|4|https://leetcode-cn.com/problems/string-to-integer-atoi|
-|46. 全排列|4|https://leetcode-cn.com/problems/permutations|
-|53. 最大子序和|3|https://leetcode-cn.com/problems/maximum-subarray|
-|补充题4. 手撕快速排序|3|https://leetcode-cn.com/problems/sort-an-array|
-|1. 两数之和|3|https://leetcode-cn.com/problems/two-sum|
-|20. 有效的括号|3|https://leetcode-cn.com/problems/valid-parentheses|
-|7. 整数反转|3|https://leetcode-cn.com/problems/reverse-integer|
-|剑指 Offer 53 - I. 在排序数组中查找数字 I|3|https://leetcode-cn.com/problems/zai-pai-xu-shu-zu-zhong-cha-zhao-shu-zi-lcof|
-|136. 只出现一次的数字|3|https://leetcode-cn.com/problems/single-number|
+|151. 翻转字符串里的单词|3|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|468. 验证IP地址|3|https://leetcode-cn.com/problems/validate-ip-address|
-|718. 最长重复子数组|2|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
-|141. 环形链表|2|https://leetcode-cn.com/problems/linked-list-cycle|
+|补充题14. 阿拉伯数字转中文数字|3||
+|剑指 Offer 53 - I. 在排序数组中查找数字 I|3|https://leetcode-cn.com/problems/zai-pai-xu-shu-zu-zhong-cha-zhao-shu-zi-lcof|
+|169. 多数元素|3|https://leetcode-cn.com/problems/majority-element|
+|补充题4. 手撕快速排序|3|https://leetcode-cn.com/problems/sort-an-array|
+|128. 最长连续序列|2|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|83. 删除排序链表中的重复元素|2|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
+|21. 合并两个有序链表|2|https://leetcode-cn.com/problems/merge-two-sorted-lists|
+|88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array|
|226. 翻转二叉树|2|https://leetcode-cn.com/problems/invert-binary-tree|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|2|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
+|718. 最长重复子数组|2|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
+|76. 最小覆盖子串|2|https://leetcode-cn.com/problems/minimum-window-substring|
|239. 滑动窗口最大值|2|https://leetcode-cn.com/problems/sliding-window-maximum|
-|21. 合并两个有序链表|2|https://leetcode-cn.com/problems/merge-two-sorted-lists|
-|151. 翻转字符串里的单词|2|https://leetcode-cn.com/problems/reverse-words-in-a-string|
-|165. 比较版本号|2|https://leetcode-cn.com/problems/compare-version-numbers|
|剑指 Offer 57 - II. 和为s的连续正数序列|2|https://leetcode-cn.com/problems/he-wei-sde-lian-xu-zheng-shu-xu-lie-lcof|
-|补充题14. 阿拉伯数字转中文数字|2||
-|128. 最长连续序列|2|https://leetcode-cn.com/problems/longest-consecutive-sequence|
-|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
-|剑指 Offer 61. 扑克牌中的顺子|1|https://leetcode-cn.com/problems/bu-ke-pai-zhong-de-shun-zi-lcof|
-|76. 最小覆盖子串|1|https://leetcode-cn.com/problems/minimum-window-substring|
+|165. 比较版本号|2|https://leetcode-cn.com/problems/compare-version-numbers|
+|153. 寻找旋转排序数组中的最小值|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|876. 链表的中间结点|1|https://leetcode-cn.com/problems/middle-of-the-linked-list|
-|14. 最长公共前缀|1|https://leetcode-cn.com/problems/longest-common-prefix|
-|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
+|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
|796. 旋转字符串|1|https://leetcode-cn.com/problems/rotate-string|
|72. 编辑距离|1|https://leetcode-cn.com/problems/edit-distance|
|460. LFU缓存|1|https://leetcode-cn.com/problems/lfu-cache|
|106. 从中序与后序遍历序列构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal|
-|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
+|231. 2的幂|1|https://leetcode-cn.com/problems/power-of-two|
|415. 字符串相加|1|https://leetcode-cn.com/problems/add-strings|
+|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
+|40. 组合总和 II|1|https://leetcode-cn.com/problems/combination-sum-ii|
+|628. 三个数的最大乘积|1|https://leetcode-cn.com/problems/maximum-product-of-three-numbers|
+|215. 数组中的第K个最大元素|1|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
+|剑指 Offer 61. 扑克牌中的顺子|1|https://leetcode-cn.com/problems/bu-ke-pai-zhong-de-shun-zi-lcof|
|剑指 Offer 45. 把数组排成最小的数|1|https://leetcode-cn.com/problems/ba-shu-zu-pai-cheng-zui-xiao-de-shu-lcof|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|23. 合并K个排序链表|1|https://leetcode-cn.com/problems/merge-k-sorted-lists|
@@ -47,7 +53,6 @@
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|26. 删除排序数组中的重复项|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
|283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes|
-|88. 合并两个有序数组|1|https://leetcode-cn.com/problems/merge-sorted-array|
|34. 在排序数组中查找元素的第一个和最后一个位置|1|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|125. 验证回文串|1|https://leetcode-cn.com/problems/valid-palindrome|
|28. 实现 strStr()|1|https://leetcode-cn.com/problems/implement-strstr|