diff --git a/README.md b/README.md
index 969e0ee..54cfbcc 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,19 @@
## 微软（更新至牛客11.23日的面经）
- [SDE](https://github.com/afatcoder/LeetcodeTop/blob/master/microsoft/SDE.md)
+## 快手（更新至牛客9.30日的面经）
+
+按岗位分类
+
+[9.1~9.31新增题目](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/latest.md)
+- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/backend.md)
+- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/algorithm.md)
+- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/client.md)
+- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/frontend.md)
+- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/test.md)
+- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/data.md)
+
+
## 猿辅导（更新至牛客8.31日的面经）
按岗位分类
@@ -52,17 +65,6 @@
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/test.md)
-## 快手（更新至牛客8.12日的面经）
-
-按岗位分类
-
-- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/backend.md)
-- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/algorithm.md)
-- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/client.md)
-- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/frontend.md)
-- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/test.md)
-- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/data.md)
-
## 阿里巴巴
diff --git a/kuaishou/algorithm.md b/kuaishou/algorithm.md
index 67683cc..bb1118e 100644
--- a/kuaishou/algorithm.md
+++ b/kuaishou/algorithm.md
@@ -1,8 +1,17 @@
-| 公司 | 岗位 | 题目 | 频度 |
-|----|----|------------------|-------|
-| 快手 | 算法 | 23. 合并K个排序链表 | 1 |
-| 快手 | 算法 | 199. 二叉树的右视图 | 1 |
-| 快手 | 算法 | 300. 最长上升子序列 | 1（+1） |
-| 快手 | 算法 | 103. 二叉树的锯齿形层次遍历 | 1（+1） |
-| 快手 | 算法 | 322. 零钱兑换 | 1（+1） |
-| 快手 | 算法 | 206. 反转链表 | 1（+1） |
+算法
+|题目|出现次数|链接|
+|-|-|-|
+|23. 合并K个排序链表|2|https://leetcode-cn.com/problems/merge-k-sorted-lists|
+|206. 反转链表|2|https://leetcode-cn.com/problems/reverse-linked-list|
+|103. 二叉树的锯齿形层次遍历|2|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
+|202. 快乐数|1|https://leetcode-cn.com/problems/happy-number|
+|268. 缺失数字|1|https://leetcode-cn.com/problems/missing-number|
+|补充题4. 手撕快速排序|1||
+|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
+|322. 零钱兑换|1|https://leetcode-cn.com/problems/coin-change|
+|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
+|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
+|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
+|72. 编辑距离|1|https://leetcode-cn.com/problems/edit-distance|
+|46. 全排列|1|https://leetcode-cn.com/problems/permutations|
+|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
diff --git a/kuaishou/backend.md b/kuaishou/backend.md
index 8b474f9..5025b12 100644
--- a/kuaishou/backend.md
+++ b/kuaishou/backend.md
@@ -1,73 +1,123 @@
-| 公司 | 岗位 | 算法题 | 频度 |
-|----|----|----------------------------------|-------|
-| 快手 | 后端 | 206. 反转链表 | 7（+1） |
-| 快手 | 后端 | 146. LRU缓存机制 | 6（+5） |
-| 快手 | 后端 | 215. 数组中的第K个最大元素 | 5（+3） |
-| 快手 | 后端 | 92. 反转链表 II | 4 |
-| 快手 | 后端 | 136. 只出现一次的数字 | 4（+3） |
-| 快手 | 后端 | 128. 最长连续序列 | 3 |
-| 快手 | 后端 | 剑指 Offer 10- II. 青蛙跳台阶问题 | 3 |
-| 快手 | 后端 | 3. 无重复字符的最长子串 | 3（+2） |
-| 快手 | 后端 | 151. 翻转字符串里的单词 | 3（+3） |
-| 快手 | 后端 | 103. 二叉树的锯齿形层次遍历 | 3（+3） |
-| 快手 | 后端 | 15. 三数之和 | 2（+） |
-| 快手 | 后端 | 剑指 Offer 55 - I. 二叉树的深度 | 2 |
-| 快手 | 后端 | 20. 有效的括号 | 2 |
-| 快手 | 后端 | 33. 搜索旋转排序数组 | 2（+1） |
-| 快手 | 后端 | 21. 合并两个有序链表 | 2 |
-| 快手 | 后端 | 剑指 Offer 22. 链表中倒数第k个节点 | 2 |
-| 快手 | 后端 | 剑指 Offer 21. 调整数组顺序使奇数位于偶数前面 | 2 |
-| 快手 | 后端 | 剑指 Offer 18. 删除链表的节点 | 2（+2） |
-| 快手 | 后端 | 141. 环形链表 | 2 |
-| 快手 | 后端 | 88. 合并两个有序数组 | 2（+1） |
-| 快手 | 后端 | 204. 计数质数 | 1 |
-| 快手 | 后端 | 470. 用 Rand7() 实现 Rand10() | 1 |
-| 快手 | 后端 | 54. 螺旋矩阵 | 1 |
-| 快手 | 后端 | 199. 二叉树的右视图 | 1 |
-| 快手 | 后端 | 207. 课程表 | 1 |
-| 快手 | 后端 | 210. 课程表 II | 1 |
-| 快手 | 后端 | 543. 二叉树的直径 | 1 |
-| 快手 | 后端 | 剑指 Offer 12. 矩阵中的路径 | 1 |
-| 快手 | 后端 | 105. 从前序与中序遍历序列构造二叉树 | 1 |
-| 快手 | 后端 | 剑指 Offer 42. 连续子数组的最大和 | 1 |
-| 快手 | 后端 | 83. 删除排序链表中的重复元素 | 1 |
-| 快手 | 后端 | 34. 在排序数组中查找元素的第一个和最后一个位置 | 1 |
-| 快手 | 后端 | 剑指 Offer 24. 反转链表 | 1 |
-| 快手 | 后端 | 2. 两数相加 | 1 |
-| 快手 | 后端 | 1312. 让字符串成为回文串的最少插入次数 | 1 |
-| 快手 | 后端 | 1156. 单字符重复子串的最大长度 | 1 |
-| 快手 | 后端 | 150. 逆波兰表达式求值 | 1 |
-| 快手 | 后端 | 220. 存在重复元素 III | 1 |
-| 快手 | 后端 | 104. 二叉树的最大深度 | 1 |
-| 快手 | 后端 | 426. 将二叉搜索树转换成排序的双向链表 | 1 |
-| 快手 | 后端 | 剑指 Offer 09. 用两个栈实现队列 | 1 |
-| 快手 | 后端 | 22. 括号生成 | 1 |
-| 快手 | 后端 | 321. 拼接最大数 | 1 |
-| 快手 | 后端 | 24. 两两交换链表中的节点 | 1 |
-| 快手 | 后端 | 189. 旋转数组 | 1 |
-| 快手 | 后端 | 剑指 Offer 43. 1～n整数中1出现的次数 | 1 |
-| 快手 | 后端 | 137. 只出现一次的数字 II | 1 |
-| 快手 | 后端 | 572. 另一个树的子树 | 1 |
-| 快手 | 后端 | 1464. 数组中两元素的最大乘积 | 1 |
-| 快手 | 后端 | 剑指 Offer 10- I. 斐波那契数列 | 1 |
-| 快手 | 后端 | 509. 斐波那契数 | 1 |
-| 快手 | 后端 | 468. 验证IP地址 | 1 |
-| 快手 | 后端 | 剑指 Offer 32 - III. 从上到下打印二叉树 III | 1 |
-| 快手 | 后端 | 剑指 Offer 25. 合并两个排序的链表 | 1 |
-| 快手 | 后端 | 236. 二叉树的最近公共祖先 | 1 |
-| 快手 | 后端 | 43. 字符串相乘 | 1（+1） |
-| 快手 | 后端 | 40. 组合总和 II | 1（+1） |
-| 快手 | 后端 | 面试题 08.11. 硬币 | 1 |
-| 快手 | 后端 | 94. 二叉树的中序遍历 | 1 |
-| 快手 | 后端 | 剑指 Offer 36. 二叉搜索树与双向链表 | 1（+1） |
-| 快手 | 后端 | 48. 旋转图像 | 1（+1） |
-| 快手 | 后端 | 142. 环形链表 II | 1（+1） |
-| 快手 | 后端 | 235. 二叉搜索树的最近公共祖先 | 1 |
-| 快手 | 后端 | 169. 多数元素 | 1 |
-| 快手 | 后端 | 226. 翻转二叉树 | 1 |
-| 快手 | 后端 | 16. 最接近的三数之和 | 1 |
-| 快手 | 后端 | 剑指 Offer 51. 数组中的逆序对 | 1 |
-| 快手 | 后端 | 9. 回文数 | 1 |
-| 快手 | 后端 | 1. 两数之和 | 1 |
-| 快手 | 后端 | 111. 二叉树的最小深度 | 1 |
-| 快手 | 后端 | 144. 二叉树的前序遍历 | 1 |
+后端
+|题目|出现次数|链接|
+|-|-|-|
+|206. 反转链表|13|https://leetcode-cn.com/problems/reverse-linked-list|
+|146. LRU缓存机制|7|https://leetcode-cn.com/problems/lru-cache|
+|151. 翻转字符串里的单词|5|https://leetcode-cn.com/problems/reverse-words-in-a-string|
+|215. 数组中的第K个最大元素|5|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
+|21. 合并两个有序链表|5|https://leetcode-cn.com/problems/merge-two-sorted-lists|
+|88. 合并两个有序数组|4|https://leetcode-cn.com/problems/merge-sorted-array|
+|3. 无重复字符的最长子串|4|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
+|136. 只出现一次的数字|4|https://leetcode-cn.com/problems/single-number|
+|92. 反转链表 II|4|https://leetcode-cn.com/problems/reverse-linked-list-ii|
+|103. 二叉树的锯齿形层次遍历|3|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
+|剑指 Offer 51. 数组中的逆序对|3|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
+|415. 字符串相加|3|https://leetcode-cn.com/problems/add-strings|
+|2. 两数相加|3|https://leetcode-cn.com/problems/add-two-numbers|
+|补充题4. 手撕快速排序|3||
+|剑指 Offer 10- II. 青蛙跳台阶问题|3|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
+|141. 环形链表|3|https://leetcode-cn.com/problems/linked-list-cycle|
+|148. 排序链表|3|https://leetcode-cn.com/problems/sort-list|
+|34. 在排序数组中查找元素的第一个和最后一个位置|3|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
+|剑指 Offer 22. 链表中倒数第k个节点|3|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
+|补充题5. 手撕归并排序|3||
+|128. 最长连续序列|3|https://leetcode-cn.com/problems/longest-consecutive-sequence|
+|78. 子集|2|https://leetcode-cn.com/problems/subsets|
+|102. 二叉树的层序遍历|2|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
+|24. 两两交换链表中的节点|2|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
+|160. 相交链表|2|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
+|23. 合并K个排序链表|2|https://leetcode-cn.com/problems/merge-k-sorted-lists|
+|155. 最小栈|2|https://leetcode-cn.com/problems/min-stack|
+|33. 搜索旋转排序数组|2|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
+|142. 环形链表 II|2|https://leetcode-cn.com/problems/linked-list-cycle-ii|
+|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|
+|144. 二叉树的前序遍历|2|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
+|845. 数组中的最长山脉|2|https://leetcode-cn.com/problems/longest-mountain-in-array|
+|104. 二叉树的最大深度|2|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
+|1143. 最长公共子序列|2|https://leetcode-cn.com/problems/longest-common-subsequence|
+|15. 三数之和|2|https://leetcode-cn.com/problems/3sum|
+|226. 翻转二叉树|2|https://leetcode-cn.com/problems/invert-binary-tree|
+|543. 二叉树的直径|2|https://leetcode-cn.com/problems/diameter-of-binary-tree|
+|剑指 Offer 18. 删除链表的节点|2|https://leetcode-cn.com/problems/shan-chu-lian-biao-de-jie-dian-lcof|
+|509. 斐波那契数|2|https://leetcode-cn.com/problems/fibonacci-number|
+|补充题7. 最长公共子串|2||
+|43. 字符串相乘|2|https://leetcode-cn.com/problems/multiply-strings|
+|121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
+|20. 有效的括号|2|https://leetcode-cn.com/problems/valid-parentheses|
+|剑指 Offer 55 - I. 二叉树的深度|2|https://leetcode-cn.com/problems/er-cha-shu-de-shen-du-lcof|
+|25. K 个一组翻转链表|1|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
+|207. 课程表|1|https://leetcode-cn.com/problems/course-schedule|
+|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
+|1156. 单字符重复子串的最大长度|1|https://leetcode-cn.com/problems/swap-for-longest-repeated-character-substring|
+|6. Z 字形变换|1|https://leetcode-cn.com/problems/zigzag-conversion|
+|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|
+|9. 回文数|1|https://leetcode-cn.com/problems/palindrome-number|
+|122. 买卖股票的最佳时机 II|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
+|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
+|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
+|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|
+|1464. 数组中两元素的最大乘积|1|https://leetcode-cn.com/problems/maximum-product-of-two-elements-in-an-array|
+|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
+|204. 计数质数|1|https://leetcode-cn.com/problems/count-primes|
+|238. 除自身以外数组的乘积|1|https://leetcode-cn.com/problems/product-of-array-except-self|
+|83. 删除排序链表中的重复元素|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
+|剑指 Offer 25. 合并两个排序的链表|1|https://leetcode-cn.com/problems/he-bing-liang-ge-pai-xu-de-lian-biao-lcof|
+|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
+|129. 求根到叶子节点数字之和|1|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
+|1312. 让字符串成为回文串的最少插入次数|1|https://leetcode-cn.com/problems/minimum-insertion-steps-to-make-a-string-palindrome|
+|101. 对称二叉树|1|https://leetcode-cn.com/problems/symmetric-tree|
+|189. 旋转数组|1|https://leetcode-cn.com/problems/rotate-array|
+|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
+|76. 最小覆盖子串|1|https://leetcode-cn.com/problems/minimum-window-substring|
+|208. 实现 Trie (前缀树)|1|https://leetcode-cn.com/problems/implement-trie-prefix-tree|
+|426. 将二叉搜索树转化为排序的双向链表|1|https://leetcode-cn.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list|
+|572. 另一个树的子树|1|https://leetcode-cn.com/problems/subtree-of-another-tree|
+|46. 全排列|1|https://leetcode-cn.com/problems/permutations|
+|剑指 Offer 42. 连续子数组的最大和|1|https://leetcode-cn.com/problems/lian-xu-zi-shu-zu-de-zui-da-he-lcof|
+|318. 最大单词长度乘积|1|https://leetcode-cn.com/problems/maximum-product-of-word-lengths|
+|剑指 Offer 32 - III. 从上到下打印二叉树 III|1|https://leetcode-cn.com/problems/cong-shang-dao-xia-da-yin-er-cha-shu-iii-lcof|
+|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
+|54. 螺旋矩阵|1|https://leetcode-cn.com/problems/spiral-matrix|
+|8. 字符串转换整数 (atoi)|1|https://leetcode-cn.com/problems/string-to-integer-atoi|
+|67. 二进制求和|1|https://leetcode-cn.com/problems/add-binary|
+|540. 有序数组中的单一元素|1|https://leetcode-cn.com/problems/single-element-in-a-sorted-array|
+|16. 最接近的三数之和|1|https://leetcode-cn.com/problems/3sum-closest|
+|145. 二叉树的后序遍历|1|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
+|剑指 Offer 12. 矩阵中的路径|1|https://leetcode-cn.com/problems/ju-zhen-zhong-de-lu-jing-lcof|
+|40. 组合总和 II|1|https://leetcode-cn.com/problems/combination-sum-ii|
+|337. 打家劫舍 III|1|https://leetcode-cn.com/problems/house-robber-iii|
+|191. 位1的个数|1|https://leetcode-cn.com/problems/number-of-1-bits|
+|321. 拼接最大数|1|https://leetcode-cn.com/problems/create-maximum-number|
+|468. 验证IP地址|1|https://leetcode-cn.com/problems/validate-ip-address|
+|48. 旋转图像|1|https://leetcode-cn.com/problems/rotate-image|
+|470. 用 Rand7() 实现 Rand10()|1|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
+|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
+|剑指 Offer 24. 反转链表|1|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
+|224. 基本计算器|1|https://leetcode-cn.com/problems/basic-calculator|
+|322. 零钱兑换|1|https://leetcode-cn.com/problems/coin-change|
+|110. 平衡二叉树|1|https://leetcode-cn.com/problems/balanced-binary-tree|
+|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|
+|220. 存在重复元素 III|1|https://leetcode-cn.com/problems/contains-duplicate-iii|
+|111. 二叉树的最小深度|1|https://leetcode-cn.com/problems/minimum-depth-of-binary-tree|
+|113. 路径总和 II|1|https://leetcode-cn.com/problems/path-sum-ii|
+|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
+|82. 删除排序链表中的重复元素 II|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
+|22. 括号生成|1|https://leetcode-cn.com/problems/generate-parentheses|
+|剑指 Offer 36. 二叉搜索树与双向链表|1|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
+|59. 螺旋矩阵 II|1|https://leetcode-cn.com/problems/spiral-matrix-ii|
+|93. 复原IP地址|1|https://leetcode-cn.com/problems/restore-ip-addresses|
+|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
+|75. 颜色分类|1|https://leetcode-cn.com/problems/sort-colors|
+|210. 课程表 II|1|https://leetcode-cn.com/problems/course-schedule-ii|
+|64. 最小路径和|1|https://leetcode-cn.com/problems/minimum-path-sum|
+|150. 逆波兰表达式求值|1|https://leetcode-cn.com/problems/evaluate-reverse-polish-notation|
+|137. 只出现一次的数字 II|1|https://leetcode-cn.com/problems/single-number-ii|
+|1. 两数之和|1|https://leetcode-cn.com/problems/two-sum|
+|面试题 16.06. 最小差|1|https://leetcode-cn.com/problems/smallest-difference-lcci|
+|1493. 删掉一个元素以后全为 1 的最长子数组|1|https://leetcode-cn.com/problems/longest-subarray-of-1s-after-deleting-one-element|
+|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
+|94. 二叉树的中序遍历|1|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
+|498. 对角线遍历|1|https://leetcode-cn.com/problems/diagonal-traverse|
+|958. 二叉树的完全性检验|1|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
+|236. 二叉树的最近公共祖先|1|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
+|235. 二叉搜索树的最近公共祖先|1|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-search-tree|
\ No newline at end of file
diff --git a/kuaishou/client.md b/kuaishou/client.md
index 5ace3ff..3eb28c9 100644
--- a/kuaishou/client.md
+++ b/kuaishou/client.md
@@ -1,10 +1,39 @@
-| 公司 | 岗位 | 题目 | 频次 |
-|----|-----|---------------------------|----|
-| 快手 | 客户端 | 206\. 反转链表 | 2 |
-| 快手 | 客户端 | 剑指 Offer 64\. 求1\+2\+…\+n | 1 |
-| 快手 | 客户端 | 144\. 二叉树的前序遍历 | 1 |
-| 快手 | 客户端 | 11\. 盛最多水的容器 | 1 |
-| 快手 | 客户端 | 21\. 合并两个有序链表 | 1 |
-| 快手 | 客户端 | 142\. 环形链表 II | 1 |
-| 快手 | 客户端 | 剑指 Offer 24\. 反转链表 | 1 |
-| 快手 | 客户端 | 69. x 的平方根 | 1（+1） |
+客户端
+|题目|出现次数|链接|
+|-|-|-|
+|206. 反转链表|6|https://leetcode-cn.com/problems/reverse-linked-list|
+|142. 环形链表 II|3|https://leetcode-cn.com/problems/linked-list-cycle-ii|
+|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|
+|102. 二叉树的层序遍历|2|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
+|704. 二分查找|2|https://leetcode-cn.com/problems/binary-search|
+|21. 合并两个有序链表|2|https://leetcode-cn.com/problems/merge-two-sorted-lists|
+|78. 子集|2|https://leetcode-cn.com/problems/subsets|
+|103. 二叉树的锯齿形层次遍历|2|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
+|144. 二叉树的前序遍历|2|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
+|110. 平衡二叉树|2|https://leetcode-cn.com/problems/balanced-binary-tree|
+|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
+|补充题7. 最长公共子串|1||
+|24. 两两交换链表中的节点|1|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
+|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
+|剑指 Offer 64. 求1+2+…+n|1|https://leetcode-cn.com/problems/qiu-12n-lcof|
+|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
+|剑指 Offer 24. 反转链表|1|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
+|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
+|919. 完全二叉树插入器|1|https://leetcode-cn.com/problems/complete-binary-tree-inserter|
+|19. 删除链表的倒数第N个节点|1|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
+|109. 有序链表转换二叉搜索树|1|https://leetcode-cn.com/problems/convert-sorted-list-to-binary-search-tree|
+|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
+|补充题4. 手撕快速排序|1||
+|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
+|121. 买卖股票的最佳时机|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
+|1. 两数之和|1|https://leetcode-cn.com/problems/two-sum|
+|415. 字符串相加|1|https://leetcode-cn.com/problems/add-strings|
+|200. 岛屿数量|1|https://leetcode-cn.com/problems/number-of-islands|
+|3. 无重复字符的最长子串|1|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
+|11. 盛最多水的容器|1|https://leetcode-cn.com/problems/container-with-most-water|
+|167. 两数之和 II - 输入有序数组|1|https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted|
+|470. 用 Rand7() 实现 Rand10()|1|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
+|189. 旋转数组|1|https://leetcode-cn.com/problems/rotate-array|
+|459. 重复的子字符串|1|https://leetcode-cn.com/problems/repeated-substring-pattern|
+|129. 求根到叶子节点数字之和|1|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
+|312. 戳气球|1|https://leetcode-cn.com/problems/burst-balloons|
\ No newline at end of file
diff --git a/kuaishou/data.md b/kuaishou/data.md
index 9d3f724..c228716 100644
--- a/kuaishou/data.md
+++ b/kuaishou/data.md
@@ -1,3 +1,13 @@
-| 公司 | 岗位 | 题目 | 频次 |
-|----|----|------------------------|----|
-| 快手 | 数据 | 剑指 Offer 09\. 用两个栈实现队列 | 1 |
+数据研发
+|题目|出现次数|链接|
+|-|-|-|
+|145. 二叉树的后序遍历|1|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
+|剑指 Offer 24. 反转链表|1|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
+|144. 二叉树的前序遍历|1|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
+|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|
+|112. 路径总和|1|https://leetcode-cn.com/problems/path-sum|
+|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
+|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
+|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|
+|35. 搜索插入位置|1|https://leetcode-cn.com/problems/search-insert-position|
+|93. 复原IP地址|1|https://leetcode-cn.com/problems/restore-ip-addresses|
\ No newline at end of file
diff --git a/kuaishou/frontend.md b/kuaishou/frontend.md
index 0915862..7d7be54 100644
--- a/kuaishou/frontend.md
+++ b/kuaishou/frontend.md
@@ -1,6 +1,9 @@
-| 公司 | 岗位 | 题目 | 频次 |
-|----|----|--------------------------|----|
-| 快手 | 前端 | 169\. 多数元素 | 1 |
-| 快手 | 前端 | 剑指 Offer 10\- I\. 斐波那契数列 | 1 |
-| 快手 | 前端 | 509\. 斐波那契数 | 1 |
-| 快手 | 前端 | 704\. 二分查找 | 1 |
+前端
+|题目|出现次数|链接|
+|-|-|-|
+|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
+|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
+|110. 平衡二叉树|1|https://leetcode-cn.com/problems/balanced-binary-tree|
+|88. 合并两个有序数组|1|https://leetcode-cn.com/problems/merge-sorted-array|
+|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
+|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
\ No newline at end of file
diff --git a/kuaishou/latest.md b/kuaishou/latest.md
index 8862651..75ceeb7 100644
--- a/kuaishou/latest.md
+++ b/kuaishou/latest.md
@@ -1,43 +1,88 @@
-以下为快手牛客面经 7.25~8.12汇总后的题目数据。
+以下为快手牛客面经 9.1~9.31新增的题目数据。
-🎯方便大家刷近期面经，更有针对性地冲击面试。
-
-快手的总数据，请在首页点击具体岗位查看。
-| 公司 | 题目 | 链接 | 频度 |
-|----|---------------------------|-------------------------------------------------------------------------------------------|----|
-| 快手 | 146. LRU缓存机制 | https://leetcode-cn.com/problems/lru-cache/ | 5 |
-| 快手 | 136. 只出现一次的数字 | https://leetcode-cn.com/problems/single-number/ | 3 |
-| 快手 | 151. 翻转字符串里的单词 | https://leetcode-cn.com/problems/reverse-words-in-a-string/ | 3 |
-| 快手 | 103. 二叉树的锯齿形层次遍历 | https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/ | 3 |
-| 快手 | 215. 数组中的第K个最大元素 | https://leetcode-cn.com/problems/kth-largest-element-in-an-array/ | 3 |
-| 快手 | 剑指 Offer 18. 删除链表的节点 | https://leetcode-cn.com/problems/shan-chu-lian-biao-de-jie-dian-lcof/ | 2 |
-| 快手 | 206. 反转链表 | https://leetcode-cn.com/problems/reverse-linked-list/ | 2 |
-| 快手 | 3. 无重复字符的最长子串 | https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/ | 2 |
-| 快手 | 43. 字符串相乘 | https://leetcode-cn.com/problems/multiply-strings/ | 1 |
-| 快手 | 40. 组合总和 II | https://leetcode-cn.com/problems/combination-sum-ii/ | 1 |
-| 快手 | 415. 字符串相加 | https://leetcode-cn.com/problems/add-strings/ | 1 |
-| 快手 | 88. 合并两个有序数组 | https://leetcode-cn.com/problems/merge-sorted-array/ | 1 |
-| 快手 | 78. 子集 | https://leetcode-cn.com/problems/subsets/ | 1 |
-| 快手 | 面试题 08.11. 硬币 | https://leetcode-cn.com/problems/coin-lcci/ | 1 |
-| 快手 | 94. 二叉树的中序遍历 | https://leetcode-cn.com/problems/binary-tree-inorder-traversal/ | 1 |
-| 快手 | 69. x 的平方根 | https://leetcode-cn.com/problems/sqrtx/ | 1 |
-| 快手 | 剑指 Offer 36. 二叉搜索树与双向链表 | https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof/ | 1 |
-| 快手 | 48. 旋转图像 | https://leetcode-cn.com/problems/rotate-image/ | 1 |
-| 快手 | 142. 环形链表 II | https://leetcode-cn.com/problems/linked-list-cycle-ii/ | 1 |
-| 快手 | 15. 三数之和 | https://leetcode-cn.com/problems/3sum/ | 1 |
-| 快手 | 20. 有效的括号 | https://leetcode-cn.com/problems/valid-parentheses/ | 1 |
-| 快手 | 232. 用栈实现队列 | https://leetcode-cn.com/problems/implement-queue-using-stacks/ | 1 |
-| 快手 | 235. 二叉搜索树的最近公共祖先 | https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-search-tree/ | 1 |
-| 快手 | 169. 多数元素 | https://leetcode-cn.com/problems/majority-element/ | 1 |
-| 快手 | 300. 最长上升子序列 | https://leetcode-cn.com/problems/longest-increasing-subsequence/ | 1 |
-| 快手 | 226. 翻转二叉树 | https://leetcode-cn.com/problems/invert-binary-tree/ | 1 |
-| 快手 | 16. 最接近的三数之和 | https://leetcode-cn.com/problems/3sum-closest/ | 1 |
-| 快手 | 322. 零钱兑换 | https://leetcode-cn.com/problems/coin-change/ | 1 |
-| 快手 | 剑指 Offer 51. 数组中的逆序对 | https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof/ | 1 |
-| 快手 | 93. 复原IP地址 | https://leetcode-cn.com/problems/restore-ip-addresses/ | 1 |
-| 快手 | 34. 在排序数组中查找元素的第一个和最后一个位置 | https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array/ | 1 |
-| 快手 | 9. 回文数 | https://leetcode-cn.com/problems/palindrome-number/ | 1 |
-| 快手 | 33. 搜索旋转排序数组 | https://leetcode-cn.com/problems/search-in-rotated-sorted-array/ | 1 |
-| 快手 | 1. 两数之和 | https://leetcode-cn.com/problems/two-sum/ | 1 |
-| 快手 | 111. 二叉树的最小深度 | https://leetcode-cn.com/problems/minimum-depth-of-binary-tree/ | 1 |
-| 快手 | 144. 二叉树的前序遍历 | https://leetcode-cn.com/problems/binary-tree-preorder-traversal/ | 1 |
+|| 题目 | 出现次数 | 链接 |
+|------------------------------|------|----------------------------------------------------------------------------------------------------|
+| 206. 反转链表 | 11 | https://leetcode-cn.com/problems/reverse-linked-list |
+| 补充题4. 手撕快速排序 | 5 | |
+| 142. 环形链表 II | 5 | https://leetcode-cn.com/problems/linked-list-cycle-ii |
+| 103. 二叉树的锯齿形层次遍历 | 4 | https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal |
+| 110. 平衡二叉树 | 4 | https://leetcode-cn.com/problems/balanced-binary-tree |
+| 102. 二叉树的层序遍历 | 4 | https://leetcode-cn.com/problems/binary-tree-level-order-traversal |
+| 3. 无重复字符的最长子串 | 4 | https://leetcode-cn.com/problems/longest-substring-without-repeating-characters |
+| 704. 二分查找 | 3 | https://leetcode-cn.com/problems/binary-search |
+| 补充题5. 手撕归并排序 | 3 | |
+| 148. 排序链表 | 3 | https://leetcode-cn.com/problems/sort-list |
+| 415. 字符串相加 | 3 | https://leetcode-cn.com/problems/add-strings |
+| 21. 合并两个有序链表 | 3 | https://leetcode-cn.com/problems/merge-two-sorted-lists |
+| 509. 斐波那契数 | 3 | https://leetcode-cn.com/problems/fibonacci-number |
+| 53. 最大子序和 | 3 | https://leetcode-cn.com/problems/maximum-subarray |
+| 78. 子集 | 3 | https://leetcode-cn.com/problems/subsets |
+| 23. 合并K个升序链表 | 3 | https://leetcode-cn.com/problems/merge-k-sorted-lists |
+| 补充题7. 最长公共子串 | 3 | |
+| 46. 全排列 | 2 | https://leetcode-cn.com/problems/permutations |
+| 2. 两数相加 | 2 | https://leetcode-cn.com/problems/add-two-numbers |
+| 剑指 Offer 51. 数组中的逆序对 | 2 | https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof |
+| 160. 相交链表 | 2 | https://leetcode-cn.com/problems/intersection-of-two-linked-lists |
+| 144. 二叉树的前序遍历 | 2 | https://leetcode-cn.com/problems/binary-tree-preorder-traversal |
+| 5. 最长回文子串 | 2 | https://leetcode-cn.com/problems/longest-palindromic-substring |
+| 15. 三数之和 | 2 | https://leetcode-cn.com/problems/3sum |
+| 24. 两两交换链表中的节点 | 2 | https://leetcode-cn.com/problems/swap-nodes-in-pairs |
+| 145. 二叉树的后序遍历 | 2 | https://leetcode-cn.com/problems/binary-tree-postorder-traversal |
+| 232. 用栈实现队列 | 2 | https://leetcode-cn.com/problems/implement-queue-using-stacks |
+| 1143. 最长公共子序列 | 2 | https://leetcode-cn.com/problems/longest-common-subsequence |
+| 226. 翻转二叉树 | 2 | https://leetcode-cn.com/problems/invert-binary-tree |
+| 151. 翻转字符串里的单词 | 2 | https://leetcode-cn.com/problems/reverse-words-in-a-string |
+| 155. 最小栈 | 2 | https://leetcode-cn.com/problems/min-stack |
+| 88. 合并两个有序数组 | 2 | https://leetcode-cn.com/problems/merge-sorted-array |
+| 121. 买卖股票的最佳时机 | 2 | https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock |
+| 129. 求根到叶子节点数字之和 | 2 | https://leetcode-cn.com/problems/sum-root-to-leaf-numbers |
+| 146. LRU缓存机制 | 2 | https://leetcode-cn.com/problems/lru-cache |
+| 845. 数组中的最长山脉 | 2 | https://leetcode-cn.com/problems/longest-mountain-in-array |
+| 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 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 |
+| 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 |
+| 25. K 个一组翻转链表 | 1 | https://leetcode-cn.com/problems/reverse-nodes-in-k-group |
+| 75. 颜色分类 | 1 | https://leetcode-cn.com/problems/sort-colors |
+| 647. 回文子串 | 1 | https://leetcode-cn.com/problems/palindromic-substrings |
+| 143. 重排链表 | 1 | https://leetcode-cn.com/problems/reorder-list |
+| 300. 最长上升子序列 | 1 | https://leetcode-cn.com/problems/longest-increasing-subsequence |
+| 19. 删除链表的倒数第N个节点 | 1 | https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list |
+| 70. 爬楼梯 | 1 | https://leetcode-cn.com/problems/climbing-stairs |
+| 167. 两数之和 II - 输入有序数组 | 1 | https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted |
+| 1. 两数之和 | 1 | https://leetcode-cn.com/problems/two-sum |
+| 459. 重复的子字符串 | 1 | https://leetcode-cn.com/problems/repeated-substring-pattern |
+| 面试题 16.06. 最小差 | 1 | https://leetcode-cn.com/problems/smallest-difference-lcci |
+| 42. 接雨水 | 1 | https://leetcode-cn.com/problems/trapping-rain-water |
+| 238. 除自身以外数组的乘积 | 1 | https://leetcode-cn.com/problems/product-of-array-except-self |
+| 498. 对角线遍历 | 1 | https://leetcode-cn.com/problems/diagonal-traverse |
+| 344. 反转字符串 | 1 | https://leetcode-cn.com/problems/reverse-string |
+| 543. 二叉树的直径 | 1 | https://leetcode-cn.com/problems/diameter-of-binary-tree |
+| 8. 字符串转换整数 (atoi) | 1 | https://leetcode-cn.com/problems/string-to-integer-atoi |
+| 240. 搜索二维矩阵 II | 1 | https://leetcode-cn.com/problems/search-a-2d-matrix-ii |
+| 200. 岛屿数量 | 1 | https://leetcode-cn.com/problems/number-of-islands |
+| 64. 最小路径和 | 1 | https://leetcode-cn.com/problems/minimum-path-sum |
+| 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 |
+| 268. 缺失数字 | 1 | https://leetcode-cn.com/problems/missing-number |
+| 349. 两个数组的交集 | 1 | https://leetcode-cn.com/problems/intersection-of-two-arrays |
+| 43. 字符串相乘 | 1 | https://leetcode-cn.com/problems/multiply-strings |
+| 208. 实现 Trie (前缀树) | 1 | https://leetcode-cn.com/problems/implement-trie-prefix-tree |
+| 35. 搜索插入位置 | 1 | https://leetcode-cn.com/problems/search-insert-position |
+| 919. 完全二叉树插入器 | 1 | https://leetcode-cn.com/problems/complete-binary-tree-inserter |
+| 补充题6. 手撕堆排序 | 1 | https://leetcode-cn.com/problems/undefined |
+| 1493. 删掉一个元素以后全为 1 的最长子数组 | 1 | https://leetcode-cn.com/problems/undefined |
+| 104. 二叉树的最大深度 | 1 | https://leetcode-cn.com/problems/maximum-depth-of-binary-tree |
+| 82. 删除排序链表中的重复元素 II | 1 | https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii |
+| 191. 位1的个数 | 1 | https://leetcode-cn.com/problems/number-of-1-bits |
+| 318. 最大单词长度乘积 | 1 | https://leetcode-cn.com/problems/maximum-product-of-word-lengths |
+| 109. 有序链表转换二叉搜索树 | 1 | https://leetcode-cn.com/problems/convert-sorted-list-to-binary-search-tree |
+| 312. 戳气球 | 1 | https://leetcode-cn.com/problems/burst-balloons |
+| 958. 二叉树的完全性检验 | 1 | https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree |
+| 59. 螺旋矩阵 II | 1 | https://leetcode-cn.com/problems/spiral-matrix-ii |
+| 39. 组合总和 | 1 | https://leetcode-cn.com/problems/combination-sum |
+| 224. 基本计算器 | 1 | https://leetcode-cn.com/problems/basic-calculator |
+| 67. 二进制求和 | 1 | https://leetcode-cn.com/problems/add-binary |
+| 101. 对称二叉树 | 1 | https://leetcode-cn.com/problems/symmetric-tree |
+| 141. 环形链表 | 1 | https://leetcode-cn.com/problems/linked-list-cycle |
+| 6. Z 字形变换 | 1 | https://leetcode-cn.com/problems/zigzag-conversion |
+| 470. 用 Rand7() 实现 Rand10() | 1 | https://leetcode-cn.com/problems/implement-rand10-using-rand7 |
diff --git a/kuaishou/test.md b/kuaishou/test.md
index f459bdb..efeeae6 100644
--- a/kuaishou/test.md
+++ b/kuaishou/test.md
@@ -1,8 +1,20 @@
-| 公司 | 岗位 | 题目 | 频次 |
-|----|----|----------------------------|-------|
-| 快手 | 测试 | 20. 有效的括号 | 2（+1） |
-| 快手 | 测试 | 剑指 Offer 42. 连续子数组的最大和 | 1 |
-| 快手 | 测试 | 剑指 Offer 48. 最长不含重复字符的子字符串 | 1 |
-| 快手 | 测试 | 3. 无重复字符的最长子串 | 1（+1） |
-| 快手 | 测试 | 232. 用栈实现队列 | 1（+1） |
-
+测试
+|题目|出现次数|链接|
+|-|-|-|
+|3. 无重复字符的最长子串|3|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
+|142. 环形链表 II|2|https://leetcode-cn.com/problems/linked-list-cycle-ii|
+|20. 有效的括号|2|https://leetcode-cn.com/problems/valid-parentheses|
+|143. 重排链表|1|https://leetcode-cn.com/problems/reorder-list|
+|349. 两个数组的交集|1|https://leetcode-cn.com/problems/intersection-of-two-arrays|
+|剑指 Offer 42. 连续子数组的最大和|1|https://leetcode-cn.com/problems/lian-xu-zi-shu-zu-de-zui-da-he-lcof|
+|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
+|39. 组合总和|1|https://leetcode-cn.com/problems/combination-sum|
+|647. 回文子串|1|https://leetcode-cn.com/problems/palindromic-substrings|
+|344. 反转字符串|1|https://leetcode-cn.com/problems/reverse-string|
+|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
+|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
+|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
+|补充题6. 手撕堆排序|1||
+|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
+|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
+|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