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新增百度高频题汇总
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‎README.md

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总结实属不易，恳求大家给个star:star:
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对于一些数据条数较多的岗位，可能会只提供考察频度大于1次的数据，基本上也够用了。
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如果想了解**部门**偏爱考察的题目或按时间排序查看面试题，请移至公众号中的CodeTop小程序查询。
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如果想更充分准备面试，了解部门偏爱考察的题目或时间排序查看面试题，请移至公众号中的CodeTop小程序查询。
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:loudspeaker:新增[issues](https://github.com/afatcoder/LeetcodeTop/issues)，以后的issue会存放题目的来源和没有在leetcode上查到的“不明题目”。
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![微信公众号：力扣君](https://note.youdao.com/yws/public/resource/a9216f577fb9d322425561dfea9188bc/xmlnote/E030D723180440EAA22542B348C919C2/10773)
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:heartbeat:期待大家来codetop分享考到的题目，祝大家都能拿到满意的offer
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:heartbeat:期待大家来在codetop中分享考到的题目，祝大家都能拿到满意的offer
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:information_source:数据来源：牛客网笔经面经
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:warning:若转载本文章，需注明本仓库地址哦
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![微信公众号：力扣君](https://note.youdao.com/yws/public/resource/a9216f577fb9d322425561dfea9188bc/xmlnote/E030D723180440EAA22542B348C919C2/10773)
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## 百度(更新至牛客8.7日的面经)
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- [百度提前批面经原始数据，结果还在统计中...](https://github.com/afatcoder/LeetcodeTop/issues/6)
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## 阿里巴巴
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- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/backend.md)
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- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/algorithm.md)
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- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/client.md)
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- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/frontend.md)
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- [数据相关岗位](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/data.md)
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- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/test.md)
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- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/backend.md)
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- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/algorithm.md)
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- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/client.md)
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- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/frontend.md)
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- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/test.md)
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## 字节跳动（更新至牛客7.18日的面经）
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- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/backend.md)
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- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/algorithm.md)
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- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/frontend.md)
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- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/test.md)
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- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/data.md)
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## 阿里巴巴
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- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/backend.md)
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- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/algorithm.md)
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- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/client.md)
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- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/frontend.md)
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- [数据相关岗位](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/data.md)
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- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/test.md)
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‎baidu/algorithm.md

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| 公司 | 岗位 | 题目 | 链接 | 频度 |
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|----|----|-------------------------------|----------------------------------------------------------------------------------------------------------------------|----|
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| 百度 | 算法 | 215\. 数组中的第K个最大元素 | https://leetcode\-cn\.com/problems/kth\-largest\-element\-in\-an\-array/ | 7 |
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| 百度 | 算法 | 142\. 环形链表 II | https://leetcode\-cn\.com/problems/linked\-list\-cycle\-ii/ | 2 |
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| 百度 | 算法 | 103\. 二叉树的锯齿形层次遍历 | https://leetcode\-cn\.com/problems/binary\-tree\-zigzag\-level\-order\-traversal/ | 2 |
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| 百度 | 算法 | 1339\. 分裂二叉树的最大乘积 | https://leetcode\-cn\.com/problems/maximum\-product\-of\-splitted\-binary\-tree/ | 1 |
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| 百度 | 算法 | 101\. 对称二叉树 | https://leetcode\-cn\.com/problems/symmetric\-tree/ | 1 |
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| 百度 | 算法 | 46\. 全排列 | https://leetcode\-cn\.com/problems/permutations/ | 1 |
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| 百度 | 算法 | 53\. 最大子序和 | https://leetcode\-cn\.com/problems/maximum\-subarray/ | 1 |
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| 百度 | 算法 | 98\. 验证二叉搜索树 | https://leetcode\-cn\.com/problems/validate\-binary\-search\-tree/ | 1 |
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| 百度 | 算法 | 102\. 二叉树的层序遍历 | https://leetcode\-cn\.com/problems/binary\-tree\-level\-order\-traversal/ | 1 |
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| 百度 | 算法 | 62\. 不同路径 | https://leetcode\-cn\.com/problems/unique\-paths/ | 1 |
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| 百度 | 算法 | 69\. x 的平方根 | https://leetcode\-cn\.com/problems/sqrtx/ | 1 |
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| 百度 | 算法 | 208\. 实现 Trie \(前缀树\) | https://leetcode\-cn\.com/problems/implement\-trie\-prefix\-tree/ | 1 |
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| 百度 | 算法 | 72\. 编辑距离 | https://leetcode\-cn\.com/problems/edit\-distance/ | 1 |
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| 百度 | 算法 | 5\. 最长回文子串 | https://leetcode\-cn\.com/problems/longest\-palindromic\-substring/ | 1 |
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| 百度 | 算法 | 206\. 反转链表 | https://leetcode\-cn\.com/problems/reverse\-linked\-list/ | 1 |
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| 百度 | 算法 | 234\. 回文链表 | https://leetcode\-cn\.com/problems/palindrome\-linked\-list/ | 1 |
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| 百度 | 算法 | 剑指 Offer 59 \- I\. 滑动窗口的最大值 | https://leetcode\-cn\.com/problems/hua\-dong\-chuang\-kou\-de\-zui\-da\-zhi\-lcof/ | 1 |
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| 百度 | 算法 | 404\. 左叶子之和 | https://leetcode\-cn\.com/problems/sum\-of\-left\-leaves/ | 1 |
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| 百度 | 算法 | 剑指 Offer 21\. 调整数组顺序使奇数位于偶数前面 | https://leetcode\-cn\.com/problems/diao\-zheng\-shu\-zu\-shun\-xu\-shi\-qi\-shu\-wei\-yu\-ou\-shu\-qian\-mian\-lcof/ | 1 |

‎baidu/backend.md

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| 公司 | 岗位 | 题目 | 链接 | 频度 |
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| 百度 | 后端 | 102\. 二叉树的层序遍历 | https://leetcode\-cn\.com/problems/binary\-tree\-level\-order\-traversal/ | 4 |
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| 百度 | 后端 | 206\. 反转链表 | https://leetcode\-cn\.com/problems/reverse\-linked\-list/ | 4 |
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| 百度 | 后端 | 94\. 二叉树的中序遍历 | https://leetcode\-cn\.com/problems/binary\-tree\-inorder\-traversal/ | 3 |
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| 百度 | 后端 | 199\. 二叉树的右视图 | https://leetcode\-cn\.com/problems/binary\-tree\-right\-side\-view/ | 3 |
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| 百度 | 后端 | 4\. 寻找两个正序数组的中位数 | https://leetcode\-cn\.com/problems/median\-of\-two\-sorted\-arrays/ | 3 |
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| 百度 | 后端 | 142\. 环形链表 II | https://leetcode\-cn\.com/problems/linked\-list\-cycle\-ii/solution/ | 3 |
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| 百度 | 后端 | 268\. 缺失数字 | https://leetcode\-cn\.com/problems/missing\-number/ | 2 |
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| 百度 | 后端 | 160\. 相交链表 | https://leetcode\-cn\.com/problems/intersection\-of\-two\-linked\-lists/ | 2 |
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| 百度 | 后端 | 62\. 不同路径 | https://leetcode\-cn\.com/problems/unique\-paths/ | 2 |
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| 百度 | 后端 | 146\. LRU缓存机制 | https://leetcode\-cn\.com/problems/lru\-cache/ | 2 |
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| 百度 | 后端 | 349\. 两个数组的交集 | https://leetcode\-cn\.com/problems/intersection\-of\-two\-arrays/ | 2 |
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| 百度 | 后端 | 19\. 删除链表的倒数第N个节点 | https://leetcode\-cn\.com/problems/remove\-nth\-node\-from\-end\-of\-list/ | 2 |
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| 百度 | 后端 | 面试题 01\.06\. 字符串压缩 | https://leetcode\-cn\.com/problems/compress\-string\-lcci/ | 2 |
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| 百度 | 后端 | 104\. 二叉树的最大深度 | https://leetcode\-cn\.com/problems/maximum\-depth\-of\-binary\-tree/ | 2 |
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| 百度 | 后端 | 20\. 有效的括号 | https://leetcode\-cn\.com/problems/valid\-parentheses/ | 2 |
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| 百度 | 后端 | 剑指 Offer 39\. 数组中出现次数超过一半的数字 | https://leetcode\-cn\.com/problems/shu\-zu\-zhong\-chu\-xian\-ci\-shu\-chao\-guo\-yi\-ban\-de\-shu\-zi\-lcof/ | 2 |
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| 百度 | 后端 | 69\. x 的平方根 | https://leetcode\-cn\.com/problems/sqrtx/ | 2 |
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| 百度 | 后端 | 449\. 序列化和反序列化二叉搜索树 | https://leetcode\-cn\.com/problems/serialize\-and\-deserialize\-bst/ | 1 |
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| 百度 | 后端 | 105\. 从前序与中序遍历序列构造二叉树 | https://leetcode\-cn\.com/problems/construct\-binary\-tree\-from\-preorder\-and\-inorder\-traversal/ | 1 |
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| 百度 | 后端 | 215\. 数组中的第K个最大元素 | https://leetcode\-cn\.com/problems/kth\-largest\-element\-in\-an\-array/ | 1 |
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| 百度 | 后端 | 191\. 位1的个数 | https://leetcode\-cn\.com/problems/number\-of\-1\-bits/ | 1 |
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| 百度 | 后端 | 43\. 字符串相乘 | https://leetcode\-cn\.com/problems/multiply\-strings/ | 1 |
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| 百度 | 后端 | 88\. 合并两个有序数组 | https://leetcode\-cn\.com/problems/merge\-sorted\-array/ | 1 |
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| 百度 | 后端 | 3\. 无重复字符的最长子串 | https://leetcode\-cn\.com/problems/longest\-substring\-without\-repeating\-characters/ | 1 |
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| 百度 | 后端 | 121\. 买卖股票的最佳时机 | https://leetcode\-cn\.com/problems/best\-time\-to\-buy\-and\-sell\-stock/ | 1 |
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| 百度 | 后端 | 123\. 买卖股票的最佳时机 III | https://leetcode\-cn\.com/problems/best\-time\-to\-buy\-and\-sell\-stock\-iii/ | 1 |
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| 百度 | 后端 | 93\. 复原IP地址 | https://leetcode\-cn\.com/problems/restore\-ip\-addresses/ | 1 |
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| 百度 | 后端 | 236\. 二叉树的最近公共祖先 | https://leetcode\-cn\.com/problems/lowest\-common\-ancestor\-of\-a\-binary\-tree/ | 1 |
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| 百度 | 后端 | 110\. 平衡二叉树 | https://leetcode\-cn\.com/problems/balanced\-binary\-tree/ | 1 |
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| 百度 | 后端 | 剑指 Offer 10\- II\. 青蛙跳台阶问题 | https://leetcode\-cn\.com/problems/qing\-wa\-tiao\-tai\-jie\-wen\-ti\-lcof/ | 1 |
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| 百度 | 后端 | 55\. 跳跃游戏 | https://leetcode\-cn\.com/problems/jump\-game/ | 1 |
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| 百度 | 后端 | 剑指 Offer 48\. 最长不含重复字符的子字符串 | https://leetcode\-cn\.com/problems/zui\-chang\-bu\-han\-zhong\-fu\-zi\-fu\-de\-zi\-zi\-fu\-chuan\-lcof/ | 1 |
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| 百度 | 后端 | 15\. 三数之和 | https://leetcode\-cn\.com/problems/3sum/ | 1 |
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| 百度 | 后端 | 剑指 Offer 42\. 连续子数组的最大和 | https://leetcode\-cn\.com/problems/lian\-xu\-zi\-shu\-zu\-de\-zui\-da\-he\-lcof/ | 1 |
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| 百度 | 后端 | 217\. 存在重复元素 | https://leetcode\-cn\.com/problems/contains\-duplicate/ | 1 |
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| 百度 | 后端 | 5\. 最长回文子串 | https://leetcode\-cn\.com/problems/longest\-palindromic\-substring/ | 1 |
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| 百度 | 后端 | 468\. 验证IP地址 | https://leetcode\-cn\.com/problems/validate\-ip\-address/ | 1 |
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| 百度 | 后端 | 46\. 全排列 | https://leetcode\-cn\.com/problems/permutations/ | 1 |
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| 百度 | 后端 | 222\. 完全二叉树的节点个数 | https://leetcode\-cn\.com/problems/count\-complete\-tree\-nodes/ | 1 |
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| 百度 | 后端 | 1143\. 最长公共子序列 | https://leetcode\-cn\.com/problems/longest\-common\-subsequence/ | 1 |
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| 百度 | 后端 | 72\. 编辑距离 | https://leetcode\-cn\.com/problems/edit\-distance/ | 1 |
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| 百度 | 后端 | 剑指 Offer 52\. 两个链表的第一个公共节点 | https://leetcode\-cn\.com/problems/liang\-ge\-lian\-biao\-de\-di\-yi\-ge\-gong\-gong\-jie\-dian\-lcof/ | 1 |
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| 百度 | 后端 | 209\. 长度最小的子数组 | https://leetcode\-cn\.com/problems/minimum\-size\-subarray\-sum/ | 1 |
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| 百度 | 后端 | 151\. 翻转字符串里的单词 | https://leetcode\-cn\.com/problems/reverse\-words\-in\-a\-string/ | 1 |
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| 百度 | 后端 | 9\. 回文数 | https://leetcode\.com/problems/palindrome\-number/ | 1 |
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| 百度 | 后端 | 25\. K 个一组翻转链表 | https://leetcode\-cn\.com/problems/reverse\-nodes\-in\-k\-group/ | 1 |
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| 百度 | 后端 | 面试题 16\.01\. 交换数字 | https://leetcode\-cn\.com/problems/swap\-numbers\-lcci/ | 1 |
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| 百度 | 后端 | 剑指 Offer 04\. 二维数组中的查找 | https://leetcode\-cn\.com/problems/er\-wei\-shu\-zu\-zhong\-de\-cha\-zhao\-lcof/ | 1 |
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| 百度 | 后端 | 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 |
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| 百度 | 后端 | 剑指 Offer 21\. 调整数组顺序使奇数位于偶数前面 | https://leetcode\-cn\.com/problems/diao\-zheng\-shu\-zu\-shun\-xu\-shi\-qi\-shu\-wei\-yu\-ou\-shu\-qian\-mian\-lcof/ | 1 |
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| 百度 | 后端 | 141\. 环形链表 | https://leetcode\-cn\.com/problems/linked\-list\-cycle/ | 1 |
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| 百度 | 后端 | 168\. Excel表列名称 | https://leetcode\-cn\.com/problems/excel\-sheet\-column\-title/ | 1 |
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| 百度 | 后端 | 148\. 排序链表 | https://leetcode\-cn\.com/problems/sort\-list/ | 1 |
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| 百度 | 后端 | 287\. 寻找重复数 | https://leetcode\-cn\.com/problems/find\-the\-duplicate\-number/ | 1 |
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| 百度 | 后端 | 1095\. 山脉数组中查找目标值 | https://leetcode\-cn\.com/problems/find\-in\-mountain\-array/ | 1 |

‎baidu/client.md

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| 公司 | 岗位 | 题目 | 地址 | 频率 |
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|----|-----|------------------------|--------------------------------------------------------------------------------|----|
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| 百度 | 客户端 | 206\. 反转链表 | https://leetcode\-cn\.com/problems/reverse\-linked\-list/ | 2 |
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| 百度 | 客户端 | 剑指 Offer 13\. 机器人的运动范围 | https://leetcode\-cn\.com/problems/ji\-qi\-ren\-de\-yun\-dong\-fan\-wei\-lcof/ | 1 |
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| 百度 | 客户端 | 142\. 环形链表 II | https://leetcode\-cn\.com/problems/linked\-list\-cycle\-ii/ | 1 |
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| 百度 | 客户端 | 144\. 二叉树的前序遍历 | https://leetcode\-cn\.com/problems/binary\-tree\-preorder\-traversal/ | 1 |
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| 百度 | 客户端 | 70\. 爬楼梯 | https://leetcode\-cn\.com/problems/climbing\-stairs/ | 1 |
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| 百度 | 客户端 | 104\. 二叉树的最大深度 | https://leetcode\-cn\.com/problems/maximum\-depth\-of\-binary\-tree/ | 1 |

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