牛客网剑指offer java 全部题解

经过数月的努力，终于更完了牛客网的66道剑指offer，以下的顺序和大家在牛客网的顺序是一样的（排序也花了不少时间），希望对大家找工作/提高算法能力能起到些许帮助。

• 每天一道剑指offer-二维数组中的查找
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484262&idx=2&sn=83fb17338c606e2080fe75331f1528f7&chksm=ec6e7a3edb19f32867e39964a4df4e38cacbc1779b7dbe708787d4b40851b41e21c7c4702c87&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-替换空格
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484283&idx=3&sn=a8e3d735d5ea5d703856d9bd96a9e547&chksm=ec6e7a23db19f3353fc822e753e0eb91264dc772462e9d1d406a1f89853b86fd4dfcb5353a55&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-从尾到头打印链表
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484302&idx=2&sn=193f840914f5f8b47cab0aee5fa43bf1&chksm=ec6e7ad6db19f3c08b574fea3ca328421ae679465c8c391a5224eb7c674804b53f3bad8d858e&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-重建二叉树
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485461&idx=2&sn=8e837b43189575703a5ca72cc0a6ca9e&chksm=ec6e714ddb19f85bc58bb8cbd17408103d7f218ce684db1afa1bdb88e45293b2a5906cb9f306&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-用两个栈实现队列
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484319&idx=2&sn=aed7b194077d4f4b90ab49a7081f9143&chksm=ec6e7ac7db19f3d1f2b756d603b8e7dd18f268ccfec98ef08b84f3e26c1c2067b201ff301cc6&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-旋转数组的最小值
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484332&idx=2&sn=1189afaddf726065d816329e1023cfc3&chksm=ec6e7af4db19f3e2be8ba63ec6b6b44528a1bafe82b991fd3bed6f21d1b4f7c46a9afc3b98c4&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-牛客网斐波那契数列
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484353&idx=3&sn=95d7568a4e32be37b5d0bfd28c666fac&chksm=ec6e7a99db19f38f3f7bc8a12dee7e77d0d7375998d82bd38430d8c249ec6b3384a449fdaa15&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-牛客网跳台阶
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484365&idx=3&sn=9d7127136f3d605546f0463353e36743&chksm=ec6e7a95db19f38387ee5d64b84583a5dca92bc2dd9f84448c2e03b4f84152ae2dc0df167ed0&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-牛客网变态跳台阶
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484374&idx=3&sn=7f3165d24603b8bd7b29fd96b7100fb9&chksm=ec6e7a8edb19f3980d7460a827f2ad0df67f806e6cd337fff2baff79951b575f47412ea97745&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-矩形覆盖
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484385&idx=3&sn=cf7588e1d3ffbb34eb5a075baf1d7cdc&chksm=ec6e7ab9db19f3af357a95b980c6ef668c97c36dd1d57976db180d5b27a4db206e8af0c45ab6&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-牛客网二进制中1的个数
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484405&idx=3&sn=ca8f0e57a41e522fa0525487bb6b54bc&chksm=ec6e7aaddb19f3bb0b00fcb39e5506fbaa888d3be4ae32fa7ee94ef39b1799307a1088bb2d29&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-牛客网数值的整数次方
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484420&idx=3&sn=4d70430fae06d022c6cd75b61fa19ca1&chksm=ec6e7d5cdb19f44a8b6739a71f7874014c63af69e0cd0142cb119240635ba703f9c0b205f414&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-调整数组顺序使奇数位于偶数前面
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484431&idx=2&sn=67a3c6e781c0017fe9ef1a71f112dcdd&chksm=ec6e7d57db19f441b06a7567c3ae00ee8cd73a5fe88b2bb8168847c7245802137e6446c7041e&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-链表中倒数第k个结点
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484441&idx=3&sn=0515c8f74b33fbf505d69e970bea0176&chksm=ec6e7d41db19f457298b82e0bd99ead09782778be51cc22283fb010c1270bc9ad21be31e0fef&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-反转链表
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484468&idx=3&sn=cb5301aba0a3d78580cb6517c45442e6&chksm=ec6e7d6cdb19f47a632e0076940979babf1bc9128788a1b5f8ed6da8e3c7ce9f2b7849f23c4c&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-合并两个排序的列表
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484487&idx=3&sn=fd1be32b550725d0affd73f8f56275bf&chksm=ec6e7d1fdb19f409588510b30a01494a59902ea26eca919579f4df74400eca5af07318413b8c&token=657087659&lang=zh_CN#rd

• 每天一道剑指offer-树的子结构
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484511&idx=2&sn=7eeae5a98a5b1a55b89e9dd54544b743&chksm=ec6e7d07db19f4117f38ece673ca5ace7ed2bc6abb782a001753bccfab79245d98f8622b49fa&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-二叉树的镜像
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484519&idx=3&sn=009e0d0d017d073bed34dc924ae78aeb&chksm=ec6e7d3fdb19f4297c0df2990886c9ee2685c528a4f59cc2bb339da95a0e8c8922606dbb7e8a&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-顺时针打印矩阵
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484534&idx=2&sn=2909d7d1de88d12e90286a9521a9918a&chksm=ec6e7d2edb19f4380ad51905c66bc4c1a2f2ddf792d36fac1c6803204701613d305ad9932039&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-包含min函数的栈
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484550&idx=2&sn=3bed9f8d59bf6996117423ed830dcc1f&chksm=ec6e7ddedb19f4c88b435989abaeebf745dd803c04e99630928f4a43bfda42ac2183ec20a72b&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-栈的压入、弹出序列
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484561&idx=2&sn=27aeefcfc17e2829722ee298cc96b0d7&chksm=ec6e7dc9db19f4df87948f9fdf04fcee9681582ee83f0c8d5dbb228ec31546eaf335a6e9125f&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-从上往下打印二叉树
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484625&idx=2&sn=7fb0343fee005be8ce7b9879ba7c891b&chksm=ec6e7d89db19f49fbeb8933b9c95f225b5b14fdc95285c7d3a6e110fed702691b9abc9936db9&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-二叉搜索树的后序遍历序列
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484646&idx=3&sn=d6fd39a4cc7b7180e8014ad70ea1b21b&chksm=ec6e7dbedb19f4a8104428a654b884d966ec37a3c55a58848e0efa578f3dad3017974aad6483&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-二叉树中和为某一值的路径
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484663&idx=2&sn=56e65d5dab55831c42df7b0efbae3d01&chksm=ec6e7dafdb19f4b95a4c7affe969086a9606498c8ae33516c54384931cc3b9a9a2724e39b05f&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-复杂链表的复制
  https://mp.weixin.qq.com/s?__biz=Mzg4MDA3NTM2OQ%3D%3D&mid=2247483717&idx=1&sn=0afe107399dc99c8a22dd5cb0d5137df&scene=45#wechat_redirect

• 每天一道剑指offer-二叉搜索树与双向链表
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484676&idx=2&sn=dcf484b32398103580afcc642ceb3376&chksm=ec6e7c5cdb19f54a32a5f31c6e375758dbcaa0980ea48af2a1b9a65e5374efcc810e0c27eaf4&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-字符串的排列
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484748&idx=2&sn=4dd588af707d7a598206b090083f9a18&chksm=ec6e7c14db19f502489081a1aa1be260e288af7ef3f4c7dc6fddab1186cd34d0a93d750993bc&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-数组中出现次数超过一半的数字
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484690&idx=2&sn=39fde3af3fcb1f1e45be382063d85422&chksm=ec6e7c4adb19f55ce44772b7dde58ba4b7f4fd285ffdca84140499bd0b6e13bc774f99ac239d&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-最小的K个数
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484700&idx=2&sn=f569859fab0b8919f5bbe6597db470a2&chksm=ec6e7c44db19f5529a7e5eaf8135f1b0b87852981767bdb19a43ae29262839970ac1b2c43cc7&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-连续子数组的最大和
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484742&idx=2&sn=f92f21b4fd89e1fda7467590045c8dd3&chksm=ec6e7c1edb19f508d5454cf92e259c087ae2c93ec9e4ad0432317dff85d413aa72bdefae4ac3&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-整数中1出现的次数

https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485570&idx=2&sn=bcde8bc907c3968986e461d7d8617032&chksm=ec6e71dadb19f8cc72eecb221e1f44a0569c4c9b80724da4a4eb993aa07fc3dd0bd673443b47&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-把数组排成最小的数
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484755&idx=2&sn=23a71fe36621d030a66b40f9c68dc59c&chksm=ec6e7c0bdb19f51d95d69bba7838d2d85ccea17875bf798c4c1c42065b37ea7219affa025727&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-丑数
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484777&idx=3&sn=46c511202cb8d44018132b4fa66b5a77&chksm=ec6e7c31db19f527c0a0fa617cbcef944edb6d68fb92478e47c89b4c56beaa50641aa8599938&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-第一个只出现一次的字符
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484854&idx=2&sn=e8f2a969756c34622f7e7fa6b42aea04&chksm=ec6e7ceedb19f5f81b55c57519361e9f189ef168566c9d71f55689c5bf7d49f45f469b524ab2&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-数组中的逆序对
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485578&idx=2&sn=3a7eeacd00aeb5365ad0da16ae658013&chksm=ec6e71d2db19f8c4060843cb1df1fd7c172371e2e65fb181769ed6ca2e4c7a44138a7c8c0cfa&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-两个链表的第一个公共结点
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484881&idx=2&sn=563b4cc38932d25ad4c0b0c907be02ad&chksm=ec6e7c89db19f59ff25906664af09494cec8405c768466fd20a567c48a96408cd1ebc8c13434&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-数字在排序数组中出现的次数
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485150&idx=2&sn=46607647883fe5374d1117f0df90bee9&chksm=ec6e7f86db19f690be3067cd8ecec9f04ffee8ec21966cb94e91593d7c58872f0756c95c1229&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-二叉树的深度
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484917&idx=3&sn=d517bef6049e0871b7aa5c29dcca3d2e&chksm=ec6e7caddb19f5bb98b6acff5e954fb38169fd12a2418f88f556daf5db7c120e29c951b00ccf&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-平衡二叉树
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484956&idx=2&sn=0318cde38f73888acf2b6501044256f9&chksm=ec6e7f44db19f6527bc45111d706116b72c7d8e59cfdf7a1c58eeafe52acba559975b1ac0f30&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-数组中只出现一次的数字
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485256&idx=2&sn=122465052bb6df62bebcdfb5cfd015b0&chksm=ec6e7e10db19f706abc6c5d2feda2285ed034b869f2a5375081b95525adff94a1acc96deeaf0&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-和为S的连续正数序列
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485478&idx=2&sn=37a4b52e7f41f314db249f5c559c7f93&chksm=ec6e717edb19f8683b137108c768199534947637a85d7e3447ba8ffabb6c016dfc68052405f5&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-和为S的两个数字
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485289&idx=2&sn=422101e0cf4c16fe85992e1a4cd482d0&chksm=ec6e7e31db19f72744352054d8e20952c0e294e8d52529d8486bc3b69d41b29c0bdc27bc704e&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-左旋转字符串
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485269&idx=2&sn=d55cbe590ec8cd2f19ee9d7b3af2a491&chksm=ec6e7e0ddb19f71b36c52c9476efc261050d17c38d0cfd52318d47147ed85b33d43dffe2ef61&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-翻转单词顺序列
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485275&idx=2&sn=f35c7822dc97cb4628261d77f36bd22c&chksm=ec6e7e03db19f71558bfb2ab24be434f8795c6e98f7ac0076c2723a0fb9187e408f58c640715&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-扑克牌顺子
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485284&idx=2&sn=495edffc4b64515beb0bc94957e937db&chksm=ec6e7e3cdb19f72a05813ce4740e07c5601d75e55c005e37cbe22693f5dccae2f1ee40629d6c&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-孩子们的游戏(圆圈中最后剩下的数)

https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485300&idx=2&sn=f0e5bae59c843eb00a66c91b3fdf1012&chksm=ec6e7e2cdb19f73ac1b19625d92939eca269d6a0070f7fed6bb2bd0ea51e75c22280e1c665d1&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-求1+2+3+...+n
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485326&idx=3&sn=c62164b01c4f7db93a81a326b518d5e1&chksm=ec6e7ed6db19f7c019d3411bdf585a7970b834147c25834ff4b6f1b3f1e079f98cb51b193d84&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-不用加减乘除做加法
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485357&idx=2&sn=bf6feb87e6225dafd2d510a662196238&chksm=ec6e7ef5db19f7e3e536d032a4de3664124f66931aee8e57238d2d595f98965d2224db333a3c&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-把字符串转换成整数
  https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485364&idx=2&sn=c4d2f9fbb0d2537bca092b9dc3112382&chksm=ec6e7eecdb19f7fa545cc167e584f8a594baf08e2f177253656399a614c14a13966ae875e451&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-数组中重复的数字
  https://mp.weixin.qq.com/s?__biz=MzU1NzgzNzU3NQ%3D%3D&mid=2247483655&idx=1&sn=5431de40f77ad6eae0f825c34d6e8ef9&scene=45#wechat_redirect

• 每天一道剑指offer-构建乘积数组

https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485487&idx=2&sn=4e823c16fe03dbb0dc53fae28c823fbe&chksm=ec6e7177db19f861dc445e68799e1baef24f198ec14d45bac2baf42654cedd3a67943a823d04&token=1812131085&lang=zh_CN#rd

• 每天一道剑指offer-正则表达式匹配

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• 每天一道剑指offer-表示数值的字符串
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• 每天一道剑指offer-字符流中第一个不重复的字符
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• 每天一道剑指offer-链表中环的入口结点
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• 每天一道剑指offer-删除链表中重复的结点
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• 每天一道剑指offer-二叉树的下一个结点
  https://mp.weixin.qq.com/s?__biz=Mzg4MDA3NTM2OQ%3D%3D&mid=2247483704&idx=1&sn=389435b3cae8e4b0075c8fae71321411&scene=45#wechat_redirect

• 每天一道剑指offer-对称的二叉树
  https://mp.weixin.qq.com/s?__biz=Mzg4MDA3NTM2OQ%3D%3D&mid=2247483688&idx=1&sn=f137aa0d40d3e1e15553e5b5423fa9b4&scene=45#wechat_redirect

• 每天一道剑指offer-按之字形顺序打印二叉树
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• 每天一道剑指offer-把二叉树打印成多行
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• 每天一道剑指offer-序列化二叉树
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• 每天一道剑指offer-二叉搜索树的第k个结点
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• 每天一道剑指offer-数据流的中位数
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• 每天一道剑指offer-滑动窗口的最大值
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• 每天一道剑指offer-矩形中的路径
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• 每天一道剑指offer-机器人的运动范围
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