牛客網劍指offer java 全部題解

經過數月的努力，終於更完了牛客網的66道劍指offer，以下的順序和大家在牛客網的順序是一樣的（排序也花了不少時間），希望對大家找工作/提高算法能力能起到些許幫助。

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

• 每天一道劍指offer-用兩個棧實現隊列 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484319&idx=2&sn=aed7b194077d4f4b90ab49a7081f9143&chksm=ec6e7ac7db19f3d1f2b756d603b8e7dd18f268ccfec98ef08b84f3e26c1c2067b201ff301cc6&token=657087659&lang=zh_CN#rd

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• 每天一道劍指offer-牛客網斐波那契數列 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484353&idx=3&sn=95d7568a4e32be37b5d0bfd28c666fac&chksm=ec6e7a99db19f38f3f7bc8a12dee7e77d0d7375998d82bd38430d8c249ec6b3384a449fdaa15&token=657087659&lang=zh_CN#rd

• 每天一道劍指offer-牛客網跳台階 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484365&idx=3&sn=9d7127136f3d605546f0463353e36743&chksm=ec6e7a95db19f38387ee5d64b84583a5dca92bc2dd9f84448c2e03b4f84152ae2dc0df167ed0&token=657087659&lang=zh_CN#rd

• 每天一道劍指offer-牛客網變態跳台階 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484374&idx=3&sn=7f3165d24603b8bd7b29fd96b7100fb9&chksm=ec6e7a8edb19f3980d7460a827f2ad0df67f806e6cd337fff2baff79951b575f47412ea97745&token=657087659&lang=zh_CN#rd

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

• 每天一道劍指offer-牛客網二進制中1的個數 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484405&idx=3&sn=ca8f0e57a41e522fa0525487bb6b54bc&chksm=ec6e7aaddb19f3bb0b00fcb39e5506fbaa888d3be4ae32fa7ee94ef39b1799307a1088bb2d29&token=657087659&lang=zh_CN#rd

• 每天一道劍指offer-牛客網數值的整數次方 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484420&idx=3&sn=4d70430fae06d022c6cd75b61fa19ca1&chksm=ec6e7d5cdb19f44a8b6739a71f7874014c63af69e0cd0142cb119240635ba703f9c0b205f414&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-調整數組順序使奇數位於偶數前面 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484431&idx=2&sn=67a3c6e781c0017fe9ef1a71f112dcdd&chksm=ec6e7d57db19f441b06a7567c3ae00ee8cd73a5fe88b2bb8168847c7245802137e6446c7041e&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-鏈表中倒數第k個結點 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484441&idx=3&sn=0515c8f74b33fbf505d69e970bea0176&chksm=ec6e7d41db19f457298b82e0bd99ead09782778be51cc22283fb010c1270bc9ad21be31e0fef&token=657087659&lang=zh_CN#rd

• 每天一道劍指offer-反轉鏈表 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484468&idx=3&sn=cb5301aba0a3d78580cb6517c45442e6&chksm=ec6e7d6cdb19f47a632e0076940979babf1bc9128788a1b5f8ed6da8e3c7ce9f2b7849f23c4c&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-合並兩個排序的列表 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484487&idx=3&sn=fd1be32b550725d0affd73f8f56275bf&chksm=ec6e7d1fdb19f409588510b30a01494a59902ea26eca919579f4df74400eca5af07318413b8c&token=657087659&lang=zh_CN#rd

• 每天一道劍指offer-樹的子結構 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484511&idx=2&sn=7eeae5a98a5b1a55b89e9dd54544b743&chksm=ec6e7d07db19f4117f38ece673ca5ace7ed2bc6abb782a001753bccfab79245d98f8622b49fa&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-二叉樹的鏡像 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484519&idx=3&sn=009e0d0d017d073bed34dc924ae78aeb&chksm=ec6e7d3fdb19f4297c0df2990886c9ee2685c528a4f59cc2bb339da95a0e8c8922606dbb7e8a&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-順時針打印矩陣 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484534&idx=2&sn=2909d7d1de88d12e90286a9521a9918a&chksm=ec6e7d2edb19f4380ad51905c66bc4c1a2f2ddf792d36fac1c6803204701613d305ad9932039&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-包含min函數的棧 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484550&idx=2&sn=3bed9f8d59bf6996117423ed830dcc1f&chksm=ec6e7ddedb19f4c88b435989abaeebf745dd803c04e99630928f4a43bfda42ac2183ec20a72b&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-棧的壓入、彈出序列 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484561&idx=2&sn=27aeefcfc17e2829722ee298cc96b0d7&chksm=ec6e7dc9db19f4df87948f9fdf04fcee9681582ee83f0c8d5dbb228ec31546eaf335a6e9125f&token=1812131085&lang=zh_CN#rd

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

• 每天一道劍指offer-二叉搜索樹的后序遍歷序列 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484646&idx=3&sn=d6fd39a4cc7b7180e8014ad70ea1b21b&chksm=ec6e7dbedb19f4a8104428a654b884d966ec37a3c55a58848e0efa578f3dad3017974aad6483&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-二叉樹中和為某一值的路徑 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484663&idx=2&sn=56e65d5dab55831c42df7b0efbae3d01&chksm=ec6e7dafdb19f4b95a4c7affe969086a9606498c8ae33516c54384931cc3b9a9a2724e39b05f&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-復雜鏈表的復制 https://mp.weixin.qq.com/s?__biz=Mzg4MDA3NTM2OQ%3D%3D&mid=2247483717&idx=1&sn=0afe107399dc99c8a22dd5cb0d5137df&scene=45#wechat_redirect

• 每天一道劍指offer-二叉搜索樹與雙向鏈表 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484676&idx=2&sn=dcf484b32398103580afcc642ceb3376&chksm=ec6e7c5cdb19f54a32a5f31c6e375758dbcaa0980ea48af2a1b9a65e5374efcc810e0c27eaf4&token=1812131085&lang=zh_CN#rd

• 每天一道劍指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

• 每天一道劍指offer-數組中出現次數超過一半的數字 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484690&idx=2&sn=39fde3af3fcb1f1e45be382063d85422&chksm=ec6e7c4adb19f55ce44772b7dde58ba4b7f4fd285ffdca84140499bd0b6e13bc774f99ac239d&token=1812131085&lang=zh_CN#rd

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

• 每天一道劍指offer-連續子數組的最大和 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484742&idx=2&sn=f92f21b4fd89e1fda7467590045c8dd3&chksm=ec6e7c1edb19f508d5454cf92e259c087ae2c93ec9e4ad0432317dff85d413aa72bdefae4ac3&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-整數中1出現的次數

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• 每天一道劍指offer-把數組排成最小的數 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484755&idx=2&sn=23a71fe36621d030a66b40f9c68dc59c&chksm=ec6e7c0bdb19f51d95d69bba7838d2d85ccea17875bf798c4c1c42065b37ea7219affa025727&token=1812131085&lang=zh_CN#rd

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

• 每天一道劍指offer-第一個只出現一次的字符 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484854&idx=2&sn=e8f2a969756c34622f7e7fa6b42aea04&chksm=ec6e7ceedb19f5f81b55c57519361e9f189ef168566c9d71f55689c5bf7d49f45f469b524ab2&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-數組中的逆序對
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• 每天一道劍指offer-兩個鏈表的第一個公共結點 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247484881&idx=2&sn=563b4cc38932d25ad4c0b0c907be02ad&chksm=ec6e7c89db19f59ff25906664af09494cec8405c768466fd20a567c48a96408cd1ebc8c13434&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-數字在排序數組中出現的次數 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485150&idx=2&sn=46607647883fe5374d1117f0df90bee9&chksm=ec6e7f86db19f690be3067cd8ecec9f04ffee8ec21966cb94e91593d7c58872f0756c95c1229&token=1812131085&lang=zh_CN#rd

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

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

• 每天一道劍指offer-數組中只出現一次的數字 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485256&idx=2&sn=122465052bb6df62bebcdfb5cfd015b0&chksm=ec6e7e10db19f706abc6c5d2feda2285ed034b869f2a5375081b95525adff94a1acc96deeaf0&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-和為S的連續正數序列 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485478&idx=2&sn=37a4b52e7f41f314db249f5c559c7f93&chksm=ec6e717edb19f8683b137108c768199534947637a85d7e3447ba8ffabb6c016dfc68052405f5&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-和為S的兩個數字 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485289&idx=2&sn=422101e0cf4c16fe85992e1a4cd482d0&chksm=ec6e7e31db19f72744352054d8e20952c0e294e8d52529d8486bc3b69d41b29c0bdc27bc704e&token=1812131085&lang=zh_CN#rd

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

• 每天一道劍指offer-翻轉單詞順序列 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485275&idx=2&sn=f35c7822dc97cb4628261d77f36bd22c&chksm=ec6e7e03db19f71558bfb2ab24be434f8795c6e98f7ac0076c2723a0fb9187e408f58c640715&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-撲克牌順子 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485284&idx=2&sn=495edffc4b64515beb0bc94957e937db&chksm=ec6e7e3cdb19f72a05813ce4740e07c5601d75e55c005e37cbe22693f5dccae2f1ee40629d6c&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-孩子們的游戲(圓圈中最后剩下的數)

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• 每天一道劍指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

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

• 每天一道劍指offer-把字符串轉換成整數 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485364&idx=2&sn=c4d2f9fbb0d2537bca092b9dc3112382&chksm=ec6e7eecdb19f7fa545cc167e584f8a594baf08e2f177253656399a614c14a13966ae875e451&token=1812131085&lang=zh_CN#rd

• 每天一道劍指offer-數組中重復的數字 https://mp.weixin.qq.com/s?__biz=MzU1NzgzNzU3NQ%3D%3D&mid=2247483655&idx=1&sn=5431de40f77ad6eae0f825c34d6e8ef9&scene=45#wechat_redirect

• 每天一道劍指offer-構建乘積數組

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• 每天一道劍指offer-正則表達式匹配

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• 每天一道劍指offer-字符流中第一個不重復的字符 https://mp.weixin.qq.com/s?__biz=Mzg4MDA3NTM2OQ%3D%3D&mid=2247483684&idx=1&sn=885c60ff4a5d9de1c8d52776accbe173&scene=45#wechat_redirect

• 每天一道劍指offer-鏈表中環的入口結點 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485409&idx=2&sn=f305bfb5b8a4a95ef26c8208632fbc92&chksm=ec6e7eb9db19f7afc38a0bca7622e62bfba6e773d73dc1bf2030a19f27eae33fb4d15b5df0c4&token=1812131085&lang=zh_CN#rd

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• 每天一道劍指offer-二叉樹的下一個結點 https://mp.weixin.qq.com/s?__biz=Mzg4MDA3NTM2OQ%3D%3D&mid=2247483704&idx=1&sn=389435b3cae8e4b0075c8fae71321411&scene=45#wechat_redirect

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• 每天一道劍指offer-機器人的運動范圍 https://mp.weixin.qq.com/s?__biz=MzI5MzYzMDAwNw==&mid=2247485562&idx=2&sn=a6db060b33947d21e90d582c9151da04&chksm=ec6e7122db19f834948e7a00dd89fb77160ef05f144d1918d61a609f0f351f49dda06f123253&token=1812131085&lang=zh_CN#rd

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