已结束

[labuladong]

本期打卡已结算完成。报名最新一期的打卡活动 点这里

[harryhook]

Q104: https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/er-cha-shu-zui-da-shen-du-by-harryhook-6euo/

[xiaopeiyi0704]

leetcode 543 https://leetcode.com/problems/diameter-of-binary-tree/discuss/2848178/Java-postorder-recurstion

leetcode 104 https://leetcode.com/problems/maximum-depth-of-binary-tree/discuss/2848188/java-postorder-recursion

leetcode 144 https://leetcode.com/problems/binary-tree-preorder-traversal/discuss/2848190/java-recursion

[Brucewfq]

力扣144题：https://leetcode.cn/problems/binary-tree-preorder-traversal/solutions/1991508/by-bruce_wan-gmk2/

[ZechenM]

https://leetcode.com/problems/maximum-depth-of-binary-tree/solutions/2848696/topic/

[xrwy2000]

https://leetcode.cn/problems/diameter-of-binary-tree/solution/hou-xu-bian-li-huo-qu-zishu-by-wangsixia-ufvi/

[helen-tao]

Q104:https://leetcode.com/problems/maximum-depth-of-binary-tree/solutions/2848801/php-104-maximum-depth-of-binary-tree/

[tianyuanzoe]

https://leetcode.com/problems/diameter-of-binary-tree/solutions/2848804/java-recursion-solution/

[goahead656]

Q543: https://leetcode.cn/problems/diameter-of-binary-tree/solution/by-liu-hua-w1-myca/ Q104: https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/er-cha-shu-de-by-liu-hua-w1-e10p/

[fengmiaomiao123]

https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1991930/er-cha-shu-de-hou-xu-bian-li-by-flamboya-mibh/

[lomanqqq]

104. 二叉树的最大深度

https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/jian-dan-di-gui-javaban-ben-by-luo-luo-k-xy0f/

[linglinglv]

Q104：https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/104-by-linglinglv-xkav/ Q543：https://leetcode.cn/problems/diameter-of-binary-tree/solution/543-by-linglinglv-s8z6/

[YangJiaCheng97]

Q104：https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/by-wu-yue-yjc-gkqh/ Q543：https://leetcode.cn/problems/diameter-of-binary-tree/solution/by-wu-yue-yjc-3pdu/

[fhtbmw]

LeetCode 104 https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1992298/di-gui-by-feng-huo-tai-j55x/

[YoungLightMing]

Q104： https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/suan-fa-xiao-bai-by-younglightming-jtlj/

[17870107715]

104：https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/104-er-cha-shu-de-zui-da-shen-du-by-flip-3p8z/

[Ethanim]

https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1992537/543-er-cha-shu-de-zhi-jing-by-shi-zhi-wa-527m/

[zhuguoliang]

https://leetcode.com/problems/maximum-depth-of-binary-tree/discuss/2850163/C%2B%2B-recursive

[pgh79]

Q104： https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1992582/problem-104-er-cha-shu-de-zui-da-shen-du-7nxw/

[Colafornia]

Q543: https://leetcode.com/problems/diameter-of-binary-tree/discuss/2850220/Typical-JavaScript-recursion-solution

[itismejustme]

104. 二叉树的最大深度 https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1992658/104-er-cha-shu-de-zui-da-shen-du-httpsle-n63n/

[HaoyuBian]

https://leetcode.cn/problems/binary-tree-preorder-traversal/solution/zhan-by-silly-poincareelt-pdv8/

[ZYao-UP]

https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1992748/cshi-xian-by-lzym-a6cr/

[winkydang]

https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1883122/104-er-cha-shu-de-zui-da-shen-du-by-dxy-evz84/

[KKKKSHI30]

Q104: https://leetcode.com/problems/maximum-depth-of-binary-tree/discuss/2851879/python-recursion-solution Q543: https://leetcode.com/problems/diameter-of-binary-tree/discuss/2851889/python-recursive-solution Q144:https://leetcode.com/problems/binary-tree-preorder-traversal/discuss/2851899/python-bfs-solution

[sidankkirsten]

https://leetcode.com/problems/maximum-depth-of-binary-tree/discuss/2852437/Python-recursive-solution

[yh5155]

543: https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1993415/er-cha-shu-de-zhi-jing-by-liu-zz9-viui/ 104: https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1993643/er-cha-shu-de-zui-da-shen-du-by-liu-zz9-vpth/ 144: https://leetcode.cn/problems/binary-tree-preorder-traversal/solutions/1993659/er-cha-shu-de-qian-xu-bian-li-by-liu-zz9-7fof/

[woshilvyi]

Q543：https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1993865/li-kou-543ti-by-lu-yi-hfo-st5u/

[yoco323]

q144 https://leetcode.com/problems/binary-tree-preorder-traversal/discuss/2852585/Java-recursion q104 https://leetcode.com/problems/maximum-depth-of-binary-tree/discuss/2852799/Java-recursive q 543 https://leetcode.com/problems/diameter-of-binary-tree/discuss/2852942/java-recursive

[lg785805788]

543. 二叉树的直径 https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1993934/by-sad-ellisl0t-lphg/

[li-positiveandfocus]

543: https://leetcode.com/problems/diameter-of-binary-tree/discuss/2853190/Java-solution 104: https://leetcode.com/problems/maximum-depth-of-binary-tree/discuss/2853181/Java

[Enemy-77]

https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/by-wu-di-h0-8vhy/

[BenCode2019]

https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1942635/by-ben-172-mi80/

[sherryhxw]

https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1994483/104er-cha-shu-de-zui-da-shen-du-di-gui-b-3wss/

[zhuguoliang]

https://leetcode.com/problems/diameter-of-binary-tree/discuss/2853730/C%2B%2B-with-maxDepth

[yuanfangluo]

Q104:https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1994620/hui-su-suan-fa-by-sleetcode-vkbb/

[tta1993]

Q104: https://leetcode.com/problems/maximum-depth-of-binary-tree/solutions/2853893/104-maximum-depth-of-binary-tree/

[yuhuan0311]

Q104: https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1994699/er-cha-shu-di-gui-bian-li-by-yuhuan0311-2n82/ https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1994725/er-cha-shu-bian-li-by-yuhuan0311-o3ig/

Q 543:https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1994788/er-cha-shu-hou-xu-bian-li-by-yuhuan0311-lv6d/

[sallylyw]

144. 二叉树的前序遍历

[elaineKuo]

Q104：https://leetcode.cn/problems/maximum-depth-of-binary-tree/solution/er-cha-shu-guandu-by-mei-vampire-lp2v/ Q144：https://leetcode.cn/problems/binary-tree-preorder-traversal/solution/er-cha-shu-de-qian-xu-bian-li-by-mei-vam-90tk/ Q543：https://leetcode.cn/problems/diameter-of-binary-tree/solution/by-mei-vampire-y4mf/

[blueburble]

Q 104: https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1994833/er-cha-shu-zui-da-kuan-du-by-friendly-po-pw3w/

[anqi0103]

LeetCode #104: https://leetcode.com/problems/maximum-depth-of-binary-tree/discuss/2854045/Java-Recursive-Solution-(2-different-solution)

[dapengzh54]

https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1994834/hou-xu-bian-li-er-cha-shu-by-zhang-da-pe-9tgl/

[dapengzh54]

https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1994834/hou-xu-bian-li-er-cha-shu-by-zhang-da-pe-9tgl/

[run-forrest]

Q104: https://leetcode.com/problems/maximum-depth-of-binary-tree/discuss/2854110/recursive-java

[Abeltianxiong]

https://leetcode.cn/problems/binary-tree-preorder-traversal/solutions/1650889/by-abeltianxiong-a9e6/

[jacewong]

https://leetcode.cn/problems/binary-tree-preorder-traversal/solution/by-chun-hei-wong-tjrt/

[summer-like-coding]

https://leetcode.cn/problems/diameter-of-binary-tree/solution/ts-by-summer_5_8-dwm1/

[XinrongHAN]

https://leetcode.com/problems/diameter-of-binary-tree/discuss/2859085/java-DFS

[syguo88]

Q543: https://leetcode.cn/problems/diameter-of-binary-tree/solutions/1998087/er-cha-shu-de-zhi-jing-er-cha-shu-de-hou-m9kw/

[enoren111]

https://leetcode.cn/problems/maximum-depth-of-binary-tree/solutions/1998044/maximum-depth-for-binary-tree-by-schneid-f0qw/