acttell的博客

https://www.cnblogs.com/grandyang/p/4296500.html

https://blog.youkuaiyun.com/xiezongsheng1990/article/details/79574892

二叉树，奇书层从左向右，偶数层从右向左进行输出https://www.cnblogs.com/grandyang/p/4297009.html

https://blog.youkuaiyun.com/qq_38595487/article/details/79598628

https://www.cnblogs.com/grandyang/p/4295245.htmlhttps://www.cnblogs.com/springfor/p/3879823.html

https://www.cnblogs.com/grandyang/p/4051348.html

http://www.cnblogs.com/grandyang/p/4620012.html

Given a binary search tree, write a function kthSmallest to find the kth smallest element in it.Note:You may assume k is always valid, 1 ≤ k ≤ BST’s total elements.Follow up:What if the BST is mod...

Given a binary tree, return all duplicate subtrees. For each kind of duplicate subtrees, you only need to return the root node of any oneof them.Two trees are duplicate if they have the same structur...

https://www.cnblogs.com/grandyang/p/4572877.html

https://blog.youkuaiyun.com/sinat_20177327/article/details/82052368

https://www.cnblogs.com/SHERO-Vae/p/5800363.html

https://www.cnblogs.com/grandyang/p/4641968.html

http://www.cnblogs.com/grandyang/p/4051321.html

https://www.cnblogs.com/grandyang/p/4296500.html

https://blog.youkuaiyun.com/K346K346/article/details/51076268

题目： 输入一个整数和一棵二叉树。打印出和与输入整数相等的所有路径。例子： 例如输入整数22和如下二叉树 10 / \ ...