吹水boy的小本本

Talk is cheap, show me your code~

二叉树面试题

二叉树

二叉树的前中后序非递归遍历方式 前序、中序、后序遍历的顺序其实指的是根结点在遍历树时候的位置； 左子树 右子树 | | | 根（前序） 根（中序） 根（后序） T94. Binary Tree Inorder Traversal 使用迭代的方式，中序遍历...

Posted by xiechengsheng on March 20, 2017

Hello World

Hello World

Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub. Q...

Posted by xiechengsheng on March 8, 2017

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种一棵树最好的时间是十年前，其次是现在。