Given a binary tree, flatten it to a linked list in-place. For example,Given The flattened tree should look like: click to show hints. ...
給定一刻二叉樹,將二叉樹按照前序遍歷的順序轉為單鏈表,右指針指向next,左指針指向None 分治法:將左 右子樹變為單鏈表,分別返回左右鏈表的最后一個節點,讓左鏈表的最后一個節點指向右節點的第一個節點,完成合並。右鏈表的最后一個節點即為整個鏈表的最后一個節點。 遍歷法:二叉樹的非遞歸前序遍歷。從棧頂取出節點cur,依次將cur的右節點 左節點壓入棧,然cur指向棧頂節點。 ...
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Given a binary tree, flatten it to a linked list in-place. For example,Given The flattened tree should look like: click to show hints. ...
原題地址:http://oj.leetcode.com/problems/flatten-binary-tree-to-linked-list/ 題意: Given a binary tree, flatten it to a linked list in-place. ...
題目: Given a binary tree, flatten it to a linked list in-place. For example, Given The flattened tree should look like: 1 TreeNode ...
在寫這篇文章之前說一下數據結構和算法這個系列,這個系列包含了很多東西,比如啥子排序,線性表,廣義表,樹,圖這些大家都是知道的,但是這些東西我們學了之后工作中能用到的又有多少呢,據我所知絕大部分公司,一 ...
Given a binary tree, flatten it to a linked list in-place. For example,Given The flattened tree should look like: If you notice carefully ...
Convert a BST to a sorted circular doubly-linked list in-place. Think of the left and right pointers as synonymous to the previous and next ...
上一篇文章講的是分形之樹(Tree),這一篇中將其簡化一下,來展示二叉分形樹的生長過程。 核心代碼: 軟件截圖: 最后的圖形很像一棵花菜吧。 二叉樹有兩個控制參數,分叉的角度與子樹的長度。通過調節這兩個參數,可以得到不同的圖形 ...
543. Diameter of Binary Tree 問題描述 Given a binary tree, you need to compute the length of the diameter of the tree. The diameter of a binary tree ...