*/publicclassBinaryTreeInOrderTraversal{privateint[] result =null;intpos=0;publicint[] traversal(char[] tree) { result =newint[tree.length]; pos =0; traversalByRecursion(createTree(tree));returnresult; }publicint[] traversal1(char[] tree) { result =newint[tree.length]; pos =0; travers...
Given a binary tree, return theinordertraversal of its nodes' values. For example: Given binary tree{1,#,2,3}, 非递归版本: 用一个栈来模拟递归的情况, 首先思考inorder traverse的递归函数 traverse(left tree); visit current node traverse(right tree); 也就是说我们把一个节点压入栈中,首先它...
请一键三连, 非常感谢LeetCode 力扣题解94. 二叉树的中序遍历94. Binary Tree Inorder Traversal帮你深度理解 二叉树 数据结构 递归算法 Morris遍历 迭代, 视频播放量 116、弹幕量 0、点赞数 0、投硬币枚数 0、收藏人数 0、转发人数 0, 视频作者 程序员写代码, 作者简介 Lee
94. Binary Tree Inorder TraversalEasy Topics Companies Given the root of a binary tree, return the inorder traversal of its nodes' values. Example 1: Input: root = [1,null,2,3] Output: [1,3,2] Explanation: Example 2: Input: root = [1,2,3,4,5,null,8,null,null,6,7,9] ...
LeetCode: 105. Construct Binary Tree from Preorder and Inorder Traversal 题目描述 Given preorder and inorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree. For example, given ...
The function returns the root of the constructed binary tree. 4. Time & Space Complexity Analysis: 4.1 Time Complexity: 4.1.1 Lists as parameters In each recursive call, the index() function is used to find the index of the root value in the inorder traversal list. This function has a ...
原题链接:http://oj.leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/ 这道题是树中比較有难度的题目。须要依据先序遍历和中序遍历来构造出树来。这道题看似毫无头绪。事实上梳理一下还是有章可循的。以下我们就用一个样例来解释怎样构造出树。
publicList<Integer>inorderTraversal3(TreeNoderoot){List<Integer>ans=newArrayList<>();TreeNodecur=root;while(cur!=null){//情况 1if(cur.left==null){ans.add(cur.val);cur=cur.right;}else{//找左子树最右边的节点TreeNodepre=cur.left;while(pre.right!=null&&pre.right!=cur){pre=pre.right;}...
【300题刷题挑战】leetcode力扣剑指 Offer 27. 二叉树的镜像 mirrorTree 第二百一十四题 | 树 03:38 【300题刷题挑战】leetcode力扣剑指 Offer 28. 对称的二叉树 isSymmetric 第二百一十五题 | 树 06:01 【300题刷题挑战】leetcode力扣剑指 Offer 32 - I. 从上到下打印二叉树 levelOrder 第二百一十...
名字叫做, morrois traversal, 自己写了下: My code: /** * Definition for a binary tree node. * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int x) { val = x; } * } */publicclassSolution{publicList<Integer>inorderTraversal(TreeNoderoot){List...