LC.145.Post-order Traversal Of Binary Tree https://leetcode.com/problems/binary-tree-postorder-traversal/description/ Description Implement an iterative, post-order traversal of a given binary tree, return the list of keys of each node in the tree as it is post-order traversed. Examples 5 /...
leetcode之Construct Binary Tree from Inorder and Postorder Traversal 问题 问题描述: Given inorder and postorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree. 啰嗦一句,可能学过数据结构的人看到题目就知道啥意思了,给的问题介绍和...
One: Using two stacks, stack to traversal the node, stackr to record the parent node when visiting its right-child; https://oj.leetcode.com/problems/path-sum/ https://oj.leetcode.com/problems/binary-tree-postorder-traversal/
Morris Traversal (好处是,Pre-Order和In-Order代码只有很小的改动) Morris Pre-Order Traversal (LeetCode 144) (Medium) 1...If left child is null, print the current node data. Move to right child. ….Else, Make the right child of the inorder predecessor point to the current node. Two cas...
2019-12-21 10:25 − - 后序遍历二叉树(非递归实现) [题目来源](https://leetcode.com/problems/binary-tree-postorder-traversal/) - C++代码实现 ``` class Solution { public: vector postorderTravers... 尚修能的技术博客 0 170 94. Binary Tree Inorder Traversal 2019-12-20 19:03 − -...
145. Binary Tree Postorder Traversal 2019-12-21 10:25 −- 后序遍历二叉树(非递归实现) [题目来源](https://leetcode.com/problems/binary-tree-postorder-traversal/) - C++代码实现 ``` class Solution { public: vector postorderTravers... ...
Inorder tranverse: 迭代写法: classSolution{publicList<Integer>inorderTraversal(TreeNode root){ List<Integer> res =newArrayList<>();if(root ==null)returnres; LinkedList<TreeNode> stack =newLinkedList<>();TreeNodecur=root;//cur指针while(cur !=null|| !stack.isEmpty()){while(cur !=null){...
Morris post order traversal algorithm Sept. 5, 2015 花时间把代码读明白, 比光看书强. 动手写代码, 改代码, 兴趣是最好的老师. 多记几个例子, 增加情趣. 举个例子关于中序遍历, 4 / \ 2 6 / \ / \ 1 3 5 7 easy way to travel is to remember the order of its position in the horizontal...
94. Binary Tree Inorder Traversal 2019-12-20 19:03 −- 中序遍历二叉树(非递归) 使用一个辅助栈 [题目来源](https://leetcode.com/problems/binary-tree-inorder-traversal/) - C++实现 ``` /** * Definition for a binary tree node. * stru... ...
94. Binary Tree Inorder Traversal 2019-12-20 19:03 −- 中序遍历二叉树(非递归) 使用一个辅助栈 [题目来源](https://leetcode.com/problems/binary-tree-inorder-traversal/) - C++实现 ``` /** * Definition for a binary tree node. * str... ...