[LeetCode] Construct Binary Tree from Inorder and Postorder Traversal 由中序和后序遍歷建立二叉樹
. 這道題要求從中序和后序遍歷的結果來重建原二叉樹，我們知道中序的遍歷順序是左-根-右，后序的順序是左-右- ...
原文：[LeetCode] 145. Binary Tree Postorder Traversal 二叉樹的后序遍歷
Given a binary tree, return the postorder traversal of its nodes values. For example: Given binary tree , , , , return , , . Note: Recursive solution is trivial, could you do it iteratively 經典題目，求二叉樹 ...
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[LeetCode] 889. Construct Binary Tree from Preorder and Postorder Traversal 由先序和后序遍歷建立二叉樹
Return any binary tree that matches the given preorder and postorder traversals. Values in the traversals pre and post are distinct positive ...
LeetCode 145. 二叉樹的后序遍歷 (用棧實現后序遍歷二叉樹的非遞歸算法)
題目鏈接：https://leetcode-cn.com/problems/binary-tree-postorder-traversal/ 給定一個二叉樹，返回它的 后序 遍歷。 示例: 輸入: [1,null,2,3] 1 \ 2 / 3 輸出: [3,2,1]進階: 遞歸算法 ...
[Leetcode] Binary tree level order traversal二叉樹層次遍歷
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example:Given binary tree ...
[LeetCode] 144. Binary Tree Preorder Traversal 二叉樹的先序遍歷
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[LeetCode] Binary Tree Level Order Traversal II 二叉樹層序遍歷之二
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[LeetCode] 94. Binary Tree Inorder Traversal 二叉樹的中序遍歷
it iteratively? 二叉樹的中序遍歷順序為左-根-右，可以有遞歸和非遞歸來解，其中非遞歸解法又 ...