Leetcode 590. N-ary Tree Postorder Traversal

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【LeetCode】145. Binary Tree Postorder Traversal (3 solutions)

Binary Tree Postorder Traversal Given a binary tree, return the postorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [3,2,1]. Note: Recursive solution is trivial, could you do it iteratively? 解法一:递归法 /**…

【LEETCODE OJ】Binary Tree Postorder Traversal

Problem Link: http://oj.leetcode.com/problems/binary-tree-postorder-traversal/ The post-order-traversal of a binary tree is a classic problem, the recursive way to solve it is really straightforward, the pseudo-code is as follows. RECURSIVE-POST-ORDE…

【LeetCode】145. Binary Tree Postorder Traversal 解题报告 (C++&Python)

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 目录题目描述题目大意解题方法递归迭代日期题目地址:https://leetcode.com/problems/binary-tree-postorder-traversal/ 题目描述 Given a binary tree, return the postorder traversal of its nodes' values. Example: Input: [1,nu…

LeetCode解题报告:Binary Tree Postorder Traversal

Given a binary tree, return the postorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [3,2,1]. Note: Recursive solution is trivial, could you do it iteratively? 1.递归算法的递归定义是: 若二叉树为空,则遍历结束:否则⑴ 后序遍历左子树(递归调用…

LeetCode OJ 145. Binary Tree Postorder Traversal

Given a binary tree, return the postorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [3,2,1]. Note: Recursive solution is trivial, could you do it iteratively? Subscribe to see which companies asked this…

LeetCode OJ：Binary Tree Postorder Traversal（后序遍历二叉树）

Given a binary tree, return the postorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [3,2,1]. Note: Recursive solution is trivial, could you do it iteratively? Subscribe to see which companies asked this…