文章 2023-01-05 来自:开发者社区

LeetCode 257. Binary Tree Paths

DescriptionGiven a binary tree, return all root-to-leaf paths.Note: A leaf is a node with no children.Example:Input: 1 / \ 2 3 \ 5 Output: ["1->2->5", "1->3"] Explanation: All r...

LeetCode 257. Binary Tree Paths
文章 2017-12-01 来自:开发者社区

[LeetCode] Binary Tree Paths 二叉树路径

Given a binary tree, return all root-to-leaf paths. For example, given the following binary tree:  1 / \ 2 3 \ 5 All root-to-leaf paths are: ["1->2->5", "1->3"] 这道题给我们一个二叉树,让我们...

文章 2017-11-14 来自:开发者社区

leetCode 257. Binary Tree Paths 二叉树路径

257. Binary Tree Paths Given a binary tree, return all root-to-leaf paths. For example, given the following binary tree:    1  /   \ 2     3...

文章 2016-10-14 来自:开发者社区

[LeetCode]--257. Binary Tree Paths

Given a binary tree, return all root-to-leaf paths. For example, given the following binary tree: 1 / \ 2 3 \ 5 All root-to-leaf paths are: [“1->2->5”, “1->3”] Credits: S...

文章 2015-11-08 来自:开发者社区

[LeetCode] Binary Tree Paths

Given a binary tree, return all root-to-leaf paths. For example, given the following binary tree: 1 / \ 2 3 \ 5 All root-to-leaf paths are: [“1->2->5”, “1->3”] 解题思路 ...

文章 2015-09-09 来自:开发者社区

[LeetCode] Binary Tree Paths - 二叉树基础系列题目

目录:1.Binary Tree Paths - 求二叉树路径 2.Same Tree - 判断二叉树相等 3.Symmetric Tree - 判断二叉树对称镜像 Binary Tree Paths 题目概述:Given a binary tree, return all root-to-leaf paths. For example, given the following...

文章 2015-08-16 来自:开发者社区

[LeetCode] Binary Tree Paths

The basic idea is to start from root and add it to the current path, then we recursively visit its left and right subtrees if they exist; otherwise, we have reached ...

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