link:[https://leetcode.com/explore/learn/card/data-structure-tree/134/traverse-a-tree/928/] 递归解法: #Definition for a binary tree node.#class TreeNode(object):#def __init__(self, x):#self.val = x#self.left = None#self.right = NoneclassSolution(object):defsolve(self,root):ifroo...
面经:print the top view of a binary tree 实现:Time O(nlogn) BFS-n, map-logn Space O(n) classSolution {public: vector<vector<int>> verticalOrder(TreeNode*root) { vector<vector<int>>res;if(!root)returnres; map<int, vector<int>>m; queue<pair<TreeNode*,int>>q; q.push({root,0}...
问题链接 英文网站:199. Binary Tree Right Side View中文网站:199. 二叉树的右视图问题描述Given the root of a binary tree, imagine yourself standing on the right side of it, return the values of the n…
算法与数据结构基础 - 二叉树(Binary Tree) bangerlee 来自专栏 · 算法与数据结构基础 6 人赞同了该文章 二叉树基础 满足这样性质的树称为二叉树:空树或节点最多有两个子树,称为左子树、右子树, 左右子树节点同样最多有两个子树。 二叉树是递归定义的,因而常用递归/DFS的思想处理二叉树相关问题,例如LeetCode...
【LeetCode】199. Binary Tree Right Side View 解题报告(Python) 标签: LeetCode 题目地址:https://leetcode.com/problems/binary-tree-right-side-view/description/ 题目描述: Given a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered...
Leetcode 199 Binary Tree Right Side View 二叉树 Given a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom. For example: Given the following binary tree, 1 <--- / \ 2 3 <--- \ \ 5 triplebee ...
Blogger:https://blog.baozitraining.org/2019/10/leetcode-solution-199-binary-tree-right.html Youtube:https://youtu.be/_g6pN64bF-o 博客园: https://www.cnblogs.com/baozitraining/p/11595617.html B站: https://www.bilibili.com/video/av69112013/ ...
Given a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom. Example: Input: [1,2,3,null,5,null,4] Output: [1, 3, 4] Explanation: 1 <--- ...
0102-Binary-Tree-Level-Order-Traversal 0104-Maximum-Depth-of-Binary-Tree 0105-Construct-Binary-Tree-from-Preorder-and-Inorder Traversal 0106-Construct-Binary-Tree-from-Inorder-and-Postorder Traversal 0107-Binary-Tree-Level-Order-Traversal-II 0108-Convert-Sorted-Array-to-Binary...
0173-binary-search-tree-iterator 0186-reverse-words-in-a-string-ii 0189-rotate-array 0198-house-robber 0199-binary-tree-right-side-view 0200-number-of-islands 0202-happy-number 0205-isomorphic-strings 0206-reverse-linked-list 0207-course-schedule 0208-implement-trie-prefix-tree 0209-minimum-size-...