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…
1、题目描述 2、问题分析 使用层序遍历 3、代码 1vector<int>v;2vector<int> rightSideView(TreeNode*root) {3if(root ==NULL)4returnv;56queue<TreeNode*>q;7q.push(root);89while(!q.empty()) {10intsize =q.size();11for(inti =0; i < size; i++) {12TreeNode *node =q.front();13...
* TreeNode(int x) : val(x), left(NULL), right(NULL) {} * };*/classSolution {public: vector<int> rightSideView(TreeNode *root) { vector<int>res;if(!root)returnres; queue<TreeNode*>q; q.push(root);while(!q.empty()) { res.push_back(q.back()->val);intsize =q.size();f...
* Definition for a binary tree node. * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int x) { val = x; } * } */ class Solution { public List<Integer> rightSideView(TreeNode root) { List<Integer> result = new ArrayList<>(); if (root ==...
LeetCode199题 Binary Tree Right Side View, 解题思路。 1、先读题,凡是同一层的,有右边的节点,只添加右边的。 2、用bfs去解决,队列先添加右子树,再添加左子树,队列除了带node 信息,还得有当前层数的信息。 3、循环处理,当前层数没有被使用,就添加node的val。
【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...
Problem Statement Given a binary tree, imagine yourself standing on therightside of it, return the values of the nodes you can see ordered from top to bottom. Example: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Input:[1,2,3,null,5,null,4]Output:[1,3,4]Explanation:1<---/\23...
http://www.programcreek.com/2014/04/leetcode-binary-tree-right-side-view-java/ 看了这篇博客就懂了。 ** 总结: queue来遍历tree ** Anyway, Good luck, Richardo! My code: /** * Definition for a binary tree node. * public class TreeNode { ...
Binary Tree Right Side View Given a binary tree, imagine yourself standing on therightside of it, return the values of the nodes you can see ordered from top to bottom. For example: Given the following binary tree, 1 <--- / \
Given a binary tree, imagine yourself standing on therightside 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 4 <--- ...