1/**2* Definition for a binary tree node.3* struct TreeNode {4* int val;5* TreeNode *left;6* TreeNode *right;7* TreeNode() : val(0), left(nullptr), right(nullptr) {}8* TreeNode(int x) : val(x), left(nullptr), r
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…
private void rightSideViewHelper(TreeNode node, List<Integer> result, int level){ if(node == null) return; if(result.size() == level){ result.add(node.val); } rightSideViewHelper(node.right, result, level+1); rightSideViewHelper(node.left, result, level+1); } }...
vector<int> ans;public:voiddfs(TreeNode *root,intdepth){if(!root)return;if(!vist[depth]) { ans.push_back(root->val); vist[depth]=1; }dfs(root->right,depth+1);dfs(root->left,depth+1); }vector<int>rightSideView(TreeNode* root){dfs(root,1);returnans; } };...
//Definition for binary tree struct TreeNode { int val; TreeNode *left; TreeNode *right; TreeNode(int x) : val(x), left(NULL), right(NULL) {} }; class Solution { public: vector<int> rightSideView(TreeNode *root) { if(root==NULL) ...
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 <--- ...
Binary Tree Right Side View 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 <--- / \ ...
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<---\ \54<-...
199. Binary Tree Right Side View** 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 <--- / \2 3 <--- \...
199. Binary Tree Right Side View(二叉树的右视图) 题目描述 题目链接 https://leetcode.com/problems/binary-tree-right-side-view/ 方法思路 Apprach1: 基于层序遍历,只添加每层的最后一个节点的值。 Apprach2: The core idea of this algorithm: 1.Each depth of the tree only select one node. 2....