left(NULL), right(NULL) {} 8 * }; 9 */ 10 class Solution { 11 public: 12 vector<int> rightSideView(TreeNode* root) { 13 vector<int> res; 14 queue<TreeNode*> q; 15 if(root == NULL) return res; 16 q.push(root); 17
TreeNode*node =q.front(); q.pop();if(node->left) q.push(node->left);if(node->right) q.push(node->right); } }returnres; } }; LeetCode All in One 题目讲解汇总(持续更新中...)
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…
# Definition for a binary tree node. # class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # 黄哥Python培训 黄哥所写 class Solution: def rightSideView(self, root: TreeNode) -> List[int]: if root is None: return [] res = [...
12 vector<int> rightSideView(TreeNode* root) { 13 if(root==NULL) return vector<int>(); 14 deque<TreeNode*> que(1,root); 15 vector<int> ans; 16 17 while(!que.empty()) 18 { 19 ans.push_back(que.front()->val); 20 for(int i=que.size(); i>0; i--) ...
【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...
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 { ...
Leetcode 105 思路: public TreeNode buildTree(int[] preorder, int[] inorder) 步骤1: 根结点必定是preorder[0] 即3. 再去找左子树,即inorder数组中,数值3左侧的部分。 右子树,即inorder数组中,数值3右侧的部分。 步骤2: 分别对左子树,右子树进行递归处理。
Second example of BinaryTree which can be represented by LinkedList Let’s have some fun and change our “angle of view”. The same thing can be done with the second example. First example rotated to the left Let’s get back to our task. We need to find out if a given binary tree...
Leetcode 226. Invert Binary Tree \ to 代码语言:javascript 代码运行次数:0 4/\72/\/\9631 Trivia: This problem was inspired bythis original tweetbyMax Howell: Google: 90% of our engineers use the software you wrote (Homebrew), but you can’t invert a binary tree on a whiteboard so fuck...