at(len-1-i) = temp; 16 } 17 } 18 19 vector<vector <int> > zigzagLevelOrder(TreeNode *root) 20 { 21 vector<vector<int> > tree_vector; 22 vector<int> ivec; 23 queue<TreeNode *> tree_queue; 24 if (NULL == root) 25
Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between). For example: Given binary tree{3,9,20,#,#,15,7}, 3 / \ 9 20 / \ 15 7 return its zigzag level order travers...
Given a binary tree,returnthe zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between).For example: Given binary tree [3,9,20,null,null,15,7],3 /\9 20 /\15 7returnits zigzag level order traversal as...
public: vector<vector<int>> zigzagLevelOrder(TreeNode* root) { vector<vector<int> > result; if(!root)returnresult; levelTraversal(root,1,true, result); returnresult; } voidlevelTraversal(TreeNode* root,intlevel,intleftToRight,vector<vector<int> >& result){ if(!root)return; if(result.si...
zigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between). For example: Given binary tree[3,9,20,null,null,15,7], 3 / \ 9 20 / \ 15 7 1.
来自专栏 · LeetCode刷题 题目描述(中等难度) 和102 题 类似,二叉树的层次遍历。只不过这题要求,第 1 层从左到右,第 2 层从右到左,第 3 层从左到右,第 4 层从右到左,交替进行。 思路分析 大家可以先做下 102 题 吧,直接在 102 题的基础上进行修改即可。从左到右和从右到左交替,所以我们只需要...
LeetCode 103. Binary Tree Zigzag Level Order Traversal 原题链接在这里:https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal/ 题目: Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next ...
Binary Tree Zigzag Level Order Traversal.md Verified 4300b6d colorbox mentioned this pull request Mar 1, 2025 103. Binary Tree Zigzag Level Order Traversal colorbox/leetcode#41 Open Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment ...
hroc135/leetcode#26 olsen-blue/Arai60#27 103. Binary Tree Zigzag Level Order Traversal 58b6ace olsen-blue reviewed Mar 2, 2025 View reviewed changes 103/step3.cpp vector<TreeNode*> current_level_nodes = {root}; while (!current_level_nodes.empty()) { vector<TreeNode*> next_lev...
103. Binary Tree Zigzag Level Order Traversal Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between). For example: Given binary tree [3,9,20,null,null,15,7], 代码语言:...