N-ary Tree Level Order Traversal 参考资料: https://leetcode.com/problems/binary-tree-level-order-traversal/ https://leetcode.com/problems/binary-tree-level-order-traversal/discuss/33445/Java-Solution-using-DFS https://leetcode.com/problems/binary-tree-level-order-traversal/discuss/33450/Java-solu...
LeetCode 0102. Binary Tree Level Order Traversal二叉树的层次遍历【Medium】【Python】【BFS】 Problem LeetCode Given a binary tree, return thelevel ordertraversal of its nodes' values. (ie, from left to right, level by level). For example: Given binary tree[3,9,20,null,null,15,7], 3 ...
fromcollectionsimportdeque# 定义二叉树节点classTreeNode:def__init__(self,val=0,left=None,right=None):self.val=valself.left=leftself.right=rightdeflevelOrder(root):# 如果根节点为空,返回空列表ifnotroot:return[]# 初始化队列和结果列表queue=deque([root])result=[]whilequeue:level_size=len(queue...
push(NULL); 29 int nLevelCount = 1; 30 while (true) { 31 TreeNode *pTemp = tree_queue.front(); 32 tree_queue.pop(); 33 if (pTemp == NULL) { 34 if (nLevelCount%2 == 0) { //if the num of level is odd, swap the ivec; 35 Swap(ivec); 36 } 37 tree_vector.push_...
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example: Given binary tree [3,9,20,null,null,15,7], 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ...
Given a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For example: Given binary tree[3,9,20,null,null,15,7], 3 / \ 9 20 / \ 15 7 ...
Given a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For example: Given binary tree {3,9,20,#,#,15,7}, 3 / \
Can you solve this real interview question? Binary Tree Level Order Traversal - Given the root of a binary tree, return the level order traversal of its nodes' values. (i.e., from left to right, level by level). Example 1: [https://assets.leetcode.c
老规则,为方便验证,找一下leetcode的原题不难发现对应着leetcode上的第103题——Binary Tree Zigzag Level Order Traversal (蛇形遍历二叉树)。 原题 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 ...
Binary Tree Level Order Traversal -https://leetcode.com/problems/binary-tree-level-order-traversal/ Serialize and Deserialize Binary Tree -https://leetcode.com/problems/serialize-and-deserialize-binary-tree/ Subtree of Another Tree -https://leetcode.com/problems/subtree-of-another-tree/ ...