import java.util.Queue; import java.util.LinkedList; public class BinaryTreeLevelOrder { public static class TreeNode { int data; TreeNode left; TreeNode right; TreeNode(int data) { this.data=data; } } // prints in level order public static void levelOrderTraversal(TreeNode startNode) {...
}classSolution{publicList<List<Integer>> levelOrder(Node root) { List<List<Integer>> result =newArrayList<>(); levelOrder(root, result,0);returnresult; }publicvoidlevelOrder(Node root, List<List<Integer>> result,intlevel){if(root ==null) {return; }if(result.size() == level) { result...
代码如下: 1publicclassSolution {2publicList<List<Integer>>levelOrder(TreeNode root) {3List<List<Integer>> answerList =newArrayList<List<Integer>>();4TreeNode nextLevelStarter;5Queue<TreeNode> q =newLinkedList<TreeNode>();67q.add(root);8if(root !=null){9if(root.left !=null)10nextLevel...
leetcode 102.二叉树的层序遍历(binary tree level order traversal)C语言 1.description 2.solution 1.description https://leetcode-cn.com/problems/binary-tree-level-order-traversal/description/ 给你一个二叉树,请你返回其按 层序遍历 得...猜你喜欢Leet...
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 ...
leetcode- 102-二叉树的层次遍历(binary tree level order traversal)-java 题目及测试 解法1(成功,2ms,很快) 建立一个queue,一个rowlist, 一个现在层次的节点数num,一个下一层next 将root加入queue 当queue不为空 从queue取出头,num–,将值加入rowlist,将left,right加入queue尾部,next++ 当num为0 则num=...
102. Binary Tree Level Order Traversal 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 3 / \ 9 20 /...
102.binary-tree-level-order-traversal 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], 3 / \ 9 20...
danieldotwav/Average-of-Levels-in-Binary-Tree Star3 Code Issues Pull requests A C++ program that efficiently calculates the average values of nodes at each level in a binary tree, employing a level-order traversal approach for accurate and fast computation. ...
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