Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node 利用递归的思路,遍历分别遍历左右子树,每次判断左右子树哪个深,返回深的一方便是二叉树的深度,具体代码如下: 1/**2* Definition for binar...
The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. 解法1:很简单的DFS递归。 /** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x...
https://leetcode.com/problems/maximum-depth-of-binary-tree/ 题目: Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. 思路: ...
LeetCode Maximum Depth of Binary Tree (求树的深度),题意:给一棵二叉树,求其深度。思路:递归比较简洁,先求左子树深度,再求右子树深度,比较其结果,返回:max_one+1。1/**2*Definitionforabinarytreenode.3*structTreeNode{4*intval;5...
[Leetcode] 104. Maximum Depth of Binary Tree 2019-12-08 11:38 −1 int depth = 0; 2 int currentMaxDepth = 0; 3 public int maxDepth(TreeNode root) { 4 if(root == null){ 5 ret... seako 0 294 【leetcode】1276. Number of Burgers with No Waste of Ingredients ...
*/publicclassSolution{public intmaxDepth(TreeNode root){returnroot==null?0:1+Math.max(maxDepth(root.left),maxDepth(root.right));}} 一行解决问题。 fuck. 也就只能在简单题里面装个逼了 Anyway, Good luck, Richardo! DFS recursion My code: ...
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https://leetcode.com/problems/maximum-depth-of-n-ary-tree/ 简化版:https://leetcode.com/problems/maximum-depth-of-binary-tree/ 此后约定:存进Queue 或者Stack的对象一定不能是null。 非递归方法:实际上是BFS按层级遍历; 递归方法: 2.1 套用分层遍历:保留每一层的最大深度,而不是每个数量; ...
Given the root of a binary tree, return its maximum depth.A binary tree's maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. 英文版地址 leetcode.com/problems/m 中文版描述 给定一个二叉树,找出其最大深度。二叉树的深度为根节点到...
“Bottom-up”solution /*** Definition for a binary tree node.* struct TreeNode {* int val;* TreeNode *left;* TreeNode *right;* TreeNode(int x) : val(x), left(NULL), right(NULL) {}* };*/classSolution{public:intmaxDepth(TreeNode*root){intdepth=0;if(root==NULL)returndepth;retu...