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题解 | 在二叉树中找到两个节点的最近公共祖先

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2025-12-08

0 10

题解 | 判断是不是完全二叉树

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2025-12-06

0 13

题解 | 对称的二叉树

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2025-12-05

0 8

题解 | 对称的二叉树

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2025-12-05

0 8

题解 | 二叉树中和为某一值的路径(一)

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2025-12-04

0 12

题解 | 按之字形顺序打印二叉树

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2025-12-03

0 18

题解 | 按之字形顺序打印二叉树

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2025-12-03

0 18

题解 | 求二叉树的层序遍历

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2025-12-03

0 19

题解 | 求二叉树的层序遍历

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2025-12-03

0 17

题解 | 旋转数组的最小数字

import java.util.*; public class Solution { /** * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可 * * * @param nums int整型一维数组 * ...

2025-12-01

0 13