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(共61篇)
题解 | 判断是不是二叉搜索树
import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...
2025-06-26
0
17
题解 | 二叉树的镜像
import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...
2025-06-26
0
13
题解 | 合并二叉树
import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...
2025-06-26
0
12
题解 | 二叉搜索树与双向链表
import java.util.*; /** public class TreeNode { int val = 0; TreeNode left = null; TreeNode right = null; public TreeNode(int val) { ...
2025-06-26
0
14
题解 | 二叉树的最大深度
import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...
2025-06-26
0
14
题解 | 二叉树的后序遍历
import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...
2025-06-26
0
13
题解 | 二叉树的中序遍历
import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...
2025-06-26
0
11
题解 | 二分查找-I
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 * @p...
2025-06-26
0
12
题解 | 删除有序链表中重复的元素-I
import java.util.*; /* * public class ListNode { * int val; * ListNode next = null; * public ListNode(int val) { * this.val = val; * ...
2025-06-26
0
16
题解 | 单链表的排序-小顶堆
import java.util.*; /* * public class ListNode { * int val; * ListNode next = null; * public ListNode(int val) { * this.val = val; * ...
2025-06-24
0
20
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