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题解 | #二叉搜索树的最近公共祖先#

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

Java

2022-04-23

0 247

题解 | #判断是不是平衡二叉树#

public class Solution { public boolean IsBalanced_Solution(TreeNode root) { if(root == null) return true; if(Math.abs(getHegih(roo...

Java

2022-04-23

0 227

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...

Java

2022-04-21

0 302

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...

Java

2022-04-21

0 292

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...

Java

2022-04-21

0 267

题解 | #合并二叉树#

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

Java

2022-04-21

0 226

题解 | #对称的二叉树#

/* public class TreeNode { int val = 0; TreeNode left = null; TreeNode right = null; public TreeNode(int val) { this.val = va...

Java

2022-04-21

0 272

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 class Sol...

Java

2022-04-21

0 246

题解 | #字符串通配符#

import java.util.*; public class Main{ public static void main(String[] args){ Scanner scan = new Scanner(System.in); String sour...

Java

2022-04-18

0 313

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 val) { ...

Java

2022-04-12

0 253