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题解 | #对称的二叉树#

/* public class TreeNode { int val = 0; TreeNode left = null; TreeNode right = null; public Tr...

Java 二叉树递归

2022-04-16

0 359

题解 | #求二叉树的层序遍历#

import java.util.*; import java.util.ArrayList; import java.util.List; import java.util.Queue; import java.util.concurrent.ArrayBlockingQueue; /* &nb...

Java 二叉树队列阻塞队列

2022-04-15

0 378

题解 | #二叉树的中序遍历#

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

Java 二叉树递归迭代

2022-03-24

0 370

题解 | #二叉树的后序遍历#

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

Java 二叉树递归后根遍历迭代

2022-03-24

0 441

题解 | #二叉树的前序遍历#

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

Java 二叉树递归迭代遍历

2022-03-24

0 363

题解 | #二叉树的中序遍历#

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

Java 二叉树栈

2021-12-15

0 509

题解 | #实现二叉树先序，中序和后序遍历#

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

Java 二叉树

2021-10-23

0 356

题解 | #按之字形顺序打印二叉树#

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

Java 栈二叉树

2021-10-23

0 351

题解 | #在二叉树中找到两个节点的最近公共祖先#

import java.util.*; //采用递归方法，二叉树解题的常用方法 /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * } *...

Java 二叉树递归

2021-10-22

0 331

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 class Sol...

Java 二叉树哈希表链表

2021-10-22

0 336