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题解 | #序列化二叉树#

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

Java 二叉树广度优先搜索

2022-02-13

0 326

题解 | #二叉搜索树的后序遍历序列重点在于扣边界条件#

import java.util.*; public class Solution { public boolean VerifySquenceOfBST(int [] sequence) { if(sequence.length == 0){ return false; ...

Java 二叉树递归

2022-02-12

0 406

题解 | #对称的二叉树递归#

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

Java 二叉树递归

2022-02-12

0 270

题解 | #二叉树中和为某一值的路径(二)#

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

Java 二叉树

2022-02-12

0 335

题解 | #从上往下打印二叉树#

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

Java 二叉树

2022-02-12

0 382

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 val) { this.val = val; ...

Java 二叉树分治

2022-02-12

2 367

题解 | #重建二叉树#

import java.util.*; import java.util.Arrays; /** Definition for binary tree public class TreeNode { int val; TreeNode left; TreeNode right; ...

Java 二叉树

2022-02-11

0 325

题解 | #二叉搜索树的第k个节点#

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

Java 二叉树

2022-02-11

0 370

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) { this.val = val...

Java 二叉树广度优先搜索

2022-02-11

1 366

题解 | #二叉树的下一个结点#

/* public class TreeLinkNode { int val; TreeLinkNode left = null; TreeLinkNode right = null; TreeLinkNode next = null; TreeLinkNode(int val) { thi...

Java 二叉树

2022-02-11

0 355