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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

0 379

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

2 365

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

0 321

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

0 367

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

1 362

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

0 351

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 Solution { /** * * @param...

Java 二叉树

2022-02-11

0 436