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题解 | #输出二叉树的右视图#

import java.util.*; public class Solution { public int[] solve (int[] xianxu, int[] zhongxu) { // 重建二叉树 TreeNode tree = reConstru...

Java 二叉树

2022-03-18

0 285

题解 | #重建二叉树#

import java.util.*; public class Solution { public TreeNode reConstructBinaryTree(int [] pre,int [] vin) { if(pre.length==0 || vin.length...

Java 二叉树

2022-03-18

0 315

题解 | #序列化二叉树#

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

Java 二叉树

2022-03-12

0 186

题解 | #二叉树中和为某一值的路径(一)#

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

Java 二叉树

2022-03-12

0 304

题解 | #求二叉树的层序遍历#

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

Java 二叉树

2022-03-11

0 225

题解 | #按之字形顺序打印二叉树#

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

Java 二叉树

2022-03-11

0 207

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 class Sol...

Java 二叉树

2022-03-10

0 224

题解 | #二叉树根节点到叶子节点的所有路径和#

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

Java 二叉树

2022-03-10

0 209