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题解 | #二叉搜索树的后序遍历序列#

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

Java

2022-01-29

0 274

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; &n...

Java

2022-01-20

0 268

题解 | #树的子结构#

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

Java

2022-01-19

0 296

题解 | #树的子结构#

/** public class TreeNode { int val = 0; TreeNode left = null; TreeNode right = null; public TreeNode(int val) { this.val = val; } } */ //史上最烂代码...

Java

2022-01-19

0 327

题解 | #重建二叉树#

import java.util.*; /** Definition for binary tree public class TreeNode { int val; TreeNode left; TreeNode right; TreeNode(int x) { va...

Java

2022-01-15

0 291

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

2022-01-14

0 336

题解 | #按之字形顺序打印二叉树#

import java.util.ArrayList; import java.util.LinkedList; import java.util.Queue; import java.util.Stack; /* public class TreeNode { int val = 0; TreeN...

Java

2022-01-14

0 345

题解 | #删除链表中重复的结点#

/* public class ListNode { int val; ListNode next = null; ListNode(int val) { this.val = val; } } */ //全网最差的解题代码，大家凑合看吧。 import java.util.ArrayLi...

Java

2022-01-13

0 304

题解 | #删除链表的节点#

import java.util.*; /* public class ListNode { int val; ListNode next = null; public ListNode(int val) { this.val = val; } } */ public class Solu...

Java

2022-01-13

0 268

题解 | #复杂链表的复制#

/* public class RandomListNode { int label; RandomListNode next = null; RandomListNode random = null; RandomListNode(int label) { this.label = lab...

Java

2022-01-13

0 338