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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 v...

2023-07-14

0 104

题解 | #孩子们的游戏(圆圈中最后剩下的数)#

import java.util.*; public class Solution { /** * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可 * * * @param n int整型 * @param ...

2023-07-02

0 137

题解 | #二叉树的中序遍历#

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

2023-04-25

0 101

题解 | #二叉树的后序遍历#

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

2023-04-25

0 148

题解 | #二叉树的前序遍历#

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

2023-04-25

0 125

题解 | #删除链表的倒数第n个节点#

import java.util.*; /* * public class ListNode { * int val; * ListNode next = null; * } */ public class Solution { /** * * @...

2023-04-23

0 174

题解 | #链表中的节点每k个一组翻转#

import java.util.*; /* * public class ListNode { * int val; * ListNode next = null; * } */ public class Solution { /** * * @...

2023-04-23

1 126

题解 | #判断链表中是否有环#

/** * Definition for singly-linked list. * class ListNode { * int val; * ListNode next; * ListNode(int x) { * val = x; * ...

2023-04-21

0 124

题解 | #链表内指定区间反转#

import java.util.*; /* * public class ListNode { * int val; * ListNode next = null; * } */ public class Solution { /** * * @...

2023-04-20

0 170

题解 | #删除有序链表中重复的元素-II#

import java.util.*; /* * public class ListNode { * int val; * ListNode next = null; * } */ public class Solution { /** * * @...

2023-04-20

0 142