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题解 | #二叉树中和为某一值的路径(二)#

import java.util.HashMap; import java.util.Stack; import java.util.LinkedList; /** public class TreeNode { int val = 0; TreeNode left = null; ...

Java

2022-03-06

0 335

题解 | #二维数组中的查找#

public class Solution { public boolean Find(int target, int [][] array) { if (0 == array.length) { return false; } ...

Java

2022-03-05

0 432

题解 | #链表的奇偶重排#

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

Java

2022-03-05

0 370

题解 | #判断一个链表是否为回文结构#

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

Java

2022-03-05

0 403

题解 | #单链表的排序#

import java.util.Arrays; import java.util.ArrayList; /* * public class ListNode { * int val; * ListNode next = null; * } */ public class So...

Java

2022-03-05

0 425

题解 | #连续子数组的最大和#

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

Java

2022-03-05

0 366

题解 | #寻找第K大#

import java.util.ArrayList; public class Solution { public int findKth(int[] a, int n, int K) { // write code here // 思路：快排 ...

Java

2022-03-04

0 295

题解 | #求二叉树的层序遍历#

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

Java

2022-03-02

0 308