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题解 | #有重复项数字的所有排列#

public class Solution { boolean[] marked; public ArrayList<ArrayList<Integer>> permuteUnique(int[] num) { //存储总的返回结果 ...

Java

2021-12-09

0 507

题解 | #没有重复项数字的所有排列#

public class Solution { public ArrayList<ArrayList<Integer>> permute(int[] num) { ArrayList<ArrayList<Integer>> re...

Java

2021-12-09

1 572

题解 | #合并区间#

/** * Definition for an interval. * public class Interval { * int start; * int end; * Interval() { start = 0; end = 0; } * Inter...

Java

2021-12-09

18 694

题解 | #矩阵的最小路径和#

public class Solution { /** * * @param matrix int整型二维数组 the matrix * @return int整型 */ public int minPathSum (int[][] matr...

Java

2021-11-27

0 323

题解 | #岛屿数量#

public class Solution { /** * 判断岛屿数量 * @param grid char字符型二维数组 * @return int整型 */ public int solve (char[][] grid) { ...

Java

2021-11-24

0 354

题解 | #最长上升子序列(三)#

//https://www.nowcoder.com/questionTerminal/9cf027bf54714ad889d4f30ff0ae5481?commentTags=Java public class Solution { /** * retrun the longe...

Java

2021-11-24

0 368

题解 | #字符串出现次数的TopK问题#

public class Solution { /** * return topK string * @param strings string字符串一维数组 strings * @param k int整型 the k * @return strin...

Java

2021-11-23

0 338

题解 | #删除链表的倒数第n个节点#

/* * public class ListNode { * int val; * ListNode next = null; * } */ public class Solution { /** * * @param head ListNode类 ...

Java

2021-11-22

0 293

题解 | #删除有序链表中重复的元素-II#

/* * public class ListNode { * int val; * ListNode next = null; * } */ public class Solution { /** * * @param head ListNode类 ...

Java

2021-11-22

0 341

题解 | #链表中的节点每k个一组翻转#

/* * public class ListNode { * int val; * ListNode next = null; * } */ public class Solution { /** * * @param head ListNode类 ...

Java

2021-11-21

1 330