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题解 | #字典序排列#

import java.util.*; /** * NC362 字典序排列 * @author d3y1 */ public class Solution { ArrayList<Integer> result = new ArrayList<>(); ...

2024-04-19

0 237

题解 | #城市群数量#

import java.util.*; /** * NC345 城市群数量 * @author d3y1 */ public class Solution { private int result = 0; private int N; private boolean...

2024-04-18

0 279

题解 | #二叉树展开为单链表#

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

2024-04-17

0 213

题解 | #电话号码的字母组合#

import java.util.*; /** * NC329 电话号码的字母组合 * @author d3y1 */ public class Solution { private HashMap<Character, String> numLettersMap = n...

2024-04-16

0 194

题解 | #体育课测验(二)#

import java.util.*; /** * NC316 体育课测验(二) * @author d3y1 */ public class Solution { private int V; private HashSet<Integer>[] adj; ...

2024-04-15

0 319

题解 | #体育课测验(一)#

import java.util.*; /** * NC314 体育课测验(一) * @author d3y1 */ public class Solution { // 邻接节点 private HashSet<Integer>[] adj; // 入度...

2024-04-15

1 262

题解 | #矩阵中的路径#

import java.util.*; /** * NC285 矩阵中的路径 * @author d3y1 */ public class Solution { private int LEN; private boolean isFound = false; pri...

2024-04-14

0 224

题解 | #二叉树的最小深度#

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

2024-04-14

0 183

题解 | #被围绕的区域#

import java.util.*; /** * NC226 被围绕的区域 * @author d3y1 */ public class Solution { private int[] dx = new int[]{0, 1, 0, -1}; private int[] ...

2024-04-13

0 259

题解 | #将二叉搜索树改为累加树#

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

2024-04-13

0 175