526互联

子集leetcode 416

Leetcode 1388. 3n 块披萨

（本文只提供了解题思路的思考，[原文作者题解连接](https://leetcode.cn/problems/pizza-with-3n-slices/solutions/527304/dpjie-fa-yu-da-jia-jie-she-2-de-chai-bie-ihso/)) 先把题目粘贴在这 ......
Leetcode 1388 3n

leetcode1372dp求交错路径长

bfd+dp unordered_map<TreeNode* ,int>d,p; queue<pair<TreeNode* ,TreeNode*>>q; int dp(TreeNode* root){ d[root]=p[root]=0; q.push({root,nullptr}); while( ......
路径 leetcode 1372 dp

[LeetCode][70]climbing-stairs

# Content You are climbing a staircase. It takes n steps to reach the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can ......
climbing-stairs LeetCode climbing stairs 70

[LeetCode][53]maximum-subarray

# Content Given an integer array nums, find the subarray with the largest sum, and return its sum. Example 1: Input: nums = [-2,1,-3,4,-1,2,1,-5,4] Ou ......
maximum-subarray LeetCode subarray maximum 53

[LeetCode][55]jump-game

# Content You are given an integer array nums. You are initially positioned at the array's first index, and each element in the array represents your ......
jump-game LeetCode jump game 55

[LeetCode][62]unique-paths

# Content There is a robot on an m x n grid. The robot is initially located at the top-left corner (i.e., grid[0][0]). The robot tries to move to the ......
unique-paths LeetCode unique paths 62

[LeetCode][42]trapping-rain-water

# Content Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raini ......
trapping-rain-water LeetCode trapping water rain

[LeetCode][10]regular-expression-matching

# Content Given an input string s and a pattern p, implement regular expression matching with support for '.' and '*' where: '.' Matches any single ch ......
regular-expression-matching expression LeetCode matching regular

[LeetCode][32]longest-valid-parentheses

# Content Given a string containing just the characters '(' and ')', return the length of the longest valid (well-formed) parentheses substring. Examp ......
longest-valid-parentheses parentheses LeetCode longest valid

[LeetCode][64]minimum-path-sum

# Content Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right, which minimizes the sum of all numbers along ......
minimum-path-sum LeetCode minimum path sum

LeetCode[10]RegularExpressionMatching

# Content Given an input string s and a pattern p, implement regular expression matching with support for '.' and '*' where: '.' Matches any single ch ......
RegularExpressionMatching LeetCode 10

LeetCode[32]LongestValidParentheses

# Content Given a string containing just the characters '(' and ')', return the length of the longest valid (well-formed) parentheses substring. Examp ......
LongestValidParentheses LeetCode 32

LeetCode[42]TrappingRainWater

# Content Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raini ......
TrappingRainWater LeetCode 42

LeetCode[53]MaximumSubarray

# Content Given an integer array nums, find the subarray with the largest sum, and return its sum. Example 1: Input: nums = [-2,1,-3,4,-1,2,1,-5,4] Ou ......
MaximumSubarray LeetCode 53

LeetCode[62]UniquePaths

# Content There is a robot on an m x n grid. The robot is initially located at the top-left corner (i.e., grid[0][0]). The robot tries to move to the ......
UniquePaths LeetCode 62

LeetCode[55]JumpGame

# Content You are given an integer array nums. You are initially positioned at the array's first index, and each element in the array represents your ......
LeetCode JumpGame 55

LeetCode[64]MinimumPathSum

# Content Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right, which minimizes the sum of all numbers along ......
MinimumPathSum LeetCode 64

【LeetCode1270. 向公司CEO汇报工作的所有人】with recursive找到某节点所有的后代

# 题目地址 https://leetcode.cn/problems/all-people-report-to-the-given-manager/description/ # 代码 ``` WITH RECURSIVE cte_subordinates AS ( -- 基础情况: 找到直接下属 ......
节点 后代 recursive LeetCode 所有人

【leetcode】1.two sum

第一题给我干懵了...想达到这个要求把我脑壳都想痛了...Follow-up: Can you come up with an algorithm that is less than O(n2) time complexity? 一开始想过用map，但是不能解决重复key的问题。 然而我用sort， ......
leetcode two sum

分割等和子集(没理解透彻)

给定一个非空的正整数数组 nums ，请判断能否将这些数字分成元素和相等的两部分。 示例 1： 输入：nums = [1,5,11,5] 输出：true 解释：nums 可以分割成 [1, 5, 5] 和 [11] 。 示例 2： 输入：nums = [1,2,3,5] 输出：false 解释：nu ......
子集

LeetCode 1581. 进店却未进行过交易的顾客

##题目 表：Visits ```sql + + + | Column Name | Type | + + + | visit_id | int | | customer_id | int | + + + visit_id 是该表中具有唯一值的列。 该表包含有关光临过购物中心的顾客的信息。 ``` ......
LeetCode 顾客 1581

Leetcode 19. 删除链表的倒数第N个结点(Remove nth node from end of list)

[题目链接](https://leetcode.cn/problems/remove-nth-node-from-end-of-list) 给你一个链表, 删除链表的倒数第n个结点, 并且返回链表的头结点. 示例 1: ``` 输入：head = [1,2,3,4,5], n = 2 输出：[1,2 ......
结点 Leetcode Remove node from

Leetcode148 排序链表

148. 排序链表 - 力扣（LeetCode） /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode() : val(0), next(nullptr ......
Leetcode 148

LeetCode -- 151. 反转字符串中的单词(手写一个trim函数)

本题我们采用 class Solution { public: string reverseWords(string s) { stack<string> stk; int n = s.size(), l = 0, r = n - 1; //trim函数 while(l < n && s[l] == ......
字符串 单词 函数 字符 LeetCode

把数组对象最外层某个属性的值赋值给子集

/* * 功能需求：把数组对象最外层某个属性的值赋值给子集 * arr:要操作的数组对象 * propertyName:要操作的属性名 * value:用来保存最外层对象属性的值 */ function assignValueToChildren(arr, propertyName, value) ......
子集 外层 数组 属性 对象

Docker安装Redis错误Reading the configuration file, at line 416 >>> 'locale-collate ""' Bad directive or wrong number of arguments

docker安装redis报错*** FATAL CONFIG FILE ERROR (Redis 7.0.12) *** Reading the configuration file, at line 416 >>> 'locale-collate ""' Bad directive or wro... ......
quot locale-collate configuration arguments directive

第 358 场周赛 - 力扣（LeetCode）

# [第 358 场周赛 - 力扣（LeetCode）](https://leetcode.cn/contest/weekly-contest-358/) ## [2815. 数组中的最大数对和 - 力扣（LeetCode）](https://leetcode.cn/problems/max-pai ......
LeetCode 358

【leetcode】404 左叶子之和

https://leetcode.cn/problems/sum-of-left-leaves/description/ 【分析】 该题要求左叶子之和。 如果我们对当前节点进行叶子节点的判断，那么我们是不知道当前节点是左叶子还是右叶子的。 所以我们应该在叶子结点的上层（父节点）进行判断。 【代码】 ......
之和 leetcode 叶子 404

[LeetCode] 2682. Find the Losers of the Circular Game

There are n friends that are playing a game. The friends are sitting in a circle and are numbered from 1 to n in clockwise order. More formally, movin ......
the LeetCode Circular Losers 2682

LeetCode -- 19. 删除链表的倒数第 N 个结点

一般的删除问题，可以直接删除（找符合条件的，找到了直接删掉），延迟删除（打标记，找完了再删除），栈，双指针 在链表中删除一个节点，要找到其前面一个节点cur, 然后 cur -> next = cur -> next -> next即可 方法一：直接删除 我们先算出链表长度len，要删除倒第n个节点 ......
结点 LeetCode 19
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