Grandyang

2022年3月25日

[LeetCode] 1290. Convert Binary Number in a Linked List to Integer 二进制链表转整数

摘要： Given head which is a reference node to a singly-linked list. The value of each node in the linked list is either 0 or 1. The linked list holds the bi 阅读全文

posted @ 2022-03-25 22:55 Grandyang 阅读(516) 评论(0) 推荐(0)

[LeetCode] 1289. Minimum Falling Path Sum II 下降路径最小和之二

摘要： Given an n x n integer matrix grid, return the minimum sum of a falling path with non-zero shifts. A falling path with non-zero shifts is a choice of 阅读全文

posted @ 2022-03-25 11:01 Grandyang 阅读(705) 评论(0) 推荐(0)

2022年3月22日

[LeetCode] 1288. Remove Covered Intervals 删除被覆盖区间

摘要： Given an array intervals where intervals[i] = [li, ri] represent the interval [li, ri), remove all intervals that are covered by another interval in t 阅读全文

posted @ 2022-03-22 13:45 Grandyang 阅读(509) 评论(0) 推荐(0)

2022年3月20日

[LeetCode] 1287. Element Appearing More Than 25% In Sorted Array 有序数组中出现次数超过25%的元素

摘要： Given an integer array sorted in non-decreasing order, there is exactly one integer in the array that occurs more than 25% of the time, return that in 阅读全文

posted @ 2022-03-20 08:31 Grandyang 阅读(461) 评论(0) 推荐(0)

2022年3月7日

[LeetCode] 1286. Iterator for Combination 字母组合迭代器

摘要： Design the CombinationIterator class: CombinationIterator(string characters, int combinationLength) Initializes the object with a string characters of 阅读全文

posted @ 2022-03-07 13:54 Grandyang 阅读(421) 评论(0) 推荐(0)

2022年2月28日

[LeetCode] 1284. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix 转化为全零矩阵的最少反转次数

摘要： Given a m x n binary matrix mat. In one step, you can choose one cell and flip it and all the four neighbors of it if they exist (Flip is changing 1 t 阅读全文

posted @ 2022-02-28 23:52 Grandyang 阅读(551) 评论(0) 推荐(0)

2022年1月17日

[LeetCode] 1283. Find the Smallest Divisor Given a Threshold 使结果不超过阈值的最小除数

摘要： Given an array of integers nums and an integer threshold, we will choose a positive integer divisor, divide all the array by it, and sum the division' 阅读全文

posted @ 2022-01-17 20:34 Grandyang 阅读(429) 评论(0) 推荐(0)

2022年1月14日

[LeetCode] 1282. Group the People Given the Group Size They Belong To 用户分组

摘要： There are n people that are split into some unknown number of groups. Each person is labeled with a unique ID from 0 to n - 1. You are given an intege 阅读全文

posted @ 2022-01-14 19:58 Grandyang 阅读(426) 评论(0) 推荐(0)

2022年1月7日

[LeetCode] 1281. Subtract the Product and Sum of Digits of an Integer 整数的各位积和之差

摘要： Given an integer number n, return the difference between the product of its digits and the sum of its digits. Example 1: Input: n = 234 Output: 15 Exp 阅读全文

posted @ 2022-01-07 19:06 Grandyang 阅读(349) 评论(0) 推荐(0)

2022年1月3日

[LeetCode] 1278. Palindrome Partitioning III 拆分回文串之三

摘要： You are given a string s containing lowercase letters and an integer k. You need to : First, change some characters of s to other lowercase English le 阅读全文

posted @ 2022-01-03 11:18 Grandyang 阅读(554) 评论(0) 推荐(0)

2021年12月26日

[LeetCode] 1277. Count Square Submatrices with All Ones 统计全为 1 的正方形子矩阵

摘要： Given a m * n matrix of ones and zeros, return how many square submatrices have all ones. Example 1: Input: matrix = [ [0,1,1,1], [1,1,1,1], [0,1,1,1] 阅读全文

posted @ 2021-12-26 14:03 Grandyang 阅读(879) 评论(0) 推荐(0)

2021年12月23日

[LeetCode] 1276. Number of Burgers with No Waste of Ingredients 不浪费原料的汉堡制作方案

摘要： Given two integers tomatoSlices and cheeseSlices. The ingredients of different burgers are as follows: Jumbo Burger: 4 tomato slices and 1 cheese slic 阅读全文

posted @ 2021-12-23 12:58 Grandyang 阅读(295) 评论(0) 推荐(0)

2021年12月19日

[LeetCode] 1275. Find Winner on a Tic Tac Toe Game 找出井字棋的获胜者

摘要： Tic-tac-toe is played by two players A and B on a 3 x 3 grid. The rules of Tic-Tac-Toe are: Players take turns placing characters into empty squares ' 阅读全文

posted @ 2021-12-19 13:09 Grandyang 阅读(806) 评论(0) 推荐(0)

2021年12月17日

[LeetCode] 1269. Number of Ways to Stay in the Same Place After Some Steps 停在原地的方案数

摘要： You have a pointer at index 0 in an array of size arrLen. At each step, you can move 1 position to the left, 1 position to the right in the array, or 阅读全文

posted @ 2021-12-17 16:35 Grandyang 阅读(524) 评论(0) 推荐(0)

2021年12月12日

[LeetCode] 1268. Search Suggestions System 搜索推荐系统

摘要： Given an array of strings products and a string searchWord. We want to design a system that suggests at most three product names from products after e 阅读全文

posted @ 2021-12-12 16:44 Grandyang 阅读(1060) 评论(0) 推荐(0)

2021年12月8日

[LeetCode] 1266. Minimum Time Visiting All Points 访问所有点的最小时间

摘要： On a 2D plane, there are n points with integer coordinates points[i] = [xi, yi]. Return *the minimum time in seconds to visit all the points in the or 阅读全文

posted @ 2021-12-08 10:29 Grandyang 阅读(497) 评论(0) 推荐(0)

2021年12月5日

[LeetCode] 1263. Minimum Moves to Move a Box to Their Target Location 推箱子

摘要： A storekeeper is a game in which the player pushes boxes around in a warehouse trying to get them to target locations. The game is represented by an m 阅读全文

posted @ 2021-12-05 15:39 Grandyang 阅读(810) 评论(0) 推荐(0)

2021年12月1日

[LeetCode] 1262. Greatest Sum Divisible by Three 可被三整除的最大和

摘要： Given an array nums of integers, we need to find the maximum possible sum of elements of the array such that it is divisible by three. Example 1: Inpu 阅读全文

posted @ 2021-12-01 14:42 Grandyang 阅读(874) 评论(0) 推荐(0)

2021年11月27日

[LeetCode] 1261. Find Elements in a Contaminated Binary Tree 在受污染的二叉树中查找元素

摘要： Given a binary tree with the following rules: root.val == 0 If treeNode.val == x and treeNode.left != null, then treeNode.left.val == 2 * x + 1 If tre 阅读全文

posted @ 2021-11-27 14:07 Grandyang 阅读(397) 评论(0) 推荐(0)

2021年11月23日

[LeetCode] 1260. Shift 2D Grid 二维网格迁移

摘要： Given a 2D grid of size m x n and an integer k. You need to shift the grid k times. In one shift operation: Element at grid[i][j] moves to grid[i][j + 阅读全文

posted @ 2021-11-23 23:58 Grandyang 阅读(2003) 评论(0) 推荐(0)

2021年11月22日

[LeetCode] 1255. Maximum Score Words Formed by Letters 得分最高的单词集合

摘要： Given a list of words, list of single letters (might be repeating) and score of every character. Return the maximum score of any valid set of words fo 阅读全文

posted @ 2021-11-22 02:05 Grandyang 阅读(941) 评论(0) 推荐(0)

2021年11月19日

[LeetCode] 1254. Number of Closed Islands 统计封闭岛屿的数目

摘要： Given a 2D grid consists of 0s (land) and 1s (water). An island is a maximal 4-directionally connected group of 0s and a closed island is an island to 阅读全文

posted @ 2021-11-19 11:04 Grandyang 阅读(1170) 评论(0) 推荐(0)

2021年11月14日

[LeetCode] 1253. Reconstruct a 2-Row Binary Matrix 重构 2 行二进制矩阵

摘要： Given the following details of a matrix with n columns and 2 rows : The matrix is a binary matrix, which means each element in the matrix can be 0 or 阅读全文

posted @ 2021-11-14 05:38 Grandyang 阅读(501) 评论(0) 推荐(0)

2021年11月10日

[LeetCode] 1252. Cells with Odd Values in a Matrix 奇数值单元格的数目

摘要： There is an m x n matrix that is initialized to all 0's. There is also a 2D array indices where each indices[i] = [ri, ci] represents a 0-indexed loca 阅读全文

posted @ 2021-11-10 11:55 Grandyang 阅读(587) 评论(0) 推荐(0)

2021年11月8日

[LeetCode] 1250. Check If It Is a Good Array 检查好数组

摘要： Given an array nums of positive integers. Your task is to select some subset of nums, multiply each element by an integer and add all these numbers. T 阅读全文

posted @ 2021-11-08 12:33 Grandyang 阅读(492) 评论(0) 推荐(0)

2021年11月6日

[LeetCode] 1249. Minimum Remove to Make Valid Parentheses 移除无效的括号

摘要： Given a string s of '(' , ')' and lowercase English characters. Your task is to remove the minimum number of parentheses ( '(' or ')', in any position 阅读全文

posted @ 2021-11-06 09:29 Grandyang 阅读(1901) 评论(1) 推荐(0)

2021年10月31日

[LeetCode] 1248. Count Number of Nice Subarrays 统计优美子数组

摘要： Given an array of integers nums and an integer k. A continuous subarray is called nice if there are k odd numbers on it. Return the number of nice sub 阅读全文

posted @ 2021-10-31 09:42 Grandyang 阅读(859) 评论(0) 推荐(0)

2021年10月23日

[LeetCode] 1247. Minimum Swaps to Make Strings Equal 交换字符使得字符串相同

摘要： You are given two strings s1 and s2 of equal length consisting of letters "x" and "y" only. Your task is to make these two strings equal to each other 阅读全文

posted @ 2021-10-23 13:04 Grandyang 阅读(619) 评论(0) 推荐(0)

2021年10月21日

[AWS] Solve Error: Uploaded file must be a non-empty zip

摘要： If you got the following error when run the sam deploy : CREATE_FAILED AWS::Lambda::Function <YourFunctionName> Resource handler Function returned mes 阅读全文

posted @ 2021-10-21 13:06 Grandyang 阅读(1364) 评论(0) 推荐(0)

2021年10月20日

[LeetCode] 1240. Tiling a Rectangle with the Fewest Squares 铺瓷砖

摘要： Given a rectangle of size n x m, return the minimum number of integer-sided squares that tile the rectangle. Example 1: Input: n = 2, m = 3 Output: 3 阅读全文

posted @ 2021-10-20 13:31 Grandyang 阅读(1110) 评论(0) 推荐(0)

2021年10月17日

[LeetCode] 1239. Maximum Length of a Concatenated String with Unique Characters 串联字符串的最大长度

摘要： You are given an array of strings arr. A string s is formed by the concatenation of a subsequence of arr that has unique characters. Return the maximu 阅读全文

posted @ 2021-10-17 11:36 Grandyang 阅读(950) 评论(0) 推荐(0)

2021年10月14日

Solve Warning: The elevation provided <Paper elevation={24}> is not available in the theme.

摘要： If you got the following warning: The elevation provided <Paper elevation={24}> is not available in the theme. Please make sure that `theme.shadows[24 阅读全文

posted @ 2021-10-14 22:51 Grandyang 阅读(457) 评论(0) 推荐(0)

[LeetCode] 1238. Circular Permutation in Binary Representation 循环码排列

摘要： Given 2 integers n and start. Your task is return any permutation p of (0,1,2.....,2^n -1) such that : p[0] = start p[i] and p[i+1] differ by only one 阅读全文

posted @ 2021-10-14 10:18 Grandyang 阅读(384) 评论(0) 推荐(0)

2021年10月12日

[LeetCode] 1237. Find Positive Integer Solution for a Given Equation 找出给定方程的正整数解

摘要： Given a callable function f(x, y) with a hidden formula and a value z, reverse engineer the formula and return *all positive integer pairs x and y whe 阅读全文

posted @ 2021-10-12 12:28 Grandyang 阅读(421) 评论(0) 推荐(0)

2021年10月11日

[LeetCode] 1235. Maximum Profit in Job Scheduling 规划兼职工作

摘要： We have n jobs, where every job is scheduled to be done from startTime[i] to endTime[i], obtaining a profit of profit[i]. You're given the startTime, 阅读全文

posted @ 2021-10-11 02:04 Grandyang 阅读(1955) 评论(0) 推荐(0)

2021年10月7日

[LeetCode] 1234. Replace the Substring for Balanced String 替换子串得到平衡字符串

摘要： You are given a string containing only 4 kinds of characters 'Q', 'W', 'E' and 'R'. A string is said to be balancedif each of its characters appears n 阅读全文

posted @ 2021-10-07 23:28 Grandyang 阅读(524) 评论(1) 推荐(0)

[AWS] Solve CodeBuild Issue: Certificate verification failed: The certificate is NOT trusted

摘要： If the CodeBuild failed with following issue: Err:4 https://deb.nodesource.com/node_14.x focal Release Certificate verification failed: The certificat 阅读全文

posted @ 2021-10-07 12:55 Grandyang 阅读(792) 评论(0) 推荐(0)

2021年10月6日

[LeetCode] 1233. Remove Sub-Folders from the Filesystem 删除子文件夹

摘要： Given a list of folders folder, return the folders after removing all sub-folders in those folders. You may return the answer in any order. If a folde 阅读全文

posted @ 2021-10-06 11:46 Grandyang 阅读(403) 评论(0) 推荐(0)

2021年10月4日

Solve Error: ENFILE: file table overflow

摘要： When you run: hexo clean && hexo g You might get the following error: err: [Error: ENFILE: file table overflow, open '/<YourFilePath>/<YourFile>'] { e 阅读全文

posted @ 2021-10-04 07:56 Grandyang 阅读(676) 评论(0) 推荐(0)

2021年10月3日

[LeetCode] 1232. Check If It Is a Straight Line 缀点成线

摘要： You are given an array coordinates, coordinates[i] = [x, y], where [x, y] represents the coordinate of a point. Check if these points make a straight 阅读全文

posted @ 2021-10-03 07:23 Grandyang 阅读(604) 评论(0) 推荐(0)

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