leetcode.cn 2025-07-18
🔴2163.minimum-difference-in-sums-after-removal-of-elements
🏷️ Tags
#array #dynamic_programming #heap_priority_queue
🔴2163.minimum-difference-in-sums-after-removal-of-elements
🏷️ Tags
#array #dynamic_programming #heap_priority_queue
Telegraph
minimum-difference-in-sums-after-removal-of-elements
给你一个下标从 0 开始的整数数组 nums ,它包含 3 * n 个元素。 你可以从 nums 中删除 恰好 n 个元素,剩下的 2 * n 个元素将会被分成两个 相同大小 的部分。
leetcode.com 2025-07-18
🔴2163.minimum-difference-in-sums-after-removal-of-elements
🏷️ Tags
#array #dynamic_programming #heap_priority_queue
🔴2163.minimum-difference-in-sums-after-removal-of-elements
🏷️ Tags
#array #dynamic_programming #heap_priority_queue
Telegraph
minimum-difference-in-sums-after-removal-of-elements
You are given a 0-indexed integer array nums consisting of 3 * n elements. You are allowed to remove any subsequence of elements of size exactly n from nums. The remaining 2 * n elements will be divided into two equal parts:
leetcode.cn 2025-09-17
🟡2349.design-a-number-container-system
🏷️ Tags
#design #hash_table #ordered_set #heap_priority_queue
🟡2349.design-a-number-container-system
🏷️ Tags
#design #hash_table #ordered_set #heap_priority_queue
Telegraph
design-a-number-container-system
设计一个数字容器系统,可以实现以下功能:
leetcode.com 2025-09-17
🟡2353.design-a-food-rating-system
🏷️ Tags
#design #array #hash_table #string #ordered_set #heap_priority_queue
🟡2353.design-a-food-rating-system
🏷️ Tags
#design #array #hash_table #string #ordered_set #heap_priority_queue
Telegraph
design-a-food-rating-system
Design a food rating system that can do the following:
leetcode.cn 2025-09-18
🟡3408.design-task-manager
🏷️ Tags
#design #hash_table #ordered_set #heap_priority_queue
🟡3408.design-task-manager
🏷️ Tags
#design #hash_table #ordered_set #heap_priority_queue
Telegraph
design-task-manager
一个任务管理器系统可以让用户管理他们的任务,每个任务有一个优先级。这个系统需要高效地处理添加、修改、执行和删除任务的操作。 请你设计一个 TaskManager 类:
leetcode.com 2025-09-18
🟡3408.design-task-manager
🏷️ Tags
#design #hash_table #ordered_set #heap_priority_queue
🟡3408.design-task-manager
🏷️ Tags
#design #hash_table #ordered_set #heap_priority_queue
Telegraph
design-task-manager
There is a task management system that allows users to manage their tasks, each associated with a priority. The system should efficiently handle adding, modifying, executing, and removing tasks. Implement the TaskManager class:
leetcode.cn 2025-09-21
🔴1912.design-movie-rental-system
🏷️ Tags
#design #array #hash_table #ordered_set #heap_priority_queue
🔴1912.design-movie-rental-system
🏷️ Tags
#design #array #hash_table #ordered_set #heap_priority_queue
Telegraph
design-movie-rental-system
你有一个电影租借公司和 n 个电影商店。你想要实现一个电影租借系统,它支持查询、预订和返还电影的操作。同时系统还能生成一份当前被借出电影的报告。 所有电影用二维整数数组 entries 表示,其中 entries[i] = [shopi, moviei, pricei] 表示商店 shopi 有一份电影 moviei 的拷贝,租借价格为 pricei 。每个商店有 至多一份 编号为 moviei 的电影拷贝。 系统需要支持以下操作:
leetcode.com 2025-09-21
🔴1912.design-movie-rental-system
🏷️ Tags
#design #array #hash_table #ordered_set #heap_priority_queue
🔴1912.design-movie-rental-system
🏷️ Tags
#design #array #hash_table #ordered_set #heap_priority_queue
Telegraph
design-movie-rental-system
You have a movie renting company consisting of n shops. You want to implement a renting system that supports searching for, booking, and returning movies. The system should also support generating a report of the currently rented movies. Each movie is given…
leetcode.cn 2025-10-03
🔴407.trapping-rain-water-ii
🏷️ Tags
#breadth_first_search #array #matrix #heap_priority_queue
🔴407.trapping-rain-water-ii
🏷️ Tags
#breadth_first_search #array #matrix #heap_priority_queue
Telegraph
trapping-rain-water-ii
给你一个 m x n 的矩阵,其中的值均为非负整数,代表二维高度图每个单元的高度,请计算图中形状最多能接多少体积的雨水。 示例 1: 输入: heightMap = [[1,4,3,1,3,2],[3,2,1,3,2,4],[2,3,3,2,3,1]] 输出: 4 解释: 下雨后,雨水将会被上图蓝色的方块中。总的接雨水量为1+2+1=4。 示例 2: 输入: heightMap = [[3,3,3,3,3],[3,2,2,2,3],[3,2,1,2,3],[3,2,2,2,3],[3,3,3,3,3]]…
leetcode.com 2025-10-03
🔴407.trapping-rain-water-ii
🏷️ Tags
#breadth_first_search #array #matrix #heap_priority_queue
🔴407.trapping-rain-water-ii
🏷️ Tags
#breadth_first_search #array #matrix #heap_priority_queue
Telegraph
trapping-rain-water-ii
Given an m x n integer matrix heightMap representing the height of each unit cell in a 2D elevation map, return the volume of water it can trap after raining. Example 1: Input: heightMap = [[1,4,3,1,3,2],[3,2,1,3,2,4],[2,3,3,2,3,1]] Output: 4 Explanation:…
leetcode.cn 2025-10-06
🔴778.swim-in-rising-water
🏷️ Tags
#depth_first_search #breadth_first_search #union_find #array #binary_search #matrix #heap_priority_queue
🔴778.swim-in-rising-water
🏷️ Tags
#depth_first_search #breadth_first_search #union_find #array #binary_search #matrix #heap_priority_queue
Telegraph
swim-in-rising-water
在一个 n x n 的整数矩阵 grid 中,每一个方格的值 grid[i][j] 表示位置 (i, j) 的平台高度。 当开始下雨时,在时间为 t 时,水池中的水位为 t 。你可以从一个平台游向四周相邻的任意一个平台,但是前提是此时水位必须同时淹没这两个平台。假定你可以瞬间移动无限距离,也就是默认在方格内部游动是不耗时的。当然,在你游泳的时候你必须待在坐标方格里面。 你从坐标方格的左上平台 (0,0) 出发。返回 你到达坐标方格的右下平台 (n-1, n-1) 所需的最少时间 。 示例 1: 输入:…
leetcode.com 2025-10-06
🔴778.swim-in-rising-water
🏷️ Tags
#depth_first_search #breadth_first_search #union_find #array #binary_search #matrix #heap_priority_queue
🔴778.swim-in-rising-water
🏷️ Tags
#depth_first_search #breadth_first_search #union_find #array #binary_search #matrix #heap_priority_queue
Telegraph
swim-in-rising-water
You are given an n x n integer matrix grid where each value grid[i][j] represents the elevation at that point (i, j). It starts raining, and water gradually rises over time. At time t, the water level is t, meaning any cell with elevation less than equal…