leetcode.cn 2025-11-05
🔴3321.find-x-sum-of-all-k-long-subarrays-ii
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
🔴3321.find-x-sum-of-all-k-long-subarrays-ii
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
Telegraph
find-x-sum-of-all-k-long-subarrays-ii
给你一个由 n 个整数组成的数组 nums,以及两个整数 k 和 x。 数组的 x-sum 计算按照以下步骤进行:
leetcode.com 2025-11-05
🔴3321.find-x-sum-of-all-k-long-subarrays-ii
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
🔴3321.find-x-sum-of-all-k-long-subarrays-ii
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
Telegraph
find-x-sum-of-all-k-long-subarrays-ii
You are given an array nums of n integers and two integers k and x. The x-sum of an array is calculated by the following procedure:
leetcode.cn 2025-11-06
🟡3607.power-grid-maintenance
🏷️ Tags
#depth_first_search #breadth_first_search #union_find #graph #array #hash_table #ordered_set #heap_priority_queue
🟡3607.power-grid-maintenance
🏷️ Tags
#depth_first_search #breadth_first_search #union_find #graph #array #hash_table #ordered_set #heap_priority_queue
Telegraph
power-grid-maintenance
给你一个整数 c,表示 c 个电站,每个电站有一个唯一标识符 id,从 1 到 c 编号。 这些电站通过 n 条 双向 电缆互相连接,表示为一个二维数组 connections,其中每个元素 connections[i] = [ui, vi] 表示电站 ui 和电站 vi 之间的连接。直接或间接连接的电站组成了一个 电网 。 最初,所有 电站均处于在线(正常运行)状态。 另给你一个二维数组 queries,其中每个查询属于以下 两种类型之一 :
leetcode.com 2025-11-06
🟡3607.power-grid-maintenance
🏷️ Tags
#depth_first_search #breadth_first_search #union_find #graph #array #hash_table #ordered_set #heap_priority_queue
🟡3607.power-grid-maintenance
🏷️ Tags
#depth_first_search #breadth_first_search #union_find #graph #array #hash_table #ordered_set #heap_priority_queue
Telegraph
power-grid-maintenance
You are given an integer c representing c power stations, each with a unique identifier id from 1 to c (1‑based indexing). These stations are interconnected via n bidirectional cables, represented by a 2D array connections, where each element connections[i]…
leetcode.cn 2025-12-23
🟡2054.two-best-non-overlapping-events
🏷️ Tags
#array #binary_search #dynamic_programming #sorting #heap_priority_queue
🟡2054.two-best-non-overlapping-events
🏷️ Tags
#array #binary_search #dynamic_programming #sorting #heap_priority_queue
Telegraph
two-best-non-overlapping-events
给你一个下标从 0 开始的二维整数数组 events ,其中 events[i] = [startTimei, endTimei, valuei] 。第 i 个活动开始于 startTimei ,结束于 endTimei ,如果你参加这个活动,那么你可以得到价值 valuei 。你 最多 可以参加 两个时间不重叠 活动,使得它们的价值之和 最大 。 请你返回价值之和的 最大值 。 注意,活动的开始时间和结束时间是 包括 在活动时间内的,也就是说,你不能参加两个活动且它们之一的开始时间等于另一个活动的结束…
leetcode.com 2025-12-23
🟡2054.two-best-non-overlapping-events
🏷️ Tags
#array #binary_search #dynamic_programming #sorting #heap_priority_queue
🟡2054.two-best-non-overlapping-events
🏷️ Tags
#array #binary_search #dynamic_programming #sorting #heap_priority_queue
Telegraph
two-best-non-overlapping-events
You are given a 0-indexed 2D integer array of events where events[i] = [startTimei, endTimei, valuei]. The ith event starts at startTimei and ends at endTimei, and if you attend this event, you will receive a value of valuei. You can choose at most two non…
leetcode.cn 2025-12-27
🔴2402.meeting-rooms-iii
🏷️ Tags
#array #hash_table #sorting #simulation #heap_priority_queue
🔴2402.meeting-rooms-iii
🏷️ Tags
#array #hash_table #sorting #simulation #heap_priority_queue
Telegraph
meeting-rooms-iii
给你一个整数 n ,共有编号从 0 到 n - 1 的 n 个会议室。 给你一个二维整数数组 meetings ,其中 meetings[i] = [starti, endi] 表示一场会议将会在 半闭 时间区间 [starti, endi) 举办。所有 starti 的值 互不相同 。 会议将会按以下方式分配给会议室:
leetcode.com 2025-12-27
🔴2402.meeting-rooms-iii
🏷️ Tags
#array #hash_table #sorting #simulation #heap_priority_queue
🔴2402.meeting-rooms-iii
🏷️ Tags
#array #hash_table #sorting #simulation #heap_priority_queue
Telegraph
meeting-rooms-iii
You are given an integer n. There are n rooms numbered from 0 to n - 1. You are given a 2D integer array meetings where meetings[i] = [starti, endi] means that a meeting will be held during the half-closed time interval [starti, endi). All the values of starti…
leetcode.cn 2026-01-22
🟢3507.minimum-pair-removal-to-sort-array-i
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
🟢3507.minimum-pair-removal-to-sort-array-i
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
Telegraph
minimum-pair-removal-to-sort-array-i
给你一个数组 nums,你可以执行以下操作任意次数:
leetcode.com 2026-01-22
🟢3507.minimum-pair-removal-to-sort-array-i
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
🟢3507.minimum-pair-removal-to-sort-array-i
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
Telegraph
minimum-pair-removal-to-sort-array-i
Given an array nums, you can perform the following operation any number of times:
leetcode.cn 2026-01-23
🔴3510.minimum-pair-removal-to-sort-array-ii
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
🔴3510.minimum-pair-removal-to-sort-array-ii
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
Telegraph
minimum-pair-removal-to-sort-array-ii
给你一个数组 nums,你可以执行以下操作任意次数:
leetcode.com 2026-01-23
🔴3510.minimum-pair-removal-to-sort-array-ii
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
🔴3510.minimum-pair-removal-to-sort-array-ii
🏷️ Tags
#array #hash_table #linked_list #doubly_linked_list #ordered_set #simulation #heap_priority_queue
Telegraph
minimum-pair-removal-to-sort-array-ii
Given an array nums, you can perform the following operation any number of times:
leetcode.cn 2026-01-27
🟡3650.minimum-cost-path-with-edge-reversals
🏷️ Tags
#graph #shortest_path #heap_priority_queue
🟡3650.minimum-cost-path-with-edge-reversals
🏷️ Tags
#graph #shortest_path #heap_priority_queue
Telegraph
minimum-cost-path-with-edge-reversals
给你一个包含 n 个节点的有向带权图,节点编号从 0 到 n - 1。同时给你一个数组 edges,其中 edges[i] = [ui, vi, wi] 表示一条从节点 ui 到节点 vi 的有向边,其成本为 wi。
leetcode.com 2026-01-27
🟡3650.minimum-cost-path-with-edge-reversals
🏷️ Tags
#graph #shortest_path #heap_priority_queue
🟡3650.minimum-cost-path-with-edge-reversals
🏷️ Tags
#graph #shortest_path #heap_priority_queue
Telegraph
minimum-cost-path-with-edge-reversals
You are given a directed, weighted graph with n nodes labeled from 0 to n - 1, and an array edges where edges[i] = [ui, vi, wi] represents a directed edge from node ui to node vi with cost wi. Each node ui has a switch that can be used at most once: when…
leetcode.cn 2026-02-02
🔴3013.divide-an-array-into-subarrays-with-minimum-cost-ii
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
🔴3013.divide-an-array-into-subarrays-with-minimum-cost-ii
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
Telegraph
divide-an-array-into-subarrays-with-minimum-cost-ii
给你一个下标从 0 开始长度为 n 的整数数组 nums 和两个 正 整数 k 和 dist 。 一个数组的 代价 是数组中的 第一个 元素。比方说,[1,2,3] 的代价为 1 ,[3,4,1] 的代价为 3 。 你需要将 nums 分割成 k 个 连续且互不相交 的子数组,满足 第二 个子数组与第 k 个子数组中第一个元素的下标距离 不超过 dist 。换句话说,如果你将 nums 分割成子数组 nums[0..(i1 - 1)], nums[i1..(i2 - 1)], ..., nums[ik-1..(n…
leetcode.com 2026-02-02
🔴3013.divide-an-array-into-subarrays-with-minimum-cost-ii
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
🔴3013.divide-an-array-into-subarrays-with-minimum-cost-ii
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
Telegraph
divide-an-array-into-subarrays-with-minimum-cost-ii
You are given a 0-indexed array of integers nums of length n, and two positive integers k and dist. The cost of an array is the value of its first element. For example, the cost of [1,2,3] is 1 while the cost of [3,4,1] is 3. You need to divide nums into…
leetcode.cn 2026-03-13
🟡3296.minimum-number-of-seconds-to-make-mountain-height-zero
🏷️ Tags
#greedy #array #math #binary_search #heap_priority_queue
🟡3296.minimum-number-of-seconds-to-make-mountain-height-zero
🏷️ Tags
#greedy #array #math #binary_search #heap_priority_queue
Telegraph
minimum-number-of-seconds-to-make-mountain-height-zero
给你一个整数 mountainHeight 表示山的高度。 同时给你一个整数数组 workerTimes,表示工人们的工作时间(单位:秒)。 工人们需要 同时 进行工作以 降低 山的高度。对于工人 i :
leetcode.com 2026-03-13
🟡3296.minimum-number-of-seconds-to-make-mountain-height-zero
🏷️ Tags
#greedy #array #math #binary_search #heap_priority_queue
🟡3296.minimum-number-of-seconds-to-make-mountain-height-zero
🏷️ Tags
#greedy #array #math #binary_search #heap_priority_queue
Telegraph
minimum-number-of-seconds-to-make-mountain-height-zero
You are given an integer mountainHeight denoting the height of a mountain. You are also given an integer array workerTimes representing the work time of workers in seconds. The workers work simultaneously to reduce the height of the mountain. For worker i:
leetcode.cn 2026-03-16
🟡1878.get-biggest-three-rhombus-sums-in-a-grid
🏷️ Tags
#array #math #matrix #prefix_sum #sorting #heap_priority_queue
🟡1878.get-biggest-three-rhombus-sums-in-a-grid
🏷️ Tags
#array #math #matrix #prefix_sum #sorting #heap_priority_queue
Telegraph
get-biggest-three-rhombus-sums-in-a-grid
给你一个 m x n 的整数矩阵 grid 。 菱形和 指的是 grid 中一个正菱形 边界 上的元素之和。本题中的菱形必须为正方形旋转45度,且四个角都在一个格子当中。下图是四个可行的菱形,每个菱形和应该包含的格子都用了相应颜色标注在图中。 注意,菱形可以是一个面积为 0 的区域,如上图中右下角的紫色菱形所示。 请你按照 降序 返回 grid 中三个最大的 互不相同的菱形和 。如果不同的和少于三个,则将它们全部返回。 示例 1: 输入:grid = [[3,4,5,1,3],[3,3,4,2,3]…
leetcode.com 2026-03-16
🟡1878.get-biggest-three-rhombus-sums-in-a-grid
🏷️ Tags
#array #math #matrix #prefix_sum #sorting #heap_priority_queue
🟡1878.get-biggest-three-rhombus-sums-in-a-grid
🏷️ Tags
#array #math #matrix #prefix_sum #sorting #heap_priority_queue
Telegraph
get-biggest-three-rhombus-sums-in-a-grid
You are given an m x n integer matrix grid. A rhombus sum is the sum of the elements that form the border of a regular rhombus shape in grid. The rhombus must have the shape of a square rotated 45 degrees with each of the corners centered in a grid…