leetcode.com 2025-10-07
🟡1488.avoid-flood-in-the-city
🏷️ Tags
#greedy #array #hash_table #binary_search #heap_priority_queue
🟡1488.avoid-flood-in-the-city
🏷️ Tags
#greedy #array #hash_table #binary_search #heap_priority_queue
Telegraph
avoid-flood-in-the-city
Your country has an infinite number of lakes. Initially, all the lakes are empty, but when it rains over the nth lake, the nth lake becomes full of water. If it rains over a lake that is full of water, there will be a flood. Your goal is to avoid floods in…
leetcode.cn 2025-11-04
🟢3318.find-x-sum-of-all-k-long-subarrays-i
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
🟢3318.find-x-sum-of-all-k-long-subarrays-i
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
Telegraph
find-x-sum-of-all-k-long-subarrays-i
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 2025-11-04
🟢3318.find-x-sum-of-all-k-long-subarrays-i
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
🟢3318.find-x-sum-of-all-k-long-subarrays-i
🏷️ Tags
#array #hash_table #sliding_window #heap_priority_queue
Telegraph
find-x-sum-of-all-k-long-subarrays-i
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 2025-11-05
🔴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]…