leetcode.cn 2026-06-03
🟡3635.earliest-finish-time-for-land-and-water-rides-ii
🏷️ Tags
#greedy #array #two_pointers #binary_search #sorting
🟡3635.earliest-finish-time-for-land-and-water-rides-ii
🏷️ Tags
#greedy #array #two_pointers #binary_search #sorting
Telegraph
earliest-finish-time-for-land-and-water-rides-ii
给你两种类别的游乐园项目:陆地游乐设施 和 水上游乐设施。
leetcode.com 2026-06-03
🟡3635.earliest-finish-time-for-land-and-water-rides-ii
🏷️ Tags
#greedy #array #two_pointers #binary_search #sorting
🟡3635.earliest-finish-time-for-land-and-water-rides-ii
🏷️ Tags
#greedy #array #two_pointers #binary_search #sorting
Telegraph
earliest-finish-time-for-land-and-water-rides-ii
You are given two categories of theme park attractions: land rides and water rides.
leetcode.cn 2026-07-01
🟡2812.find-the-safest-path-in-a-grid
🏷️ Tags
#breadth_first_search #union_find #array #binary_search #matrix #heap_priority_queue
🟡2812.find-the-safest-path-in-a-grid
🏷️ Tags
#breadth_first_search #union_find #array #binary_search #matrix #heap_priority_queue
Telegraph
find-the-safest-path-in-a-grid
给你一个下标从 0 开始、大小为 n x n 的二维矩阵 grid ,其中 (r, c) 表示:
leetcode.com 2026-07-01
🟡2812.find-the-safest-path-in-a-grid
🏷️ Tags
#breadth_first_search #union_find #array #binary_search #matrix #heap_priority_queue
🟡2812.find-the-safest-path-in-a-grid
🏷️ Tags
#breadth_first_search #union_find #array #binary_search #matrix #heap_priority_queue
Telegraph
find-the-safest-path-in-a-grid
You are given a 0-indexed 2D matrix grid of size n x n, where (r, c) represents:
leetcode.cn 2026-07-03
🔴3620.network-recovery-pathways
🏷️ Tags
#graph #topological_sort #array #binary_search #dynamic_programming #shortest_path #heap_priority_queue
🔴3620.network-recovery-pathways
🏷️ Tags
#graph #topological_sort #array #binary_search #dynamic_programming #shortest_path #heap_priority_queue
Telegraph
network-recovery-pathways
给你一个包含 n 个节点(编号从 0 到 n - 1)的有向无环图。图由长度为 m 的二维数组 edges 表示,其中 edges[i] = [ui, vi, costi] 表示从节点 ui 到节点 vi 的单向通信,恢复成本为 costi。 一些节点可能处于离线状态。给定一个布尔数组 online,其中 online[i] = true 表示节点 i 在线。节点 0 和 n - 1 始终在线。 从 0 到 n - 1 的路径如果满足以下条件,那么它是 有效 的:
leetcode.com 2026-07-03
🔴3620.network-recovery-pathways
🏷️ Tags
#graph #topological_sort #array #binary_search #dynamic_programming #shortest_path #heap_priority_queue
🔴3620.network-recovery-pathways
🏷️ Tags
#graph #topological_sort #array #binary_search #dynamic_programming #shortest_path #heap_priority_queue
Telegraph
network-recovery-pathways
You are given a directed acyclic graph of n nodes numbered from 0 to n − 1. This is represented by a 2D array edges of length m, where edges[i] = [ui, vi, costi] indicates a one‑way communication from node ui to node vi with a recovery cost of costi. Some…
leetcode.cn 2026-07-09
🟡3532.path-existence-queries-in-a-graph-i
🏷️ Tags
#union_find #graph #array #hash_table #binary_search
🟡3532.path-existence-queries-in-a-graph-i
🏷️ Tags
#union_find #graph #array #hash_table #binary_search
Telegraph
path-existence-queries-in-a-graph-i
给你一个整数 n,表示图中的节点数量,这些节点按从 0 到 n - 1 编号。 同时给你一个长度为 n 的整数数组 nums,该数组按 非递减 顺序排序,以及一个整数 maxDiff。 如果满足 |nums[i] - nums[j]| <= maxDiff(即 nums[i] 和 nums[j] 的 绝对差 至多为 maxDiff),则节点 i 和节点 j 之间存在一条 无向边 。 此外,给你一个二维整数数组 queries。对于每个 queries[i] = [ui, vi],需要判断节点 ui 和 vi…
leetcode.com 2026-07-09
🟡3532.path-existence-queries-in-a-graph-i
🏷️ Tags
#union_find #graph #array #hash_table #binary_search
🟡3532.path-existence-queries-in-a-graph-i
🏷️ Tags
#union_find #graph #array #hash_table #binary_search
Telegraph
path-existence-queries-in-a-graph-i
You are given an integer n representing the number of nodes in a graph, labeled from 0 to n - 1. You are also given an integer array nums of length n sorted in non-decreasing order, and an integer maxDiff. An undirected edge exists between nodes i and j if…
leetcode.cn 2026-07-10
🔴3534.path-existence-queries-in-a-graph-ii
🏷️ Tags
#greedy #bit_manipulation #graph #array #two_pointers #binary_search #dynamic_programming #sorting
🔴3534.path-existence-queries-in-a-graph-ii
🏷️ Tags
#greedy #bit_manipulation #graph #array #two_pointers #binary_search #dynamic_programming #sorting
Telegraph
path-existence-queries-in-a-graph-ii
给你一个整数 n,表示图中的节点数量,这些节点按从 0 到 n - 1 编号。 同时给你一个长度为 n 的整数数组 nums,以及一个整数 maxDiff。 如果满足 |nums[i] - nums[j]| <= maxDiff(即 nums[i] 和 nums[j] 的 绝对差 至多为 maxDiff),则节点 i 和节点 j 之间存在一条 无向边 。 此外,给你一个二维整数数组 queries。对于每个 queries[i] = [ui, vi],找到节点 ui 和节点 vi 之间的 最短距离 。如果两节点之间不存在路径,则返回…
leetcode.com 2026-07-10
🔴3534.path-existence-queries-in-a-graph-ii
🏷️ Tags
#greedy #bit_manipulation #graph #array #two_pointers #binary_search #dynamic_programming #sorting
🔴3534.path-existence-queries-in-a-graph-ii
🏷️ Tags
#greedy #bit_manipulation #graph #array #two_pointers #binary_search #dynamic_programming #sorting
Telegraph
path-existence-queries-in-a-graph-ii
You are given an integer n representing the number of nodes in a graph, labeled from 0 to n - 1. You are also given an integer array nums of length n and an integer maxDiff. An undirected edge exists between nodes i and j if the absolute difference between…
leetcode.cn 2026-07-17
🔴3312.sorted-gcd-pair-queries
🏷️ Tags
#array #hash_table #math #binary_search #combinatorics #counting #number_theory #prefix_sum
🔴3312.sorted-gcd-pair-queries
🏷️ Tags
#array #hash_table #math #binary_search #combinatorics #counting #number_theory #prefix_sum
Telegraph
sorted-gcd-pair-queries
给你一个长度为 n 的整数数组 nums 和一个整数数组 queries 。 gcdPairs 表示数组 nums 中所有满足 0 <= i < j < n 的数对 (nums[i], nums[j]) 的 最大公约数 升序 排列构成的数组。 对于每个查询 queries[i] ,你需要找到 gcdPairs 中下标为 queries[i] 的元素。
leetcode.com 2026-07-17
🔴3312.sorted-gcd-pair-queries
🏷️ Tags
#array #hash_table #math #binary_search #combinatorics #counting #number_theory #prefix_sum
🔴3312.sorted-gcd-pair-queries
🏷️ Tags
#array #hash_table #math #binary_search #combinatorics #counting #number_theory #prefix_sum
Telegraph
sorted-gcd-pair-queries
You are given an integer array nums of length n and an integer array queries. Let gcdPairs denote an array obtained by calculating the GCD of all possible pairs (nums[i], nums[j]), where 0 <= i < j < n, and then sorting these values in ascending order. For…