leetcode.com 2025-07-10
🟡3440.reschedule-meetings-for-maximum-free-time-ii
🏷️ Tags
#greedy #array #enumeration
🟡3440.reschedule-meetings-for-maximum-free-time-ii
🏷️ Tags
#greedy #array #enumeration
Telegraph
reschedule-meetings-for-maximum-free-time-ii
You are given an integer eventTime denoting the duration of an event. You are also given two integer arrays startTime and endTime, each of length n. These represent the start and end times of n non-overlapping meetings that occur during the event between…
leetcode.com 2025-07-11
🔴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 2025-07-12
🔴1900.the-earliest-and-latest-rounds-where-players-compete
🏷️ Tags
#memoization #dynamic_programming
🔴1900.the-earliest-and-latest-rounds-where-players-compete
🏷️ Tags
#memoization #dynamic_programming
Telegraph
the-earliest-and-latest-rounds-where-players-compete
n 名运动员参与一场锦标赛,所有运动员站成一排,并根据 最开始的 站位从 1 到 n 编号(运动员 1 是这一排中的第一个运动员,运动员 2 是第二个运动员,依此类推)。 锦标赛由多个回合组成(从回合 1 开始)。每一回合中,这一排从前往后数的第 i 名运动员需要与从后往前数的第 i 名运动员比拼,获胜者将会进入下一回合。如果当前回合中运动员数目为奇数,那么中间那位运动员将轮空晋级下一回合。
leetcode.com 2025-07-12
🔴1900.the-earliest-and-latest-rounds-where-players-compete
🏷️ Tags
#memoization #dynamic_programming
🔴1900.the-earliest-and-latest-rounds-where-players-compete
🏷️ Tags
#memoization #dynamic_programming
Telegraph
the-earliest-and-latest-rounds-where-players-compete
There is a tournament where n players are participating. The players are standing in a single row and are numbered from 1 to n based on their initial standing position (player 1 is the first player in the row, player 2 is the second player in the row, etc.).…
leetcode.cn 2025-07-13
🟡2410.maximum-matching-of-players-with-trainers
🏷️ Tags
#greedy #array #two_pointers #sorting
🟡2410.maximum-matching-of-players-with-trainers
🏷️ Tags
#greedy #array #two_pointers #sorting
Telegraph
maximum-matching-of-players-with-trainers
给你一个下标从 0 开始的整数数组 players ,其中 players[i] 表示第 i 名运动员的 能力 值,同时给你一个下标从 0 开始的整数数组 trainers ,其中 trainers[j] 表示第 j 名训练师的 训练能力值 。 如果第 i 名运动员的能力值 小于等于 第 j 名训练师的能力值,那么第 i 名运动员可以 匹配 第 j 名训练师。除此以外,每名运动员至多可以匹配一位训练师,每位训练师最多可以匹配一位运动员。 请你返回满足上述要求 players 和 trainers 的 最大…
leetcode.com 2025-07-13
🟡2410.maximum-matching-of-players-with-trainers
🏷️ Tags
#greedy #array #two_pointers #sorting
🟡2410.maximum-matching-of-players-with-trainers
🏷️ Tags
#greedy #array #two_pointers #sorting
Telegraph
maximum-matching-of-players-with-trainers
You are given a 0-indexed integer array players, where players[i] represents the ability of the ith player. You are also given a 0-indexed integer array trainers, where trainers[j] represents the training capacity of the jth trainer. The ith player can match…
leetcode.cn 2025-07-14
🟢1290.convert-binary-number-in-a-linked-list-to-integer
🏷️ Tags
#linked_list #math
🟢1290.convert-binary-number-in-a-linked-list-to-integer
🏷️ Tags
#linked_list #math
Telegraph
convert-binary-number-in-a-linked-list-to-integer
给你一个单链表的引用结点 head。链表中每个结点的值不是 0 就是 1。已知此链表是一个整数数字的二进制表示形式。 请你返回该链表所表示数字的 十进制值 。 示例 1: 输入:head = [1,0,1] 输出:5 解释:二进制数 (101) 转化为十进制数 (5) 示例 2: 输入:head = [0] 输出:0 示例 3: 输入:head = [1] 输出:1 示例 4: 输入:head = [1,0,0,1,0,0,1,1,1,0,0,0,0,0,0] 输出:18880 示例 5: 输入:head…
leetcode.com 2025-07-14
🟢1290.convert-binary-number-in-a-linked-list-to-integer
🏷️ Tags
#linked_list #math
🟢1290.convert-binary-number-in-a-linked-list-to-integer
🏷️ Tags
#linked_list #math
Telegraph
convert-binary-number-in-a-linked-list-to-integer
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 binary representation of a number. Return the decimal value of the number in the linked list. The most significant…
leetcode.cn 2025-07-16
🟡3201.find-the-maximum-length-of-valid-subsequence-i
🏷️ Tags
#array #dynamic_programming
🟡3201.find-the-maximum-length-of-valid-subsequence-i
🏷️ Tags
#array #dynamic_programming
Telegraph
find-the-maximum-length-of-valid-subsequence-i
给你一个整数数组 nums。 nums 的子序列 sub 的长度为 x ,如果其满足以下条件,则称其为 有效子序列:
leetcode.com 2025-07-16
🟡3201.find-the-maximum-length-of-valid-subsequence-i
🏷️ Tags
#array #dynamic_programming
🟡3201.find-the-maximum-length-of-valid-subsequence-i
🏷️ Tags
#array #dynamic_programming
Telegraph
find-the-maximum-length-of-valid-subsequence-i
A subsequence sub of nums with length x is called valid if it satisfies:
leetcode.cn 2025-07-17
🟡3202.find-the-maximum-length-of-valid-subsequence-ii
🏷️ Tags
#array #dynamic_programming
🟡3202.find-the-maximum-length-of-valid-subsequence-ii
🏷️ Tags
#array #dynamic_programming
Telegraph
find-the-maximum-length-of-valid-subsequence-ii
nums 的一个 子序列 sub 的长度为 x ,如果其满足以下条件,则称其为 有效子序列 :
leetcode.com 2025-07-17
🟡3202.find-the-maximum-length-of-valid-subsequence-ii
🏷️ Tags
#array #dynamic_programming
🟡3202.find-the-maximum-length-of-valid-subsequence-ii
🏷️ Tags
#array #dynamic_programming
Telegraph
find-the-maximum-length-of-valid-subsequence-ii
A subsequence sub of nums with length x is called valid if it satisfies:
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 2025-07-19
🟡1233.remove-sub-folders-from-the-filesystem
🏷️ Tags
#depth_first_search #trie #array #string
🟡1233.remove-sub-folders-from-the-filesystem
🏷️ Tags
#depth_first_search #trie #array #string
Telegraph
remove-sub-folders-from-the-filesystem
你是一位系统管理员,手里有一份文件夹列表 folder,你的任务是要删除该列表中的所有 子文件夹,并以 任意顺序 返回剩下的文件夹。 如果文件夹 folder[i] 位于另一个文件夹 folder[j] 下,那么 folder[i] 就是 folder[j] 的 子文件夹 。folder[j] 的子文件夹必须以 folder[j] 开头,后跟一个 "/"。例如,"/a/b" 是 "/a" 的一个子文件夹,但 "/b" 不是 "/a/b/c" 的一个子文件夹。 文件夹的「路径」是由一个或多个按以下格式串联…
leetcode.com 2025-07-19
🟡1233.remove-sub-folders-from-the-filesystem
🏷️ Tags
#depth_first_search #trie #array #string
🟡1233.remove-sub-folders-from-the-filesystem
🏷️ Tags
#depth_first_search #trie #array #string
Telegraph
remove-sub-folders-from-the-filesystem
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 folder[i] is located within another folder[j], it is called a sub-folder of it. A sub-folder of folder[j] must…
leetcode.cn 2025-07-20
🔴1948.delete-duplicate-folders-in-system
🏷️ Tags
#trie #array #hash_table #string #hash_function
🔴1948.delete-duplicate-folders-in-system
🏷️ Tags
#trie #array #hash_table #string #hash_function
Telegraph
delete-duplicate-folders-in-system
由于一个漏洞,文件系统中存在许多重复文件夹。给你一个二维数组 paths,其中 paths[i] 是一个表示文件系统中第 i 个文件夹的绝对路径的数组。
leetcode.com 2025-07-20
🔴1948.delete-duplicate-folders-in-system
🏷️ Tags
#trie #array #hash_table #string #hash_function
🔴1948.delete-duplicate-folders-in-system
🏷️ Tags
#trie #array #hash_table #string #hash_function
Telegraph
delete-duplicate-folders-in-system
Due to a bug, there are many duplicate folders in a file system. You are given a 2D array paths, where paths[i] is an array representing an absolute path to the ith folder in the file system.