题目如下: Design a Leaderboard class, which has 3 functions: addScore(playerId, score): Update the leaderboard by adding score to the given player's score. If there is no player with such id in the leaderboard, add him to the leaderboard with the given s…

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 字典 目录树 日期 题目地址https://leetcode-cn.com/problems/design-file-system/ 题目描述 You are asked to design a file system which provides two functions: create(path, value): Creates a new pa…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 日期 题目地址:https://leetcode.com/problems/design-twitter/description/ 题目描述 Design a simplified version of Twitter where users can post tweets, follow/unfollow another user and is a…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/design-circular-deque/description/ 题目描述: Design your implementation of the circular double-ended queue (deque). Your implementation should support following op…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 用直的代替弯的 数组循环利用 日期 题目地址:https://leetcode.com/problems/design-circular-queue/description/ 题目描述 Design your implementation of the circular queue. The circular queue is a linear da…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 日期 题目地址:https://leetcode.com/problems/design-linked-list/description/ 题目描述 Design your implementation of the linked list. You can choose to use the singly linked list or the do…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 日期 题目地址:https://leetcode.com/problems/design-hashmap/description/ 题目描述 Design a HashMap without using any built-in hash table libraries. To be specific, your design should incl…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 位图法 数组法 日期 题目地址:https://leetcode.com/problems/design-hashset/description/ 题目描述 Design a HashSet without using any built-in hash table libraries. To be specific, your design sho…

题目描述: Design a simplified version of Twitter where users can post tweets, follow/unfollow another user and is able to see the 10 most recent tweets in the user's news feed. Your design should support the following methods: postTweet(userId, tweetId):…

题目如下: Design your implementation of the circular queue. The circular queue is a linear data structure in which the operations are performed based on FIFO (First In First Out) principle and the last position is connected back to the first position to…