leetcode 新题型---SQL,shell,system design leetcode 主要是一个针对北美的coder人群找工作的代码练习网站,我在2015年初次接触这个网站的时候,总共只有200多道题目,是一个类似acm 的a题网站。这些年变化越来越大,主要是因为找工作当然是多样化的考核过程,leetcode 也逐渐与时俱进,推出了下面几个类别的联系,今天我...
LeetCode System Design Tag: LeetCode is a popular platform for technical interview preparation. The System Design tag on LeetCode includes a variety of questions to practice.LeetCode 系统设计 标签:LeetCode 是一个流行的技术面试准备平台。 LeetCode 上的系统设计标签包含各种练习问题。 “System Design ...
当前的表结构是:(id, long_url),既需要用id查long_url,也需要用long_url查id,如何分,把哪列作为sharding key呢? 一个简单可行的办法是,按id取模sharding,因为读(短到长)的需求是主要的;写的时候就广播给所有机器,由于机器不会太多,也是可行的。 此时一个新的问题来了,n台机器如何共享一个全局自增id? ...
TinyURL is a URL shortening service where you enter a URL such ashttps://leetcode.com/problems/design-tinyurland it returns a short URL such ashttp://tinyurl.com/4e9iAk. Requirements: For instance, “http://tinyurl.com/4e9iAk” is the tiny url for the page “https://leetcode.com/...
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} p->word =str; p->time =time; }voiddfs(TrieNode *root, vector<pair<int,string>> &startwith){if(root==NULL)return;if(root->word!="") startwith.push_back({root->time,root->word});for(inti=0;i<=26;++i){ dfs(root->next[i],startwith); ...
来自专栏 · LeetCode 每日一题 题意 实现一个能计算地铁平均耗时的数据结构,支持查询不同出入站的用户平均耗时。 该数据结构需要支持以下操作: void checkIn(int id, string stationName, int t): 用户 id 在时间 t 从 stationName 进入地铁 void checkOut(int id, string stationName, int t): 用户 id...
machine-learningdeep-learningleetcodemvpinterview-questionsinterview-preparationsystem-designinterivew UpdatedAug 31, 2023 📚 A curated list of awesome articles, videos, and other resources to learn and practice software architecture, patterns, and principles. ...
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