Author: ACMer

Given the following SQL Schema: Create table If Not Exists Employee (Id int, Name varchar(255), Department varchar(255), ManagerId int) Truncate table Employee insert into Employee (Id, Name, Department, ManagerId) …

For a web developer, it is very important to know how to design a web page’s size. So, given a specific rectangular web page’s area, your job by now …

In a string S of lowercase letters, these letters form consecutive groups of the same character. For example, a string like S = “abbxxxxzyy” has the groups “a”, “bb”, …

The changeover from volume-limited IPv4 to IPv6 launched 6 years ago, and now, according to Internet Society, IPv6 is dominant. 25% of connections to Google services, a bellwether for …

In a town, there are N people labelled from 1 to N. There is a rumor that one of these people is secretly the town judge. If the town …