Number of Recent Calls – Queue Data Structure Exercise
Write a class RecentCounter to count recent requests. It has only one method: ping(int t), where t represents some time in milliseconds. Return the number of pings that have …
The DI (Decreasing/Increasing) String Match Algorithm
Your task is to return an array (that contains integer numbers from 0 to N, N is the length of a given string S that contains only I or …
Pros and Cons of Having SEO for White Label Services
White labeling is different from outsourcing. While outsourcing is every so often white labeled, the two terms cannot be used interchangeably. White label is a legitimate protocol that allows …
The Javascript Function (Node Js) to Compare Version Number Strings
Given two version numbers such as 0.20.7 and 0.20.8 you want to know which comes first. The version numbers are a few integer numbers that are concatenated by dots …
Finding Two Numbers of Given Sum in Binary Search Tree
Given a binary search tree and a target, find out if there are any two numbers in the BST that sums up to this target. Given a Binary Search …
You need a Numeric Keypad to Start with Your HHKB!
Getting a HHKB and being excited for a few days? Sooner or later, you ‘ll realise that it is not very convenient as you need to remember the combination …