A design pattern is a reusable solution to a commonly occurring problem in software design. They are not finished, ready-to-use pieces…
Factory Method is a creational design pattern that deals with the object creation. It separates the object creation logic from…
You are given two singly linked lists that intersect at some node. Your task is to find and return the…
A builder plans to construct N houses in a row, where each house can be painted in K different colors.…
Find the length of the longest absolute path to a file within the abstracted file system. The length is measured…
You manage an e-commerce website and need to keep track of the last N order IDs in a log. Design…
You are given a stream of elements that is too large to fit into memory. Write an algorithm to select…
The formula for the area of a circle is given by πr². Use the Monte Carlo method to approximate the…
Given an integer k and a string s, write a function to determine the length of the longest substring in…
There is a staircase with N steps, and you can ascend either 1 step or 2 steps at a time.…