Problem Link Given an integer array nums of length n and an integer target, find three integers in nums such that the sum is closest to target. Return the sum of the three integers. You may assu...

Learning Object-Oriented Programming(OOP) is different from studying the syntax of a programming language. It is about understanding the methods for designing software correctly. Proper software de...

The Tower of Hanoi transcends a mere puzzle game to become a textbook example in computer science for understanding recursive thinking. The goal of this game is to move all the disks from the first...

Euclidean algorithm, introduced by the ancient Greek mathematician Euclid in “Elements,” continues to hold significant value today. This simple yet powerful algorithm provides a fundamental and eff...

Despite advancements in computer technology, there are a few core elements at the foundation of every computer system: BIOS and software interrupts. These elements provide a basic understanding of ...

The realm of programming is filled with various paradigms, yet the most commonly contrasted are procedural programming and object-oriented programming(OOP). Grasping the fundamental differences bet...

Problem Link Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 ...

GitHub Desktop is a graphical user interface (GUI) tool that makes using Git and GitHub easier. As of the current date (February 14, 2024), this tool is available only for Windows and Mac environme...

Problem Link This coding practice problem is copyrighted by Grepp Co., Ltd. In a 2D Cartesian coordinate system with the origin at the center, two circles of different sizes are given. When t...

Problem Link Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j] + nums[k] == 0. Notice that the solution ...