Programming is the process of creating a set of instructions that tell a computer how to perform a task. Programming can be done using a variety of computer programming languages. This category contains solutions to many problems in Python, Java, C# and other programming languages.

Math is the overall group of sciences that study numbers, shapes and their relationships. An example of math is arithmetic, the study of addition, subtraction, multiplication and division

Literature broadly isany collection of written work, but it is also used more narrowly for writings specifically considered to be an art form, especially prose fiction, drama, and poetry. In recent centuries, the definition has expanded to include oral literature, much of which has been transcribed.

Cyber security is the application of technologies, processes and controls to protect systems, networks, programs, devices and data from cyber attacks. This category contains solutions of the problems related to computer network security.

Computer networking, is the practice of transporting and exchanging data between nodes over a shared medium in an information system. This category contains solution of problems in computer networking field such as TCP/IP or certifications such as CCNA, CCNP etc.