Grant Mullins
Cybersecurity • Computer Science • Mathematics

About

I’m Grant Mullins, a computer science and math student at Virginia Tech. My areas of focus are cybersecurity and applied discrete math. I enjoy building small tools, solving CTF challenges, and competing in math competitions. I also like drumming, mountain biking, and playing Rocket League.

Projects & Code

  • 2026 · HTML · CSS
    HTML CSS Web Server
    The source code for this website.
  • Linux Tools Tutorials Challenges
    Short tutorials and examples for the common text filtering and editing commands on Linux.
  • 2025 · Python
    CLI Tool Algorithms
    A command-line tool that finds all two-word solutions to today's NYT Letter Boxed game.
  • 2025 · Bash
    CTF Linux
    Various scripts/notes for Hack The Box Academy and Labs.

Blog

A random assortment of writeups, resources, videos, and more.

Math Notes

Some math documents I've written, focused on competitive math and problem-solving.


2025 Beginner Problem-Solving

An intro to foundational competitive math topics, with problems and solutions. I made these problem sets when I hosted Beginner Problem-Solving meetings for the Virginia Tech Math Club during the Fall 2025 semester.


2024 Putnam Prep

A collection of Putnam problems (and pre-Putnam problems) grouped by topic, along with a hint for each problem. I made these problem sets when I hosted Putnam Prep meetings for the Virginia Tech Math Club during the Fall 2024 semester.