Advent of Code is an Advent calendar of small programming puzzles for a variety of skill levels that can be solved in any programming language you like. People use them as interview prep, company ...

The 2026 picoCTF competition has officially expanded with more challenges than ever before, yet the transition from the block-based logic of Karel to the raw Python scripting required for CTFs remains ...

Abstract: This paper introduces Arena Acadnet, a modular, role-based educational platform designed to support engineering-oriented programming contests, with a focus on real-time debugging and code ...