Link : https://grader.gchan.moe/
A bilingual archive of competitive programming problems and solutions from Thailand and international contests Via Grader-chan, POSN). Includes original Thai statements, English translations, and solutions in C++.
This repository is a bilingual archive of competitive programming problems and solutions from Grader-chan (POSN-style Thai contests).
The goal of this project is to make high-quality Thai and regional contest problems accessible to a global audience by providing:
- Original Thai problem statements
- Accurate English translations
- Solutions in C++
Many excellent competitive programming problems are only available in Thai or local contest platforms. This project preserves them and makes them readable, searchable, and usable for students around the world.
This is especially useful for:
- Thai students preparing for POSN, COCI, IOI-style contests
- International students looking for new problem sources
- Anyone interested in algorithmic problem solving beyond mainstream judges
Problem statements belong to their respective contest organizers:
- COCI (Croatian Open Competition in Informatics)
- Grader-chan / POSN Computer Camp
This repository is intended for educational and archival purposes.
All translations and formatting are original work.
If this repository helps you learn, feel free to use it, share it, or build on it.
The solutions in this repository are written by me as part of my learning journey.
They may not always be the most optimized, shortest, or most professional solutions, and that’s okay.
If you find a better solution, improvement, or idea, you are always welcome to suggest it.