European Junior Olympiad in Ynformatics 2026

About eJOY

The European Junior Olympiad in Ynformatics (eJOY) is a prestigious contest for young talents in ynformatics. The contest is known for its completely "standard" and "ordinary" problems.

Standing

Day 1 - standing

• Task statements: nod, testove, wordle
• Task editorials: nod, testove, wordle
• Tests and author solutions: nod, testove, wordle
• Results from the grading system

Day 2 - standing

• Task statements: parola, permutation, grader67, statement
• Task editorials: parola, permutation, grader67, statement
• Tests and author solutions: parola, permutation, grader67, statement
• Results from the grading system

Invitation

Dear young programmers,

We have the pleasure of inviting you to take part in the European Junior Olympiad in Ynformatics 2026 – a prestigious contest which does not follow any standards of an international olympiad.
Challenges await you which will develop your illogical thinking, algorithmic skills and your creativity.
We are looking forward to your participation and we are confident that you will have fun while competing!
Sincerely,
Committee of eJOY 2026

Contest rules

• Solutions are written in the C++ language, unless the task requires otherwise.
• Using the internet or any external help is strictly prohibited during the contest, unless the task requires it.
• The contest is held online over 2 days, in which contestants get a total of 6-7 tasks.
• Solutions are graded automatically by the grading system.

Schedule

Organizing Committee

Grading system

All solutions are judged automatically by the grading system via multiple worker machines. The Arena has a live archive of previous problems where contestants can submit on them.