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Hi Eolymp Community!

From now on, you can earn Eolymp Mints by helping us improve the platform. Submit suggestions for problem improvements—whether it's fixing typos, adding translations, or writing solution editorials—and receive rewards based on the value of your contribution.

We are excited to announce new Blitz Round happening on Sunday, October 5th. This is rated competition for participants whose rating is less or equal 1600.

Hello everybody! My name is Sergey Kolodyazhnyy and I am one of the co-founders of the Eolymp. Today I would like to share with you the story of how my computer science teacher Zhukovsky Serhiy (@zss) and I created one of the largest Ukrainian sites for studying computer science. Of course, over the years, many caring people have helped the site. This post mentions only a few of them, but I am very grateful to everyone who contributed.

We’re excited to kick off a new competition season and share some updates on Eolymp. Our mission remains the same: hosting regular, high-quality contests for the competitive programming community. This year, we’re running more rounds, adding new formats, and introducing a new reward system.

Recently, information has been spreading on the internet about our company's ties with the russian federation. We officially state: our company has no ties with the russian federation and does not cooperate with russian or pro-russian companies or websites. Our priorities are openness, integrity, honesty, and dedication to improving education in Ukraine and promoting Ukrainian worldwide.

Nous sommes ravis d'annoncer une nouvelle session de pratique du week-end dimanche prochain. C'est une compétition classée pour tout le monde.

Bonne année à tous ! Nous sommes ravis de commencer 2025 avec une nouvelle édition de la Pratique du Week-end Eolymp. Rejoignez-nous dimanche prochain, le 12 janvier, pour une excellente opportunité de tester vos compétences et améliorer votre classement !

We are very excited to announce our new competition! Join us at Eolymp Cup, a programming competition for students from everywhere! Take up a challenge to get a chance to win a trophy, medals, prizes, and scholarships at Harbour.Space University.

We're thrilled to share the results of the second round of the Eolymp Cup! We hope you enjoyed tackling the problems and had a great experience.

Nous sommes ravis d'annoncer les résultats de la dernière édition de la Coupe Eolymp! Nous espérons que vous avez apprécié les défis et que vous avez vécu une expérience enrichissante tout au long de l'événement.

Nous sommes ravis d'annoncer les résultats de la Eolymp Cup ! Ça a été un long voyage, mais nous l'avons fait. Nous espérons que vous avez apprécié les défis et que vous avez eu une expérience enrichissante tout au long de la compétition.

For the celebration, the Professor bought balloons of three colors: blue, red, and yellow. In total, he bought $n$ balloons. The number of yellow and blue balloons is $a$, and the number of red and blue balloons is $b$.

You may have noticed some changes on our site today, specifically some new colors and changes on the profile page. We've introduced a system that assigns titles to users based on their performance in rated competitions like the Eolymp Cup and Weekend Practice. These titles help organize users into groups according to their performance and provide a bit of motivation to solve more problems.

We’re thrilled to announce a major update to how you access Eolymp! Next Monday (October 13th), we’ll be migrating basecamp to eolymp.com to make things simpler, faster, and more intuitive for our community.

Even in ancient times, the Egyptians knew that a triangle with sides $3$, $4$, and $5$ is a right triangle, with its right angle being the largest one. Determine whether other triangles also have this property.

We are excited to announce new Weekend Practice round happening on Sunday, October 26th at 16:00 UTC. This is rated competition for everyone. The problems in this round are a bit harder than usual, so be prepared for an extra challenge!

Solve the quadratic equation $a\cdot x^2+b\cdot x+c=0(a\ne 0)$.

We are excited to announce new Weekend Practice round happening on Saturday, August 23th. This is rated competition for everyone.

We are excited to announce new Weekend Practice round happening on Saturday, June 7th. This is rated competition for everyone.

We are excited to announce new Weekend Practice round happening on Saturday, October 11th. This is rated competition for everyone.

We are excited to announce new Weekend Practice round happening on Sunday, July 13th. This is rated competition for everyone.

A number is called massive if it can be written in the form $a^n$, that is, $a$ raised to the power of $n$.

We are excited to announce new Weekend Practice round happening on Sunday, September 14th. This is rated competition for everyone.

We are excited to announce new Blitz Round happening on Sunday, October 19th. This is rated competition for participants whose rating is less or equal 1600.