Greetings Codeforces community!

We are excited to announce the Constructor Open Cup 2026, our annual online programming competition organized by Constructor University and JetBrains Foundation.

What is the Constructor Open Cup?

Constructor Open Cup is an online contest organized by Constructor University and JetBrains Foundation to promote interest in computer science, data science, software development, and software engineering.

Put your knowledge and skills to the test in this 4-hour competition and stand a chance to walk away with a scholarship for a bachelor's degree in Software, Data and Technology (BSc SDT) at Constructor University, Germany’s #1 private university*!

Constructor Open Cup timetable

February 2 — February 12, 2026 | Practice Round

Get familiar with the testing environment during this practice round.

February 12, 2026 at 2 PM (UTC) | Main Round

You will have 4 hours to complete a series of algorithmic programming tasks. Registration closes 1 hour before the start of the contest.

Greetings Codeforces community!

We are excited to announce the Constructor Open Cup 2025, our annual online programming competition organized by Constructor University and JetBrains.

What is the Constructor Open Cup 2025?

Constructor Open Cup is an online contest organized by Constructor University and JetBrains, the global leading tool provider for developers, to promote interest in computer science, data science, software development, and software engineering.

Put your knowledge and skills to the test in this 4-hour competition and stand a chance to walk away with a scholarship for a bachelor's degree in Software, Data and Technology (BSc SDT) at Constructor University, Germany’s #1 private university*!

Constructor Open Cup timetable

January 27 – February 5, 2025 | Practice Round

Get familiar with the testing environment during this practice round.

February 6, 2025, at 2 PM (UTC) | Main Round

You will have 4 hours to complete a series of algorithmic programming tasks. Registration closes 1 hour before the start of the contest.

Prizes and Winner Announcement

The top candidates will receive exciting prizes, including:

• chance to get scholarships for the BSc SDT*
• exciting memorable gifts from Constructor University and JetBrains

*The winners who applied to the BSc SDT will receive an email to schedule the interview with Constructor University and JetBrains.

How can I participate?

• Register your details on the webpage.
• Finalize your registration at Codeforces using the link you receive in the confirmation email.
• If you have any further queries, please reach out to [email protected].

How can I prepare?

Prepare for the Constructor Open Cup 2025 with an online webinar on January 29 at 17:00 CET. Our expert will go over the problems from last year’s competition and share helpful tips.

• January 29 at 17:00 CET
• Link to join the webinar

Don’t forget to save the date!

Greetings Codeforces community!

We are excited to announce the Constructor Open Cup 2024, our annual online programming competition organized by Constructor University and JetBrains.

What is the Constructor Open Cup 2023?

Constructor Open Cup is an online contest organized by Constructor University and JetBrains, the global leading tool provider for developers, to promote interest in computer science, data science, software development, and software engineering.

Put your knowledge and skills to the test in this 4-hour competition and stand a chance to walk away with a scholarship for a bachelor's degree in Software, Data and Technology (BSc SDT) at Constructor University, Germany’s #1 private university*!

Constructor Open Cup timetable

February 1-7, 2024 | Practice Round

Get familiar with the testing environment during this practice round.

February 8, 2024 at 2 PM (UTC) |Main Round

You will have 4 hours to complete a series of algorithmic programming tasks. Registration closes 1 hour before the start of the contest.

Prizes and Winner Announcement

The top candidates will receive exciting prizes, including:

• chance to get scholarships for the BSc SDT*
• exciting memorable gifts from Constructor University and JetBrains

*The winners who applied to the BSc SDT will receive an email to schedule the interview with Constructor University and JetBrains.

What do participants say?

“I was just surfing Codeforces blogs when I found a post about the Constructor Open Cup 2023. After discovering that I could have a chance to win a scholarship from JetBrains, I registered for the competition and placed among the top 20-30. The contest itself was very interesting, with different types of problems that allowed me to showcase my knowledge. I felt very honoured to receive a scholarship, and now I am one of the students in the BSc SDT program” – IMRUN, BSc SDT first-year student.

How can I participate?

• Register your details on the webpage.
• Finalize your registration at Codeforces using the link you receive in the confirmation email.
• If you have any further queries, please reach out to [email protected].

Can I participate?

Everyone is welcome! The contest is open for all ages and skill levels, all you need is a passion for coding.

To get the chance for the scholarship for BSc SDT, please check Constructor University’s eligibility requirements.

About the BSc SDT program

This program prepares talents to become tomorrow’s elites in software development, programming languages, data analysis, and machine learning. You will benefit from the latest insights and knowledge from top industry partners and get the right skills needed for these rapidly changing industries. Learn more about the program here.

About Constructor University

Founded in 2001 as a private, English-language campus university, it repeatedly achieves top results in national and international university rankings. Constructor University aims to transcend the traditional academic approach by combining educational fundamentals with project-based pedagogy and the latest in digital tools. It equips the young professional elites with the right skills and knowledge to address today's challenges and thrive in the job market.

About JetBrains

JetBrains is a global software company that creates professional software development tools and advanced collaboration solutions trusted by more than 15 million users worldwide. Since 2000, we have built a product catalogue that covers all stages of the software development cycle, major technologies, programming languages, and educational processes.

The product range includes award-winning tools, such as IntelliJ IDEA, PyCharm, ReSharper, and PhpStorm, and productivity-enhancing team tools like YouTrack, TeamCity, and Datalore. JetBrains is the creator of Kotlin, the officially preferred language for Android™ development.

For more information, please visit the webpage.

Greetings Codeforces community!

We are excited to announce the Constructor Open Cup 2023, our annual online programming competition organized by Constructor University and JetBrains.

What is the Constructor Open Cup 2023?

Constructor Open Cup is an online contest organized by Constructor University and JetBrains, the global leading tool provider for developers, to promote interest in computer science, data science, software development, and software engineering. You'll have to race against the clock to solve real-life programming challenges.

Put your knowledge and skills to the test in this 4-hour competition and stand a chance to walk away with a scholarship for the Bachelor's degree in Data Science and Software Development at Constructor University, Germany’s #1 private university*!

Constructor Open Cup timetable

• March 23-29, 2023 | Practice Round

Get familiar with the testing environment during this practice round. We highly recommend this optional step. Don’t worry: it won’t affect your final score!

• March 30, 2023 at 2 PM (UTC) | Main Round

You will have 4 hours to complete a series of algorithmic programming tasks of various difficulty levels.

Registration closes 1 hour before the start of the contest.

Prizes and Winner Announcement

The top candidates will receive exciting prizes, including:

• Chance to get scholarships for the Bachelor’s degree in Data Science and Software Development*
• Exciting memorable gifts from Constructor University and JetBrains

We're looking forward to seeing your programming skills on competition day, and we wish you the best of luck.

*The winners who applied to the BSc program in Data Science and Software Development will receive an email to schedule the interview with Constructor University professors and JetBrains.

Can I participate?

Everyone is welcome! The contest is open for all ages and skill levels, all you need is a passion for coding.

To get the chance for the JetBrains scholarship for Data Science and Software Development program, please check Constructor University’s eligibility requirements.

How can I participate?

• Register your details here.
• Register at Codeforces using the Login/Password you receive in the confirmation email.
• If you have any further queries, please reach out to [email protected].

Why should I join the Constructor Open Cup?

Previously known as ‘STAR Contest’, the competition attracted more than 1,600 contestants across 82 countries over the past three years. Renamed to Constructor Open Cup in 2023, this contest welcomes all regardless of age, qualifications, or skill level.

By participating in the Constructor Open Cup, you will:

• Get recognized by top science and technology leaders
• Pit your algorithmic problem-solving skills against competitors from other countries
• Get a chance to get a full scholarship for BSc program in Data Science and Software Development

Don't miss out on this exciting opportunity to challenge yourself and showcase your talents. Join the Constructor Open Cup today!

About the BSc Data Science and Software Development program

This program prepares talents to become tomorrow’s elites in software development, programming languages, data analysis, and machine learning. You will benefit from the latest insights and knowledge from top industry partners and get the right skills needed for these rapidly changing industries. Through real-world projects, the practice of the latest technologies, and the close mentoring of industry experts, you will gain a unique experience that sets you up for successful career opportunities. Learn more about the program here.

About Constructor University

Founded in 2001 as a private, English-language campus university, it repeatedly achieves top results in national and international university rankings. Its more than 1,600 students come from over 110 countries, and around 80 percent have moved to Germany to study. Research projects at the University are funded by the German Research Foundation, the European Union's Framework Program for Research and Innovation, and global leading companies.

About JetBrains

JetBrains creates intelligent software development tools used by over 15.9 million professionals and 90 Fortune Global Top100 companies. Its lineup of more than 30 products includes IDEs for most programming languages and technologies, such as IntelliJ IDEA, PyCharm, and others, as well as products for team collaboration, like JetBrains Space. JetBrains is also known for creating the Kotlin programming language, recognized by Google as the preferred language for Android development. The company is headquartered in Prague, Czech Republic, and has offices throughout the world. For more information, please visit https://www.jetbrains.com/

Hello, Codeforces!

We are thrilled to announce the dates of our annual online programming competition, the SIT & JUB STAR Contest 2022, organized by the Schaffhausen Institute of Technology (SIT) in Switzerland and our partner Jacobs University Bremen (JUB) in Germany.

Winners will have the chance to receive exciting prizes, including a full scholarship for Master in Computer Science and Software Engineering program.

What is the SIT & JUB STAR Contest?

The goal of the SIT & JUB STAR Contest is to promote interest in the field of Computer Science and Software Engineering, giving participants an opportunity to demonstrate their knowledge of programming. It is also a winning ticket for full scholarship to a master program. To participate, click here.

The SIT & JUB STAR Contest 2022 timetable

April 16 15:00 (UTC), 2022 | Practice Round: An opportunity to familiarize yourself with the testing environment. You can practice any time from April 16 to 5 minutes before the Final Round. This is an optional step but we highly recommend taking part in it. The results of this round will not affect your final score.

April 26 08:00 (UTC), 2022 | SIT & JUB STAR Contest: The contest starts at 8 am, UTC, on April 26. You have 4 hours to complete all requested tasks, which include 8 to 12 problems of various levels of difficulty in algorithmic programming.

DATES | Interview Round and Winner Announcements: Participants with the highest scores will be invited for the interview round with professors from SIT and Jacobs University Bremen. Winners will be notified by email.

Prizes

Several prizes are offered to the top candidates:

• Full scholarships for the Master in Computer Science and Software Engineer program offered in Switzerland and Germany
• Other scholarship options available
• Some exciting gifts from Switzerland and Germany!

Who can participate?

Everyone is welcome! The contest is open for all ages and skill levels, all you need is a passion for coding.

To be eligible to win the full scholarship, please consult the following guidelines.

How can I participate?

• Fill out the contest registration form here.
• Register at Codeforces using a special link you will receive in the confirmation email. Please fill in the same email address you used in the registration form.
• If you have any further queries, please reach out to [email protected]

About the Master in Computer Science and Software Engineering

Our 2-year hybrid Master in Computer Science and Software Engineer brings the latest must-knows in science, tech and business, through lively lectures by renowned field leaders and hands-on lab activities. With this program, go from studying in Schaffhausen in Switzerland, known for its excellence in IT science and technology, to Bremen in Germany, a vibrant campus for English-speaking students, with a rich academic tradition. Click here to learn more.

About SIT and Jacobs University Bremen

SIT is a global institution dedicated to promoting Science, Education and Technology. Headquartered in Schaffhausen, Switzerland, SIT is a growing ecosystem comprised of a non-profit component, with education and research, as well as commercial technology spin-offs, consulting services, a start-up incubator and investment funds.

Thanks to its two English-language campuses – in Bremen, Germany and in Schaffhausen, Switzerland – SIT offers interdisciplinary university programs to students from around the globe with flexible learning models. With a research-centric approach and an entrepreneurial mentality at its core, the SIT education ecosystem is a gateway to the next generation of digital leaders.

We look forward to seeing you show off your programming skills on competition day.

Good luck!

Hey Codeforces,

Don’t miss tomorrow’s SIT STAR Contest 2021, organized by the Schaffhausen Institute of Technology (SIT) in Switzerland to promote interest in Computer Science and Software Engineering.

The online coding contest will be happening tomorrow on February 10, from 8:00 to 12:00 am UTC.

During the event, you will face 12 or 13 algorithmic programming challenges of increasing difficulty (Div 4, Div 3, Div 2). The contest is open to all, and you can sign up for free here.

Why participate?

Apart from being a fun coding experience, SIT STAR Contest 2021 is the easiest way to enroll in a fully-funded master’s program in Computer Science and Software Engineering at SIT. The prizes at stake range from small souvenirs from Switzerland to tuition waivers for master’s students to full scholarships the cover both tuition and living expenses.

Note that you must hold a bachelor’s degree or be in the final year of your studies to join SIT in September 2021.

Don’t miss your chance to continue your studies at SIT!

More about SIT

Schaffhausen Institute of Technology is founded by entrepreneurs, led by scientists, and advanced by world-class researchers. Based in Schaffhausen, Switzerland, SIT drives knowledge through science across many projects. In particular, SIT Master’s offers a blended degree in Computer Science and Software Engineering that you can attend in person, online, or as a mix of both.

Dear Codeforces,

Today, Schaffhausen Institute of Technology in Switzerland is opening SIT STAR Contest to promote interest in Computer Science and Software Engineering. The final round is scheduled for February 10, but you can already sign up and practice for the big day. In this contest, you get to solve up to 12 challenges in algorithmic programming in just 4 hours and a chance to study at SIT with a full scholarship!

When?

1. February 1-7, 2021 | Practice Round You can already try the testing environment. Although not obligatory, this step will help you feel more confident during the actual contest. The results of this practice round won’t affect your final score.
2. February 10, 2021 | SIT STAR Contest Join the final round on February 10 at 8 am UTC. You will have 4 hours to complete the tasks.
3. June — July 2021 | Interviews and Winners Announcement The participants with the highest scores will be invited for an interview with the Professors from SIT. Based on the results of the interview, you may be offered a full scholarship for MSc in Computer Science and Software Engineering at SIT.

In SIT STAR Contest, you can:

• solve mind-blowing algorithmic problems efficiently and fast
• get noticed by top-level science and tech leaders from SIT
• win surprise gifts from Switzerland
• compete for SIT STAR Scholarship

We offer several full scholarships and several tuition waivers for MSc in Computer Science and Software Engineering. To learn more about the program, click here.

SIT STAR Contest is open to everybody. Everybody can participate in the contest for free.

However, if you are competing for the SIT STAR Scholarship prize, you should:

• Have a bachelor's degree in Computer Science or any other STEM field, or be in the final year of your studies.
• Speak English at a level sufficient to pursue graduate studies.

Meet SIT

Schaffhausen Institute of Technology is founded by entrepreneurs, led by scientists, and advanced by world-class researchers. Based on a blended education model, SIT brings knowledge through science and shapes next-gen digital leaders. To learn more, head to http://sit.org.

Good luck!