Welcome to HC² 2024

The Helvetic coding contest known as HC² is the biggest programming contest in Switzerland. Held over one day on the EPFL campus, it attracts over 200 participants with a passion for programming. After 4 years of absence, this year for the first time, the Polympiads association is organizing the event on Saturday April 13, 2024.

HC² is an occasion for students to collaborate, showcase their problem-solving skills, and create lasting memories.


Registration for HC² is now open! Click  here  to register. The deadline for registration is the 28th of March 2024.

The registration fee is 10 CHF which includes goodies and lunch (to be paid via bank transfer, details available on registration form).


Competition format:

Teams of up to 3 participants will work on challenging problems together.


Every person, irrespective of age, gender, nationality, or any other factor, is welcome to participate.

Programming languages and tools:

C++17, Java 11, Python 2.7 and Python 3.7.
You will be able to code using Emacs, Geany, Vim, Code::Blocks, Visual Studio Code, Atom, Kate, Eclipse, and GDB.


ACM, ICPC style competition problems, HC2 editorial-(2024)

What if i dont have a team:

Don’t worry! Register as a single participant, and we’ll try to find you a team. 

You can always participate alone, of course.


Here is a link to the [ rules ]  


We will provide food for: 

Morning: Breakfast buffet (croissants, chocolate, fruit juice, etc.) (included)

Lunch: Sandwiches, non-alcoholic drinks (included)

Evening: Pizza (Additionnal 12CHF)

I solemly swear that I am up to no good

Official Sponsor

Academic partners