COMING SOON

Hack the Code Challenge Teen

A 6 hours online competition about coding and cyber security addressed to high school students

Info

March 12th, 2025
15:30 – 21:30 CET
1-6 people per team
1.500€ fo each member, 800€ each, 500€ each

are you a student between 14-19 years old?

Use your favourite programming language to compete against students from all around the world solving logical-mathematical problems and capture the flag challenges.

Play the Challenge and be selected for a scholarship!
Seize the chance for a 50% scholarship at Albert School campuses in European cities —team up and express your interest!
Are you a teacher? 
Request your kit to promote the challenge among your students
Play the Challenge and be selected for a scholarship!
Seize the chance for a 50% scholarship at Albert School campuses in European cities —team up and express your interest!
Are you a teacher? 
Request your kit to promote the challenge among your students
Climb the High School Students' League
Join and win a €2,000 donation and a coding course designed for you.

It's the Challenge day!

What's the challenge about?

The Hack the Code Challenge Teen Edition is an international team-based competition combining coding and cybersecurity for high school students. Teams will solve 5 algorithm-based problems, each with 4 progressively challenging input files, plus a bonus CTF (Capture the Flag) input. Successfully solving the CTF bonus will double the points earned for the related problem. Teams have 6 hours to complete all the challenges.

TEEN ED.
Dedicated to high school students aged from 14 to 19 years the day of the challenge, with simpler problems and exclusive learning materials about coding and cybersecurity.
  • REGISTRATION
    Jan 24 - Mar 11, 2025
  • TEAM UP
    till Mar 11, 2025
  • TRAINING
  • CHALLENGE DAY
    Mar 12, 2025 - 15:30 CET
  • AWARDS
    by March 31st, 2025
registrations will close in

00 days

00 hours

00 minutes

Join before it’s too late

To play the challenge registration in a team is needed even though you'll play alone (team made of 1).

Register by 11th March, 23:59 CET.

While registering, tell us the name of your High School to join the High School Students' League and try to win 2.000€ for your school and a coding class designed for your class by Reply experts.

Are you a university students over 16 or a young professional?
Discover the Code Challenge Standard edition

Form your team online

To compete you have to form a team from 1-6 members.

  • If you already know some good coders and security experts, create your own team and invite your friends.

  • Otherwise search for and meet new teammates from all over the world on the Discord server.

⚠️ If you don’t join any team, your registration won’t be completed and you cannot take part to the challenge.

Not confident with coding and security?

No worries! There is always room for improvement. Access exclusive learning material in order to collect knowledge and hints to face the competition.

Breaking news
This year, discover new things about the most common cyber security attacks with some Capture The Flag problems. Learn with the basic tips in the Train&Learn section and check out the write-ups from previous editions to discover the best approaches.

Have fun while coding!

Teams will solve 5 algorithm-based problems, each with 4 progressively challenging input files, plus a bonus CTF (Capture the Flag) input. Successfully solving the CTF bonus will double the points earned for the related problem. Teams have 6 hours to complete all the challenges. 

A leaderboard will be regularly updated to show how your and other teams are performing.

Win unique prizes

One week after the challenge day the final leader board will be published together with the best solutions. Each member of the winning team will get a reward of:

🥇 1.500€ each member
🥈 800€ each member
🥉 500€ each member

Afraid of the low positions? Register to the High School Students' League and get the chance to win a prize for your School.

Why taking part

icon-rocket
Improve your knowledge
while having fun
icon-connection
Connect with talented
Replyers
icon-globe
Build your international
network of friends
icon-award
Earn your spotlight
and win unique prizes

Thanks to the Code Masters & Keen Minds

The challenge has been designed by a team of 22 coding and security experts from Reply, that will support you on the day of the challenge.

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Marco

CODE MASTER
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Matteo

KEEN MIND
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Stefano

Code master
Card picture

Giuseppe

CODE MASTER
Card picture

Gabriele

KEEN MIND
Card picture

Gaspare

Code master
Card picture

Francesca

KEEN MIND
Card picture

Rosa

Keen mind
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Chiara

Code master
Card picture

Gianmarco

Code master
Card picture

Matteo

Keen Mind
Card picture

Giacomo

CODE MASTER
Card picture

Mattia

keen mind
Card picture

Claudio

CODE MASTER
Card picture

Federico

Keen Mind
Card picture

Alessandro

Keen Mind
Card picture

Mirko

Code master
Card picture

Thierry

code Master
Card picture

Sirian

Code master
Card picture

Luca

code master
Card picture

Marino

Code Master
Card picture

Francesco

Code master
Card picture

Maurizio

Code master

Thanks to the Code Masters

The challenge has been designed by a team of 19 coding experts from Reply (the Code Masters), that will support you the day of the challenge.

Card picture

Marco

Reply
Card picture

Stefano

spike digital it
Card picture

Maurizio

Live IT
Card picture

Giuseppe

Concept Engineering IT
Card picture

Thierry Massimiliano

Live IT
Card picture

Gaspare

Reply
Card picture

Mirko

Cluster IT
Card picture

Marino

net it
Card picture

Chiara

Healthy it
Card picture

Gianmarco

Blue it
Card picture

Francesco

Blockchain IT
Card picture

Giacomo

Healthy IT
Card picture

Luca

Healthy IT
Card picture

Claudio

Healthy it
Card picture

Daniel

Canvas DE
Card picture

Andreas

Canvas De
Reply logo

Jorn

Canvas DE
Reply logo

Saif Ben

Canvas De
Reply logo

Sirian

Open IT

Thanks to the Code Masters

The challenge has been designed by a team of 19 coding experts from Reply (the Code Masters), that will support you the day of the challenge.

Card picture Card icon

Marco

Reply
Card picture Card icon

Stefano

spike digital it
Card picture Card icon

Maurizio

Live IT
Card picture Card icon

Giuseppe

Concept Engineering IT
Card picture Card icon

Thierry Massimiliano

Live IT
Card picture Card icon

Gaspare

Reply
Card picture Card icon

Mirko

Cluster IT
Card picture Card icon

Marino

net it
Card picture Card icon

Chiara

Healthy it
Card picture Card icon

Gianmarco

Blue it
Card picture Card icon

Francesco

Blockchain IT
Card picture Card icon

Giacomo

Healthy IT
Card picture Card icon

Luca

Healthy IT
Card picture Card icon

Claudio

Healthy it
Card picture Card icon

Daniel

Canvas DE
Card picture Card icon

Andreas

Canvas De
Reply logo Card icon

Jorn

Canvas DE
Reply logo Card icon

Saif Ben

Canvas De
Reply logo Card icon

Sirian

Open IT

Any doubts?

How will we get updates about the Reply Hack the Code Challenge Teen?

You’ll receive emails before and after the challenge, so check your mailbox regularly. During the challenge, you can message the Reply Code Masters and Keen Minds via chat if you have questions.

How does the challenge work?

Teams will solve 5 algorithm-based problems, each with 4 progressively challenging input files, plus a bonus CTF (Capture the Flag) input. Successfully solving the CTF bonus will double the points earned for the related problem. Teams have 6 hours to complete all the challenges. 

To help teams better understand each problem, we’ll publish the statement (detailing the problem to solve), some helpful assumptions, the input/output format, and some examples of correct input/output combinations.

Who wins?

At the end of the challenge, the Reply Code Masters and Keen Minds will review and validate the scoring submission from top-ranked teams on the leaderboard. The Reply Code Masters’ and Keen Minds' decisions regarding the rules of the competition are final and indisputable.

Join our community of challengers and start playing.

Get even more curious: discover the other challenges