HP SCDS is proud to be hosting its third HP CodeWars Edition in León!

This programming challenge is addressed to students (from 14 to 18 years old), 3rd ESO to 2nd BAC and Middle Level Formative Cycles and took place for the first time 19 years ago in Houston (Texas). In 2017, 10 different HP sites all over the world organized this context, among them 4 in Europe: Newcastle, Barcelona, León and Madrid

With this initiative, HP aims to raise interest in STEM careers among youth, both girls and boys, and identify talent. The target is to promote an educational, collaborative and fun contest. We hope that you are ready to spend an exciting and challenging day at HP León!

The contest will take place on February the 17th in León.

Let's Code !!!




memesquad68IES Río Órbigo
teamturing68Nuestra Sra de Lourdes
_init_iados62Maristas San José
blackcoders43IES Eras de Renueva
team_mystify31La Salle Astorga
amd19IES Via de la Plata
i-cntrl-o18Maristas San José
maristech18Maristas San José
los_troyanos17Nuestra Sra de Lourdes
buggysoft16San José Valladolid
alrojo10IES Lancia
girl_code10Maristas San José
patrosky_team10IES San Andrés
reset_team9Nuestra Sra del Carmen (Carmelitas)
syntaxerror9IES Juan del Enzina
team_alpha9Colegio Virgen Blanca
whatsapp9Colegio Virgen Blanca
cheat_codes3Nuestra Sra del Carmen (Carmelitas)
colegio_leones3Colegio Leonés
colegio_leones_23Colegio Leonés
colegio_leones_33Colegio Leonés
cristo_rey_d3Cristo Rey
cristo_rey_e3Cristo Rey
cristo_rey_f3Cristo Rey
error4043Maristas San José
los_chunches3IES San Andrés
los_mendas3Maristas San José
pr0gr4m_eras3IES Eras de Renueva
ramones_y_mazmorras3San José Agustinas
rayo_vallacaño3San José Agustinas
sinnombre_2.03Virgen Blanca
the_noobs3IES San Andrés
und3rcode3IES Eras de Renueva
carvelan2Nuestra Sra del Carmen (Carmelitas)
código_azul1San José Agustinas
cristo_rey_a-Cristo Rey
cristo_rey_b-Cristo Rey
cristo_rey_c-Cristo Rey
tgymr-IES Lancia
infinidev_team-*IES Alvaro Yañez

First and second position were decided due quality code as specified in the rules.

*: Team disqualified due to infringement of the CodeWars rules.

Download PDF version


09:30-10:00 ACREDITATION
10:30-13:00 COMPETITION
13:00-13:30 HP GAMING



TALK BY ANA LOPEZ NAVAJAS: Dña. Ana López Navajas, "Niñas, mujeres y ciencia: una historia por contar".

12:30-13:00 HP GAMING: HP Omen X VR

Frequently Asked Questions (F.A.Q.)

What is CodeWars about?

It is a programming competition that has been taking place for 20 years now, starting in Houston (USA). It is now a well-known event among the American students. In the last edition, in 2017, 10 differents HP sites participated in the contest, including cities as Taipei, Bangalore, Barcelona, León, Madrid and Newcastle UK.

Who can participate?

All the students from 3rd ESO to 2nd of BAC and Middle Level Formative Cycles between 14 to 18 years old (students born in 2000 included) even if they do not have advanced knowledge in programming but are fond of learning and competing! Maximum of 3 teams per school are allowed. All team members are required to be from the same school.

Why are HP León and Madrid organizing it?

We aim to raise the interest in computer Science among the youth and also to identify the talent among the students of the area. We also target to promote an educational, collaborative and fun contest!

When will the competition take place?

CodeWars will take place on Saturday February the 17th in León and on Saturday February the 27th in Madrid.

What is the agenda of the event?

You can see the details in the agenda tab.

Games rules

  • Codewars is a contest where the teams have to resolve problems about several topics using the programming languages suggested.
  • We suggest a list with problems. Theirs score depend on its level of complexity.
  • The teams will select the problems and try to solve them in 3 hours.
  • During the contest, no help from the teachers will be allowed nor the access to the Internet. By the other hand, you can consult books and notes.
  • The team get the total score of problem with a correct solution.

Who will win CodeWars?

The contest will be won by the team that get more points.

How will be the problems?

We suggest a list with problems. Theirs score depend on its level of complexity. The first problem will be the easier and with low score and the last one will be the more complex and with higher score.

Which programming languages we can use?

The programming languages suggested are: C, C++, Python and Java.

Would you like to use another language? You can send us your proposal by email.

Which will be the level of complexity?

No matter if you are an expert in programming or not, but minimum knowledges are required:

  • Primitive data types: int, float, char.
  • Strings and array of chars.
  • Arrays.
  • Selection statements: if, if-else, switch…
  • Iteration statements (loops): for, while, repeat, foreach…

You will be able to resolve the problems better if you know about:

  • Algorithms.
  • Mathematical Logic.
  • Reading a text file.

You will be able to solve several problems!

But you not only solve problems in CodeWars! You will learn and enjoy with your classmates and with us!


Keep in touch to get this information ;)

How can we register for the event?

Form a team with 3 members. Talk with your teachers and they will fill the enrollment with your data. Please use the registration form.

When we register for the event?

From December the 1st to February the 6th (02:00PM).

How to get ready for the competition?

You will find in this booklet, some examples of wordings used in past editions. In order to find more problems and further information, please visit our website of resources: Resources.

What if we have more questions about CodeWars?

If you have any other questions, please do not hesitate to contact us via email:

Virtual Programming Lab (VPL) Moodle code editor plugin
VPL Demo Moodle platform demo Non-profit foundation promoting computer science education
Codecademy Interactively learn to program languages like JavaScript, Python, and Ruby online, for free.
KhanAcademy Various tutorials on CS-related topics
Alfred Thompson blog Microsoft blogger Alfred Thompson's thoughts and information on teaching CS at the K-12 level.
CodeWars examples CodeWars Examples
Julia Morros 1
Parque Tecnológico de León
24005 León
Maps link

Please download an sign this document (for each contendient) before the competition starts.