Hackathons and coding challenges

Check your coding skills with this simple task.

Type

Code practice challenge ~10min

Langs

bash, c, c++, c# and 21 more

Test your coding skills in the Rocket Corp SQL Challenge task!

Type

Code practice challenge ~1h 50min

Langs

sql

Test your coding skills in the tasks of the XXII Olympiad in Informatics for high schools in Poland

Type

Code practice challenge ~2h

Langs

bash, c, c++, c# and 21 more

Check your coding skills with this simple mathematical task.

Type

Code practice challenge ~10min

Langs

bash, c, c++, c# and 21 more

Check your coding skills with this simple string-processing task

Type

Code practice challenge ~25min

Langs

bash, c, c++, c# and 21 more

Check your coding skills and write a binary number converter

Type

Code practice challenge ~10min

Langs

bash, c, c++, c# and 21 more

Check your coding skills and make an order with your tasks!

Type

Code practice challenge ~25min

Langs

bash, c, c++, c# and 21 more

Test your coding skills with this simple mathematical task

Type

Code practice challenge ~10min

Langs

bash, c, c++, c# and 21 more

Test your coding skills and write a secret encoder!

Type

Code practice challenge ~25min

Langs

bash, c, c++, c# and 21 more

Check your coding skills and find all divisors of the number!

Type

Code practice challenge ~10min

Langs

bash, c, c++, c# and 21 more

Check your coding skills by writing a simple credit card number validator.

Type

Code practice challenge ~25min

Langs

bash, c, c++, c# and 21 more

Test your coding skills and write a simple exam checking tool.

Type

Code practice challenge ~10min

Langs

javascript, php, python2, python and 3 more