Senior Category 2

Practice Challenge : Senior Category (age 16-18)

You are about to try the task from previous challenge, if you want participate in the official challenge ask you informatics coordinator or informatics teacher in your school to register you on

Warning because this is a sampling you will see immediate results whenever you answer a question.

Note that no answers are stored here, during the real challenge you will not see whether you have answer a question or task correct or wrong.