Rules

Either round

• You have 100 minutes from the moment you start solving problems
• No aids are allowed, except scratch paper and writing implements. A compass and ruler is also allowed, but no protractor, calculator or other digital or analog aids
• A dictionary is allowed

First round

• The date for the first round is in the beginning of November each year.
• There are 20 problems in the first round
• For each problem five solution alternatives are given, just one of them is correct
• You get five points for each correct answer and zero points for an incorrect answer
• You get one point for each unanswered question, whether or not you checked the box for a blank answer – so you get 20 points out of 100 possible if all your answers are blank

Second round

• The second round is in the beginning of January each year.
• The best tenth from the first round are qualified for the second round
• The second round is also at the schools, in a similar fashion as for the first round
• There are ten problems in the second round
• The answer to each problem is an integer in the range 0–999