RU-ALLRUSSIAN 2019 Problem 107
students attend a mathematical circle. For any team consisting of students, the teacher considers it to be either GOOD or OK. For the tournament of mathematical battles, the teacher wants to partition all the students into teams of students each. May it happen that every such partition contains either GOOD teams or exactly one GOOD team and both options are present?
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.