RU-SPB 2016 Problem 92
- Grade 9
On a board, several rooks are placed that beat the entire board. Within this case, each rook beats no more than one other rook. At what least , it is possible to state that there is at least one rook in each square ?
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.