DE-BUNDESWETTBEWERB 2009 Problem 5
- Round 2
At the start of a game there are three boxes with and game pieces Anja and Bernd play in turns according to the following rule: When it is your turn, select two boxes, empty them and then distribute the pieces from the third box to the three boxes, such that no box may remain empty.If you can no longer complete a turn, you have lost. Who has a winning strategy when Anja starts?
Dataset text AI-MO AoPS. Quoted with source.
Official text: Bundeswettbewerb Mathematik 2009 official paper, page 1.
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