replacing k by k+1 or 2k, don't get over n
Source: VJIMC 2006 1.3
June 28, 2021
gamecombinatorics
Problem Statement
Two players play the following game: Let be a fixed integer greater than . Starting from number , each player has two possible moves: either replace the number by or by . The player who is forced to write a number greater than loses the game. Which player has a winning strategy for which ?