P4 Cono Sur 2021
Source: Cono Sur 2021 P4
November 30, 2021
combinatoricsCombinatorial games
Problem Statement
In a heap there are stones. Two players and play removing stones of the pile, alternately starting with . A valid move for consists of remove or stones. A valid move for B is to remove or stones. The player who leaves the pile empty after making a valid move wins. Determine if some of the players have a winning strategy. If such a strategy exists, explain it.