Combinatorial Game
Source: Baltic Way 2015
November 8, 2015
winning positionsCombinatorial gamescombinatorics
Problem Statement
Two players play the following game. At the outset there are two piles, containing and tokens,respectively . A move consists of removing any positive number of tokens from a single pile removing tokens from one pile and tokens from the other , where is divisible by . The player who can not make a move loses. Which player has a winning strategy