olymmath

KöMaL 2019 B5052

    Two players, First and Second take turns in writing a number 0 or 1 in the fields of a 19×1919\times 19 table, initially all blank. When all fields are filled in, they calculate the sum of each row, and the sum of each column. Let the largest row sum be AA, and let the largest column sum be BB. If A>BA>B then First wins the game. Second wins if A<BA<B, and it is a draw if A=BA=B. Does either of the players have a winning strategy?

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