12-24-2008 12:21 pm Hand waving proofs for the three questions I answered on Putnam 2008.12-24-2008 12:21 pm
A2 Alan and Barbara play a game in which they take turns filling entries of an initially empty 2008 × 2008 array. Alan plays first. At each turn, a player chooses a real number and places it in a vacant entry. The game ends when all the entries are filled. Alan wins if the determinant of the result...
