Importance: Medium ✭✭
Author(s): Erickson, Martin
Subject: Combinatorics
Keywords: game
Recomm. for undergrads: yes
Posted by: Martin Erickson
on: June 29th, 2010
Problem   Two players alternately write O's (first player) and X's (second player) in the unoccupied cells of an $ n \times  n $ grid. The first player (if any) to occupy a set of $ n $ cells having no two cells in the same row or column is the winner. What is the outcome of the game given optimal play?


* indicates original appearance(s) of problem.


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