Macalester College Problems of the Week

Spring 2009

All problems © Copyright 2009 Shilad Sen and Dave Ehren. Reproduced with permission.

Please don't ask us for answers! Solutions for almost every problem are posted to the mailing list, but at Professor Wagon's request we do not reproduce them here. If you can't sleep without knowing the answer to one of these problems, please contact Professor Wagon at

2 September 2009