Problem 3, Mar/Apr 2020 (derby)
Problem 3, Mar/Apr 2020 (rhodes)
Problem 3, May/Jun BLTN (2009 J/F 2)
Problem 3, May/Jun 2019 (marcoline)
Problem 3, May/Jun 2019 (walton)
Problem 2, Mar/Apr 2019 (emmes)
Problem 2, Mar/Apr 2019 (rhodes)
Problem 2, Nov/Dec 2018 (bielecki)
Problem 2, Nov/Dec 2018 (harmse)
Problem 3, November/December 2017 (chandler)
Problem 3, November/December 2017 (Makhoul-1)
Problem 3, November/December 2017 (Makhoul-2)
Problem 3, November/December 2017 (Rhodes)
Problem 3, November/December 2017 (Rhodes new)
Problem 2, September/October 2017 (Ansoorian)
Problem 2, September/October 2017 (Bielecki)
Problem 2, September/October 2017 (Muldowney)
Problem 2, July/August 2017 (Metzger)
Problem 2, January/February 2017
Problem 1, January/February 2017
Problem 1, November/December 2016 (Heflinger)
Problem 1, November/December 2016 (Mita)
Problem 3, July/August 2016 (Maloney)
Problem 3, July/August 2016 (Wampler)
Problem 2, March/April 2016 (Rhodes)
Problem 3, November/December 2015
Problem 3 (text), May/June 2015
Problem 3 (table), May/June 2015
Problem 1, January-February 2015
Problem 2, January-February 2015
Problem 3, January-February 2015 (detlets)
Problem 3, January-February 2015 (soncrant)
Problem 1, November/December 2014
Problem 3, September/October 2014
Problem 3, May/June 2014 (morgen)
Problem 3, May/June 2014 (stein)
Problem 1, May/June 2014 (loeb)
Problem 1, May/June 2014 (nimmo)
Problem 1, January/February 2014
Problem 3, September/October 2013 (sezginer)
Problem 2, May/June 2013 (maloney's solution)
Problem 2, May/June 2013 (grossman's simulation)
Problem 2, May/June 2013 (grossman's recurrence)
Problem 2, March/April 2013 (lively)
Problem 2, March/April 2013 (sard's text)
Problem 2, March/April 2013 (sard's figure)
Problem 3, March/April 2013 (shin)
Problem 2, January/February 2013 (barrows)
Problem 3, September/October 2012 (shin)
Problem 3, September/October 2012 (grossman)
Problem 3, September/October 2012 (fischler)
Problem 3, September/October 2012 (klincewicz and shulman)
Problem 3, May/June 2012 (Marcoline)
Problem 3, May/June 2012 (Rajapark)
Problem 2, January/February 2012 (Smith)
Problem 2, January/February 2012 (Wake)
Problem 3, November/December 2011 (Rhodes)
Problem 3, November/December 2011 (Sidney)
Problem 3, November/December 2011 (Staples)
Problem 3, September/October 2011
Problem 3, March/April 2011, generalized
Problem 3, March/April 2011 text and figure
Problem 2, July/August 2010 Part 1
Problem 2, July/August 2010 Part 2
Problem 2, November/December 2009
Problem 3, November/December 2009
Problem 3, November/December 2009 revision
Problem 3, Septemper/October 2009
Problem 3, Mar/April 2009, karnofsky
Problem 3, Mar/April 2009, turnbull
Problem 3, September/October 2008
Problem 1, November/December 2007
Problem 2, November/December 2007, animated
Problem 2, November/December 2007
Problem 3, September/October 2007
Problem 2, July 2005, solution 1
Problem 2, July 2005, solution 2
Problem 3, October 2003 (addendum)
Allan Gottlieb
