https://www.lomont.org/tags/riddle/ Recent content in Riddle on Lomont.org Hugo en-us Fri, 26 Jul 2024 07:50:18 -0400 https://www.lomont.org/posts/2024/minimaltictactoe/ Fri, 26 Jul 2024 07:50:18 -0400 https://www.lomont.org/posts/2024/minimaltictactoe/ <!--summary--> <p>Derivation of a minimal size tree for playing perfect tic tac toe</p> https://www.lomont.org/riddles/how-many-prisoners/ Thu, 06 Jun 2019 07:55:47 -0400 https://www.lomont.org/riddles/how-many-prisoners/ <p>Summary</p> https://www.lomont.org/riddles/prisoners-in-limbo/ Thu, 06 Jun 2019 07:55:47 -0400 https://www.lomont.org/riddles/prisoners-in-limbo/ <p>Summary</p> https://www.lomont.org/posts/2017/walking-ant/ Wed, 01 Nov 2017 17:08:08 -0400 https://www.lomont.org/posts/2017/walking-ant/ <p>Here&rsquo;s a math puzzle.</p> https://www.lomont.org/posts/2017/fractran/ Mon, 01 May 2017 17:08:08 -0400 https://www.lomont.org/posts/2017/fractran/ <p>Here&rsquo;s FRACTRAN, a weird fraction based programming language, written in FRACTRAN.</p> https://www.lomont.org/posts/2017/making-three-not-gates/ Sat, 17 Sep 2016 17:08:08 -0400 https://www.lomont.org/posts/2017/making-three-not-gates/ <p>This is a hard puzzle about using two NOT gates to build three.</p> https://www.lomont.org/posts/2016/random-segment-length/ Tue, 23 Aug 2016 17:08:08 -0400 https://www.lomont.org/posts/2016/random-segment-length/ <p>What&rsquo;s the average length of a segment chosen uniformly by area on a unit square?</p> https://www.lomont.org/posts/2016/how-many-prisoners/ Tue, 23 Aug 2016 17:08:08 -0400 https://www.lomont.org/posts/2016/how-many-prisoners/ <p>This is a nicely hard problem in the common prisoners and warden format.</p> https://www.lomont.org/posts/2016/pick-a-number/ Tue, 23 Aug 2016 17:08:08 -0400 https://www.lomont.org/posts/2016/pick-a-number/ <p>Here&rsquo;s a result that is completely non-intuitive.</p>