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wu :: forums    riddles    hard (Moderators: SMQ, william wu, towr, Icarus, ThudnBlunder, Grimbal, Eigenray) Pages: 1 2 3 4 5 6  ...  27 Start new topic    Subject Started by Replies Views Last post Locker Room Dilemma inexorable 18 7278 Oct 15th, 2012, 5:03am by rmsgrey Holidays in Bahamas Altamira_64 4 4832 Oct 12th, 2012, 7:56am by Altamira_64 How many queens? « Pages 1 2 » Icarus 26 12435 Oct 6th, 2012, 5:09am by peoplepower partial algorithm to dropping eggs summersolstice 0 4921 Oct 5th, 2012, 1:12pm by summersolstice Pop Quiz Riddle « Pages 1 2 3 4 5 6 7 8 9 10 » Jackass 242 78500 Apr 28th, 2012, 1:30pm by Bobzor Fractal Gemotry simsimthedim 3 8718 Aug 28th, 2012, 5:48am by rmsgrey Moved: 10x10 Vending Machine mattian 0 4229 Jul 17th, 2012, 8:54am by Grimbal Seating Couples william wu 6 12486 Jul 19th, 2012, 6:33am by nakli Variation to the sum - product riddle Altamira_64 11 4574 Jun 25th, 2012, 4:24am by N/A Mosquitoes and new repellent Altamira_64 7 4908 Jun 17th, 2012, 1:52am by Altamira_64 Fitting Circles In A Rectangle SWF 17 18231 May 29th, 2012, 11:13am by Grimbal CHECKING ROBOTS karlpa 7 5387 May 26th, 2012, 4:02am by rmsgrey Sprinting event Altamira_64 2 3547 May 17th, 2012, 3:30am by Altamira_64 NIM game Altamira_64 3 3219 May 8th, 2012, 12:12pm by towr The Rubix Cube: a match challenge ! drakebr 2 2871 Apr 20th, 2012, 1:12pm by brac37 Possible-Solution -to the- "Three-Way-Pistol-Duel" Talabeh 1 4960 Apr 8th, 2012, 1:54am by towr "Moving" Binary Search Riddle k2xl 2 4221 Sep 16th, 2011, 4:27pm by Hippo TopSwops nakli 1 6945 Oct 28th, 2010, 9:06am by towr Lazy hunter catch the rabbit. « Pages 1 2 » ERIC H. ZENGULUS 29 16077 Mar 26th, 2012, 7:02am by rmsgrey Combinations of Pi and Sqrt(2) « Pages 1 2 3 » william wu 60 21957 Mar 15th, 2012, 2:26pm by Mickey1 NEW PROBLEM:  The Gods of Gibberland « Pages 1 2 3 4 5 » Eric Yeh 103 18332 Jan 19th, 2012, 10:13am by towr 100 prisoners & a lightbulb: Technical SMQ 17 26508 Feb 29th, 2012, 7:52am by Hippo Group existence k505rst 7 2821 Feb 13th, 2012, 8:30pm by Michael Dagg Two-Person Traversal of a Sequence of Cities S4T4N 7 7287 Jan 10th, 2012, 9:46am by towr Moved: expected number of hoops and loops inexorable 0 2000 Jan 8th, 2012, 5:44am by SMQ Peano, Godel and Goldbach Mickey1 2 2647 Dec 29th, 2011, 2:01am by Mickey1 THE MIRRORED MAZE atgdax 17 4783 Nov 29th, 2011, 4:46am by SMQ HARD: GREEDY PIRATES « Pages 1 2 3 4 5 » Frank Gevaerts 122 41149 Aug 9th, 2010, 4:13pm by Hippo Hard: BUTTON TRAP ROOM Viorel Canja 10 9941 Jan 23rd, 2011, 1:08am by Mickey1 SINGLE-FILE HAT EXECUTION oneself 23 17268 Nov 24th, 2011, 8:45am by rmsgrey Pages: 1 2 3 4 5 6  ...  27 Start new topic  Normal Topic Hot Topic (More than 15 Replies) Very Hot Topic (More than 25 Replies) Locked Topic Sticky Topic Sticky Locked Topic Forum Jump: ----------------------------- riddles -----------------------------  - easy   - medium => hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese

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