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wu :: forums    riddles    hard (Moderators: Icarus, Grimbal, towr, william wu, Eigenray, SMQ, ThudnBlunder) Pages: 1 ... 3 4 5 6 7  ...  27 Start new topic    Subject Started by Replies Views Last post Cope-atz Conjecture aicoped 5 4785 Nov 6th, 2011, 11:01am by aicoped Alien Abduction Enigami 4 5959 Feb 15th, 2010, 12:53pm by Enigami Moved: challange puzzle RajivG 0 2488 Oct 21st, 2011, 12:07am by Hippo Differentiation Disaster « Pages 1 2 » -D- 48 35224 Dec 8th, 2008, 3:59pm by Gary Moved: Hard 1, need answer ASAP! Infernal_Max 0 2585 Sep 5th, 2011, 1:37pm by Infernal_Max CRIMINAL CUPBEARERS with 3 Prisoners 3point1415 0 2408 Aug 22nd, 2011, 7:13am by 3point1415 Unsolved: 3x+1 Sequence Conundrum Sameer 15 7512 Aug 10th, 2011, 7:56am by swt Chessboard Conundrum chetangarg 11 2333 May 6th, 2011, 10:13am by JohanC Can you help FBI Crack Victim's Crypted Message denis 0 1827 Apr 1st, 2011, 10:50pm by denis Pythagorean factorials JocK 3 2111 Feb 12th, 2011, 10:25pm by x2862 Maximise Uncertainty ThudnBlunder 1 1695 Jan 29th, 2011, 9:56am by ThudnBlunder Last post Immanuel_Bonfils 1 1608 Sep 21st, 2010, 11:49pm by towr differential equation hparty 4 2044 Sep 24th, 2010, 10:27am by Aryabhatta Simulated Continuous Random Variables william wu 8 3099 Sep 23rd, 2010, 2:36pm by pex Prisoners again- with 2 switches « Pages 1 2 » mad 32 17682 Aug 11th, 2010, 12:18am by Hippo n prisoners and a k-state switch Hippo 18 7071 Aug 8th, 2010, 12:54am by Hippo Infinite Quarter Sequence - what about 3 piles? profcool 5 2766 Aug 6th, 2010, 7:35am by Grimbal Product and Sum, a variation Grimbal 22 1919 Aug 5th, 2010, 3:37am by abcbcdcdef Moved: make the sum zero sak_lko 0 1090 Aug 2nd, 2010, 11:34am by sak_lko fourier transform  of distributions trusure 2 1427 Mar 17th, 2010, 10:50am by Obob How far can a truck go carrying it own fuel? « Pages 1 2 3 » Feijia Zhu 73 12469 Apr 19th, 2010, 8:03am by N/A PDE trusure 11 1992 Apr 15th, 2010, 11:54am by Obob Sink The Sub « Pages 1 2 » - chris 35 16818 Apr 15th, 2010, 10:09am by Aryabhatta Moved: Maximum Subarray with equal no of 1s and 0s sateesp 0 1507 Mar 11th, 2010, 11:15pm by sateesp Moved: Vending machine problem. sateesp 0 1041 Feb 27th, 2010, 1:18am by sateesp Card Game aicoped 9 3171 Jan 31st, 2010, 6:30pm by aicoped CALENDAR CUBES 1 - The answer slaverstudent 2 5137 Jan 26th, 2010, 3:04am by slaverstudent HARD: Message Reconstruction Icarus 1 2977 Jan 8th, 2010, 11:35pm by mk Moved: Impossible Question diemert 0 799 Nov 16th, 2009, 4:36am by diemert island dilemma Ankitt_sk 1 1148 Oct 28th, 2009, 12:40am by towr Pages: 1 ... 3 4 5 6 7  ...  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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