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wu :: forums    riddles    hard (Moderators: ThudnBlunder, Grimbal, william wu, Icarus, SMQ, Eigenray, towr) Pages: 1 ... 18 19 20 21 22  ...  27 Start new topic    Subject Started by Replies Views Last post A man has an office Radiohead_man 5 2047 Jan 10th, 2005, 8:16pm by rmsgrey Sator Arepo Tenet Opera Rotas Leo Broukhis 4 4150 Dec 21st, 2004, 12:47am by T.C.Tighiliu Shortest curve JocK 11 907 Dec 16th, 2004, 4:19am by Barukh Hard- Mastermind2, Vanishing Dollar Cze-Jwin 4 1159 Dec 13th, 2004, 4:27pm by Brad711 Two Cubic Congruences Barukh 5 634 Dec 10th, 2004, 4:20am by Barukh sweeping a square JocK 9 718 Dec 7th, 2004, 10:40am by JocK Greedy Pirates Variations Icarus 3 1351 Dec 3rd, 2004, 10:07am by rmsgrey Variation of Daughter's age problem « Pages 1 2 » Sameer 26 2741 Dec 1st, 2004, 6:41pm by SWF 5 card magic trick elway 10 1321 Nov 30th, 2004, 9:31am by rmsgrey 1 ring, 100 locks dojo 10 982 Nov 26th, 2004, 2:01pm by grimbal Help wiht this word unscramble Pink 8 1469 Nov 24th, 2004, 8:35am by rmsgrey Some super hard math problems Weazel 9 1579 Nov 22nd, 2004, 1:18am by BNC Guess the day JocK 11 816 Nov 21st, 2004, 3:43pm by JocK BIRTHDAY TWINS Macduff472y 19 1525 Nov 20th, 2004, 7:10am by Icarus guess number for money 1 klbarrus 9 922 Nov 9th, 2004, 2:07pm by JocK 16 lines eN 15 690 Nov 4th, 2004, 4:47am by TimK Knight Moves mattian 17 2006 Nov 3rd, 2004, 12:00am by Barukh Rhombi Tiling william wu 6 2215 Oct 27th, 2004, 8:06am by Rezyk Data Corruption william wu 0 1505 Oct 24th, 2004, 11:21am by admin impossible variation single file hat execution dojo 1 1728 Oct 22nd, 2004, 8:03pm by Icarus Fork in The Road (again) « Pages 1 2 » VictorSand 27 3070 Oct 19th, 2004, 8:51am by rmsgrey Tic-Tac-Toe with a twist Mayank 0 1219 Oct 18th, 2004, 1:42pm by Mayank Tiling a circular hall with circular tiles JocK 7 2005 Oct 7th, 2004, 5:39am by John_Gaughan I need help with this riddle laffytaffycandy 8 1232 Sep 25th, 2004, 9:15am by Nigel_Parsons EVERY DIE FACE jonderry 5 1434 Sep 25th, 2004, 3:44am by THUDandBLUNDER HARD: Infinite Coin Flips « Pages 1 2 » Icarus 41 5039 Sep 19th, 2004, 12:30pm by Alfihar How Long to Crack The Vault? Sarah 6 1233 Sep 17th, 2004, 6:23pm by Icarus A Meta Packing Problem JocK 3 1082 Sep 13th, 2004, 5:36am by Barukh A Prisoner & 100 light bulbs « Pages 1 2 3 » mattian 53 2545 Sep 9th, 2004, 3:30pm by rmsgrey packing wires in a sleeve JocK 0 703 Sep 4th, 2004, 1:07pm by JocK Pages: 1 ... 18 19 20 21 22  ...  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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