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wu :: forums    riddles    medium (Moderators: Grimbal, william wu, Icarus, Eigenray, ThudnBlunder, SMQ, towr) Pages: 1 ... 20 21 22 23 24  ...  61 Start new topic    Subject Started by Replies Views Last post Triangle ABC is not isosceles tony123 2 632 Oct 28th, 2007, 5:25am by Barukh find one from 50 balls chetangarg 11 695 Oct 26th, 2007, 3:42am by RandomSam Which is the largest number smaller than 1? Exodust 9 655 Oct 23rd, 2007, 12:34pm by Exodust Find real solutions of the system tony123 2 432 Oct 23rd, 2007, 10:16am by pex Bummer Train Ride (JP05) « Pages 1 2 » JP05 42 1795 Oct 19th, 2007, 4:45am by Ghost Sniper Combination mikedagr8 10 518 Oct 18th, 2007, 2:51am by mikedagr8 Strange sequence gotit 1 382 Oct 16th, 2007, 9:17am by gotit Minimum Cut Length « Pages 1 2 3 4 » ThudnBlunder 77 2999 Oct 16th, 2007, 7:53am by Joe Fendel 50 Watches Aryabhatta 6 654 Oct 14th, 2007, 4:07pm by Aryabhatta Real-space Hash Functions RandomSam 15 720 Oct 13th, 2007, 11:40am by RandomSam Bisect Rectangle by Folding Barukh 8 1034 Oct 13th, 2007, 6:58am by FiBsTeR Sum of Powers tony123 11 1180 Oct 8th, 2007, 1:48pm by SMQ A circle with center O tony123 3 563 Oct 8th, 2007, 11:18am by FiBsTeR ANSWERS VS. PROBLEM-SOLVING PROCESSES william wu 2 4642 Nov 20th, 2005, 6:54am by pcbouhid Same Number of Divisors Barukh 1 2624 Oct 5th, 2007, 10:31am by Eigenray Brown eyes and Red eyes adityamp10 6 3581 Oct 4th, 2007, 2:01pm by RandomSam Dan's Farm ThudnBlunder 15 3585 Oct 3rd, 2007, 2:21am by Barukh Another three jugs problem cool_joh 15 1381 Oct 1st, 2007, 8:49pm by srn437 Re: Base 5 Conversion deeeeee 16 3081 Oct 1st, 2007, 4:50am by deeeeee Irrational Device ThudnBlunder 15 862 Sep 30th, 2007, 8:53am by ThudnBlunder Night Journey « Pages 1 2 » Barukh 26 1312 Sep 29th, 2007, 9:46pm by GhengisKhan Consecutive Perfect Numbers Aryabhatta 8 625 Sep 27th, 2007, 4:50pm by Eigenray Reconstruct Triangle from Points (Geometry) Barukh 11 774 Sep 27th, 2007, 11:09am by Aryabhatta Integer Count Michael Dagg 5 473 Sep 26th, 2007, 11:20pm by Barukh Sitting guests around a table Pietro K.C. 19 1138 Sep 26th, 2007, 10:02pm by Pietro K.C. prove int tony123 15 1170 Sep 26th, 2007, 12:59pm by Sameer Joined Pythagorean Triangles ThudnBlunder 8 583 Sep 26th, 2007, 8:58am by Barukh A = B-1 harpoo4n5 8 362 Sep 25th, 2007, 7:57pm by SMQ divisible by 10 tony123 9 690 Sep 25th, 2007, 7:45pm by srn437 1 - 1 + 1 - 1 + 1 - 1 ... william wu 12 1300 Oct 31st, 2003, 11:23am by Dudidu Pages: 1 ... 20 21 22 23 24  ...  61 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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