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Comment Search results for posted by Erik O. :
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Difficulty: 1 of 5Under Single Line Expression (in Algorithms)
Posted on 2008-01-27 (5 Comments)
Whole numbers? by Erik O. (2008-01-28 09:48:32)
Difficulty: 4 of 5Under One Away III (in Cryptography)
Posted on 2007-01-30 (17 Comments)
re: Thoughts only by Erik O. (2007-02-01 11:25:21)
Difficulty: 3 of 5Under Let's Roll (in Science)
Posted on 2007-01-26 (4 Comments)
re: On a roll by Erik O. (2007-02-01 11:41:25)
Difficulty: 2 of 5Under Difficulties with hotel rooms (in General)
Posted on 2007-01-25 (20 Comments)
re(7): But... by Erik O. (2007-02-01 12:00:49)
Difficulty: 3 of 5Under Component X (in General)
Posted on 2006-12-18 (7 Comments)
Solution re(2): Mission assignment - spoiler by Erik O. (2007-02-01 10:15:46)
Difficulty: 1 of 5Under What am I? (in Riddles)
Posted on 2005-11-01 (60 Comments)
As a parent, there can be only one answer... by Erik O. (2005-11-01 10:01:10)
Difficulty: 3 of 5Under Are we odd for liking this, too? (in Cryptography)
Posted on 2005-08-30 (18 Comments)
Another Hint by Erik O. (2005-09-13 22:26:46)
re: Itīs problem with my eyes? by Erik O. (2005-09-13 22:21:10)
hint by Erik O. (2005-09-06 17:02:00)
Difficulty: 4 of 5Under Saturn V (in Cryptography)
Posted on 2005-08-13 (4 Comments)
Hint... by Erik O. (2005-08-15 14:31:29)
Difficulty: 1 of 5Under A Fruity Kind of Problem (in General)
Posted on 2005-08-10 (15 Comments)
Last Set of Hints by Erik O. (2005-08-15 14:40:05)
Another Hint by Erik O. (2005-08-12 15:34:31)
re: Some thoughts by Erik O. (2005-08-11 19:05:17)
Hints... by Erik O. (2005-08-11 14:27:27)
Difficulty: 2 of 5Under Et Tu, Brute? (in Sequences)
Posted on 2005-08-02 (15 Comments)
re(2): A more Cesarean solution by Erik O. (2005-08-08 17:53:20)
Difficulty: 2 of 5Under Thirds and Differences (in Numbers)
Posted on 2005-07-21 (9 Comments)
re(2): My solution by Erik O. (2010-05-12 10:58:28)
Difficulty: 2 of 5Under Digit Sequence (in Sequences)
Posted on 2005-06-28 (15 Comments)
Some Thoughts re(2): Theoretically (growing vs. shrinking patterns) by Erik O. (2005-06-28 20:56:58)
Some Thoughts Theoretically (growing vs. shrinking patterns) by Erik O. (2005-06-28 18:36:34)
Difficulty: 2 of 5Under Five People on Two Bridges (in Logic)
Posted on 2005-06-25 (40 Comments)
re: Question by Erik O. (2005-08-08 19:33:43)
re(3): Fastest solution yet? correct? by Erik O. (2005-06-27 20:37:59)
Difficulty: 2 of 5Under Who is not rich? (in Logic)
Posted on 2005-06-22 (24 Comments)
Solution Assuming... (spoiler) by Erik O. (2005-06-22 14:20:27)
Difficulty: 1 of 5Under Even, or Odd? (in Sequences)
Posted on 2005-06-20 (14 Comments)
I think you all are overthinking this... (spoiler) by Erik O. (2005-06-21 15:28:13)
Difficulty: 1 of 5Under 'Twas whispered in heaven (in Famous Riddles)
Posted on 2005-06-17 (14 Comments)
re: Does not justify the effort ! by Erik O. (2005-06-17 22:55:43)
Difficulty: 3 of 5Under Splitting Heirs (in Shapes)
Posted on 2005-06-15 (10 Comments)
Solution solution with 20 heirs by Erik O. (2005-06-15 17:28:39)
Difficulty: 2 of 5Under Are we odd for liking this? (in Cryptography)
Posted on 2005-06-09 (12 Comments)
Some Thoughts Variety of possibilities by Erik O. (2005-06-09 15:08:49)
Difficulty: 4 of 5Under An average table (in Just Math)
Posted on 2005-06-03 (10 Comments)
Solution Which aleph? by Erik O. (2005-06-07 03:12:46)
Difficulty: 3 of 5Under Twenty metal blocks (in Weights and Scales)
Posted on 2005-06-02 (18 Comments)
re(2): Thoughts, spoiler? by Erik O. (2005-06-06 15:42:26)
Solution Thoughts, spoiler? by Erik O. (2005-06-02 20:04:42)
Difficulty: 1 of 5Under Southern Exposure (in Famous Riddles)
Posted on 2005-06-01 (45 Comments)
Solution The bear is... by Erik O. (2005-06-01 14:40:09)
Difficulty: 1 of 5Under Sign this love letter (in Riddles)
Posted on 2005-05-30 (33 Comments)
re(6): Dr. Pepper... by Erik O. (2005-06-07 19:55:07)
re(4): Dr. Pepper... by Erik O. (2005-06-02 17:40:37)
Dr. Pepper... by Erik O. (2005-05-31 17:56:02)
Difficulty: 3 of 5Under Britannia Rule The Waves!! (in Sequences)
Posted on 2005-05-27 (26 Comments)
re: Tell me, Sassy... by Erik O. (2005-06-07 19:51:06)
Some Thoughts I wonder... by Erik O. (2005-06-01 14:59:45)
Difficulty: 2 of 5Under Strange divisibility (in Just Math)
Posted on 2005-05-25 (27 Comments)
Some Thoughts Prime factors? by Erik O. (2005-06-02 20:50:49)
re(3): Bigger numbers (sqrt) by Erik O. (2005-05-25 20:03:02)
Difficulty: 4 of 5Under Leaf's Code (in Riddles)
Posted on 2005-05-24 (57 Comments)
re(4): I agree completely with Mark by Erik O. (2005-05-26 16:50:33)
I agree completely with Mark by Erik O. (2005-05-25 20:28:56)
Difficulty: 2 of 5Under I am all around (in Riddles)
Posted on 2005-05-23 (102 Comments)
re: what about ? by Erik O. (2005-05-23 21:31:40)
Difficulty: 2 of 5Under Cartoon Prison (in Cryptography)
Posted on 2005-05-21 (11 Comments)
re: ALMOST THERE by Erik O. (2005-05-23 15:22:58)
Difficulty: 5 of 5Under 3 points colinear? No way! (in Just Math)
Posted on 2005-05-19 (14 Comments)
Some Thoughts re: So at least the first 32 are reachable... by Erik O. (2005-05-20 14:44:29)
re(2): Theoretical limits reachable? by Erik O. (2005-05-19 19:12:49)
Difficulty: 1 of 5Under At the Airport (in Word Problems)
Posted on 2005-05-19 (13 Comments)
Penny got me thinking... by Erik O. (2005-05-19 18:34:04)
Difficulty: 2 of 5Under TNR (in Cryptography)
Posted on 2005-05-18 (6 Comments)
re: Great puzzle! Full solution by Erik O. (2005-05-18 15:08:20)
Difficulty: 3 of 5Under Six-Sided Snowflakes (in General)
Posted on 2005-05-16 (7 Comments)
Solution My method for 6-sided flakes... by Erik O. (2005-05-16 19:31:47)
Difficulty: 2 of 5Under 50 - Digit Number II (in Numbers)
Posted on 2005-05-13 (11 Comments)
Solution re: Solution by lucky guess by Erik O. (2005-05-13 17:12:33)
Difficulty: 2 of 5Under Tea Time (in Sequences)
Posted on 2005-05-11 (8 Comments)
Solution Spoiler - don't look if you don't want to know. by Erik O. (2005-05-11 19:08:53)
Difficulty: 1 of 5Under A Man Without Eyes (in Famous Riddles)
Posted on 2005-05-10 (24 Comments)
Another solution by Erik O. (2005-05-10 15:28:55)
Difficulty: 5 of 5Under Four switches (in General)
Posted on 2005-05-09 (37 Comments)
Some Thoughts George Boole to the rescue? by Erik O. (2005-05-10 15:24:18)
Some Thoughts re: the first case - the drawing by Erik O. (2005-05-09 22:08:25)
Difficulty: 4 of 5Under Make it solvable (in Numbers)
Posted on 2005-05-05 (16 Comments)
re(2): First thoughts... ...(spoiler?) by Erik O. (2005-05-05 19:18:56)
Hints/Tips First thoughts... ...(spoiler?) by Erik O. (2005-05-05 18:51:48)
Difficulty: 2 of 5Under Extend, at the end (in Sequences)
Posted on 2005-05-04 (9 Comments)
Some Thoughts Interesting encoding method... by Erik O. (2005-05-04 20:11:21)
Difficulty: 3 of 5Under Towers of Hanoi variation (in Algorithms)
Posted on 2005-05-03 (14 Comments)
re(2): solution (I think) by Erik O. (2005-05-03 18:20:50)
Solution Movement algorithm - spoiler? by Erik O. (2005-05-03 17:53:06)
Solution solution (I think) by Erik O. (2005-05-03 15:00:31)
Difficulty: 5 of 5Under Rational sine (in Just Math)
Posted on 2005-05-02 (7 Comments)
Question How many digits? by Erik O. (2005-05-05 03:14:23)
Difficulty: 3 of 5Under Calculators at the ready.... (in Sequences)
Posted on 2005-04-30 (15 Comments)
re(3): I still can't see it. by Erik O. (2005-05-05 17:36:30)
I still can't see it. by Erik O. (2005-05-02 21:32:56)
Difficulty: 3 of 5Under With my Power (in Riddles)
Posted on 2005-04-29 (25 Comments)
curiouser and curiouser... by Erik O. (2005-04-29 15:07:31)
Difficulty: 2 of 5Under Sums and Letters (in Numbers)
Posted on 2005-04-27 (13 Comments)
re: I found the following... (damnit!) by Erik O. (2005-04-27 14:57:34)
Solution I found the following... by Erik O. (2005-04-27 14:55:17)
Difficulty: 3 of 5Under Colorful Noise (in Cryptography)
Posted on 2005-04-25 (17 Comments)
re: But the colors? by Erik O. (2005-04-26 13:28:34)
re: Solution by Erik O. (2005-04-25 21:18:45)
First thoughts... by Erik O. (2005-04-25 19:11:19)
Difficulty: 3 of 5Under All the Marbles (in Logic)
Posted on 2005-04-22 (18 Comments)
re: Answer + Solution (explanation) by Erik O. (2005-04-22 22:06:07)
Hints/Tips This is much tougher than D3. by Erik O. (2005-04-22 22:01:11)
Difficulty: 2 of 5Under Bug in the Problem? (in General)
Posted on 2005-04-22 (7 Comments)
Hints/Tips Partial spoiler by Erik O. (2005-04-22 15:33:07)
Difficulty: 3 of 5Under Ice Floating in Water (in Science)
Posted on 2005-04-21 (31 Comments)
Jeez, I really hate to get into this... by Erik O. (2005-04-22 15:23:26)
Difficulty: 2 of 5Under drop it like it's hot! (in General)
Posted on 2005-04-20 (14 Comments)
#2 in 5 moves - spoiler by Erik O. (2005-04-20 22:14:04)
re(2): Hopefully I read the instructions correctly (spoiler?) by Erik O. (2005-04-20 20:02:54)
Solution Hopefully I read the instructions correctly (spoiler?) by Erik O. (2005-04-20 18:41:09)
Difficulty: 2 of 5Under Halloween Costumes (in Logic)
Posted on 2005-04-20 (48 Comments)
Solution re: Solution by Erik O. (2005-04-20 15:24:17)
Difficulty: 4 of 5Under Sphere in Tetrahedron (in Shapes)
Posted on 2005-04-19 (7 Comments)
Some Thoughts First thoughts... by Erik O. (2005-04-19 18:43:11)
Difficulty: 3 of 5Under Graduation Day (in Liars and Knights)
Posted on 2005-04-18 (5 Comments)
Solution Solution - spoiler by Erik O. (2005-04-18 17:42:40)
Difficulty: 2 of 5Under Route Step, MARCH (in Science)
Posted on 2005-04-16 (9 Comments)
Some Thoughts Some thoughts... by Erik O. (2005-04-18 15:30:19)
Difficulty: 4 of 5Under Guess a number (in Algorithms)
Posted on 2005-04-14 (19 Comments)
re: "In Advance" by Erik O. (2005-04-14 22:20:42)
What does "in advance" mean? by Erik O. (2005-04-14 21:29:33)
Difficulty: 2 of 5Under Underwater Sound Localization (in Science)
Posted on 2005-04-14 (17 Comments)
Some Thoughts re(3): Questioning the answers... by Erik O. (2005-04-14 15:24:18)
re(2): Questioning the answers... by Erik O. (2005-04-14 14:39:12)
Difficulty: 1 of 5Under It is a riddle (in Riddles)
Posted on 2005-04-13 (86 Comments)
re(2): velocity is not acceleration by Erik O. (2005-04-29 15:37:02)
solution? spoiler? by Erik O. (2005-04-13 15:10:24)
Difficulty: 3 of 5Under It is infinite if it isn't? (in Paradoxes)
Posted on 2005-04-12 (35 Comments)
Solution Solution needs definitions... by Erik O. (2005-04-14 15:17:05)
Some Thoughts Another soluition by Erik O. (2005-04-13 15:24:40)
Difficulty: 2 of 5Under triple doubles (in Word Problems)
Posted on 2005-04-12 (14 Comments)
Some Thoughts When it's 12:00 on the lunar surface... by Erik O. (2005-04-13 15:40:41)
Difficulty: 3 of 5Under Sports Starters (in Word Problems)
Posted on 2005-04-11 (24 Comments)
re: some (not very helpful) thoughts on #8 by Erik O. (2005-04-13 19:21:25)
Some Thoughts LCS = ? by Erik O. (2005-04-13 16:02:18)
Difficulty: 1 of 5Under Animal + Plant (in Word Problems)
Posted on 2005-04-09 (16 Comments)
For the feline fans by Erik O. (2005-04-13 16:03:42)
Difficulty: 2 of 5Under Counting Sand (in Algorithms)
Posted on 2005-04-07 (8 Comments)
Solution Solution? by Erik O. (2005-04-07 15:47:59)
Difficulty: 2 of 5Under In and Out The Box (in Shapes)
Posted on 2005-04-06 (10 Comments)
re(3): Solution by Erik O. (2005-04-06 22:44:47)
Solution by Erik O. (2005-04-06 15:41:46)
Difficulty: 3 of 5Under Cutting Contrives Conical Cup (in Shapes)
Posted on 2005-04-01 (17 Comments)
re: practically speaking by Erik O. (2005-04-01 20:02:11)
Solution Very rough approximation by Erik O. (2005-04-01 18:37:22)
Difficulty: 3 of 5Under Intuitive Coins (in Algorithms)
Posted on 2005-03-29 (14 Comments)
Solution There's more to it.... (solution? spoiler?) by Erik O. (2005-03-30 15:47:52)
Difficulty: 2 of 5Under Pegless Painting Plummets! (in General)
Posted on 2005-03-29 (19 Comments)
Solution Full Solution - spoiler by Erik O. (2005-04-01 15:06:59)
A solution with a wire... by Erik O. (2005-03-29 18:05:13)
Solution Another solution... by Erik O. (2005-03-29 17:38:27)
Solution One solution... by Erik O. (2005-03-29 14:53:01)
Difficulty: 3 of 5Under Sums of squares and stuff. (in Numbers)
Posted on 2005-03-26 (16 Comments)
re(2): And some more by Erik O. (2005-03-29 17:47:53)
Difficulty: 3 of 5Under Hollow ball (in Science)
Posted on 2005-03-25 (26 Comments)
The WRONG! answer... by Erik O. (2005-03-25 17:30:09)
Difficulty: 4 of 5Under Cosines everywhere (in Geometry)
Posted on 2005-03-21 (6 Comments)
re(2): This problem needs some formatting changes... by Erik O. (2005-04-05 22:38:46)
This problem needs some formatting changes... by Erik O. (2005-03-22 17:25:46)
Difficulty: 2 of 5Under Secret Code (in Logic)
Posted on 2005-03-10 (32 Comments)
Solution re: Solution? by Erik O. (2005-03-10 14:14:54)
Difficulty: 3 of 5Under Fibonacci Fractions (in Just Math)
Posted on 2005-03-09 (17 Comments)
Very interesting, Charlie... by Erik O. (2005-03-09 21:09:25)
Difficulty: 2 of 5Under perplexus problem (in Sequences)
Posted on 2005-03-09 (8 Comments)
Solution Solution - no spoiler by Erik O. (2005-03-09 15:02:56)
Difficulty: 3 of 5Under It ain't Fibonacci (in Sequences)
Posted on 2005-02-22 (10 Comments)
re: Just to wrap it up... by Erik O. (2005-03-01 18:51:55)
re: Solution (if errors in sequence) by Erik O. (2005-02-28 19:03:46)
Another hint (probably spoiler) by Erik O. (2005-02-28 13:56:35)
re: Hint by Erik O. (2005-02-24 15:30:51)
Difficulty: 4 of 5Under Opposite synonyms (in Word Problems)
Posted on 2005-01-28 (8 Comments)
If we include homophones... by Erik O. (2005-01-28 18:11:24)
Difficulty: 5 of 5Under One Word, Seven Times (in Word Problems)
Posted on 2005-01-27 (14 Comments)
A multitude of answers? by Erik O. (2005-01-27 19:29:41)
Difficulty: 1 of 5Under A rainbow of haves and have-nots (in Word Problems)
Posted on 2005-01-26 (14 Comments)
some other colors which 'have it' by Erik O. (2005-01-26 17:32:46)
Difficulty: 3 of 5Under Broken Calculator (in Just Math)
Posted on 2005-01-20 (14 Comments)
simple solution (probably not what's being looked for) by Erik O. (2005-01-20 20:22:20)
Difficulty: 3 of 5Under Most Letters 2 (in Word Problems)
Posted on 2005-01-20 (15 Comments)
Some Thoughts Maximizing letters and minimizing word length... by Erik O. (2005-01-20 20:36:11)
Difficulty: 2 of 5Under Falling beer bubbles (in Science)
Posted on 2005-01-12 (9 Comments)
My theory... (hic) by Erik O. (2005-01-12 15:54:40)
Difficulty: 2 of 5Under Opposite (in Word Problems)
Posted on 2005-01-10 (6 Comments)
How about... by Erik O. (2005-01-10 20:25:43)
Difficulty: 4 of 5Under Five Gold Rings (in Sequences)
Posted on 2005-01-08 (8 Comments)
re: Samsonite! I was way off by Erik O. (2005-01-10 20:18:21)
Difficulty: 3 of 5Under Game Theory on dividing cakes (in Logic)
Posted on 2004-12-27 (8 Comments)
Solution Fair cuts... by Erik O. (2004-12-28 18:04:53)
Difficulty: 2 of 5Under Common Phrases (in Word Problems)
Posted on 2004-12-23 (23 Comments)
re: Of course I know of others! by Erik O. (2004-12-23 18:37:12)
Difficulty: 3 of 5Under Hark! Who's Traveling? (in Famous Riddles)
Posted on 2004-12-21 (20 Comments)
re(5): What was I thinking about ? by Erik O. (2004-12-21 17:29:28)
re: What was I thinking about ? by Erik O. (2004-12-21 15:40:43)
Difficulty: 2 of 5Under Guess my Number (in Logic)
Posted on 2004-12-20 (32 Comments)
Solution Another simpler solution? by Erik O. (2004-12-20 18:30:06)
Difficulty: 2 of 5Under Sequence of Musical Tones (in Algorithms)
Posted on 2004-12-14 (20 Comments)
re: Question by Erik O. (2004-12-14 17:58:21)
Difficulty: 3 of 5Under Knight Moves (in General)
Posted on 2004-12-10 (10 Comments)
Solution Solution in 14 turns by Erik O. (2004-12-10 21:29:06)
Reminds me of a different Knight puzzle... by Erik O. (2004-12-10 21:09:17)
Difficulty: 3 of 5Under Dragon Hunting (in General)
Posted on 2004-12-10 (37 Comments)
re(2): A Solution... I think by Erik O. (2004-12-10 15:28:26)
Difficulty: 2 of 5Under Word Meld and Weld (in Word Problems)
Posted on 2004-12-06 (47 Comments)
Best to Worst by Erik O. (2004-12-07 01:25:31)
Lost and Found by Erik O. (2004-12-07 01:22:01)
night to day (6 steps) by Erik O. (2004-12-07 01:19:46)
Thirsty almost to Hungry by Erik O. (2004-12-06 19:32:53)
Open -> Close by Erik O. (2004-12-06 19:22:36)
Difficulty: 1 of 5Under When First the Marriage Knot was Ty'd (in Famous Riddles)
Posted on 2004-12-02 (24 Comments)
re(3): Robbing the cradle by Erik O. (2004-12-02 19:28:17)
re: Robbing the cradle by Erik O. (2004-12-02 16:29:06)
Difficulty: 3 of 5Under Bounded Area (in Geometry)
Posted on 2004-12-01 (4 Comments)
Solution Solution (Using Excel) by Erik O. (2004-12-01 20:25:25)
Difficulty: 4 of 5Under Where to 'S'tart (in Cryptography)
Posted on 2004-11-30 (7 Comments)
Solution re(2): moderate spoiler on method; but not the answer by Erik O. (2004-12-01 15:10:40)
Solution Solution to part 2 - partial spoiler by Erik O. (2004-11-30 22:08:33)
Solution - no spoiler by Erik O. (2004-11-30 21:46:24)
Question Question by Erik O. (2004-11-30 17:56:18)
Difficulty: 5 of 5Under Ellipses and Circles (in Geometry)
Posted on 2004-11-29 (6 Comments)
Some Thoughts Initial thoughts... by Erik O. (2004-11-29 19:02:37)
Difficulty: 4 of 5Under Pack the Box 2 (in Shapes)
Posted on 2004-11-24 (7 Comments)
Hints/Tips aha... (partial spoiler) by Erik O. (2004-11-24 21:00:26)
Difficulty: 2 of 5Under Find Friendly Fractions! (in Just Math)
Posted on 2004-11-24 (14 Comments)
Solution re: more fun and a reason by Erik O. (2004-11-24 16:07:25)
Cute... by Erik O. (2004-11-24 14:54:17)
Difficulty: 3 of 5Under I think this is a good riddle, but hey, everyone's a critic (in Riddles)
Posted on 2004-11-18 (70 Comments)
No Subject by Erik O. (2004-11-18 17:48:48)
Difficulty: 2 of 5Under the 'I cannot tell 5 lies' sequence (in Sequences)
Posted on 2004-11-17 (8 Comments)
Solution Solution by Erik O. (2004-11-18 14:18:25)
re: More wrong answers by Erik O. (2004-11-18 00:43:43)
No comments yet... by Erik O. (2004-11-17 16:23:12)
Difficulty: 2 of 5Under The Logician's Birthday (in Logic)
Posted on 2004-11-17 (60 Comments)
re: Why by Erik O. (2004-12-28 18:29:52)
Difficulty: 5 of 5Under Next Numbers Please #4 (in Sequences)
Posted on 2004-11-16 (13 Comments)
Some Thoughts different bases? by Erik O. (2004-11-19 17:41:23)
Difficulty: 3 of 5Under Insane Chess King (in Games)
Posted on 2004-11-16 (11 Comments)
some random thoughts... by Erik O. (2004-11-16 11:27:35)
Difficulty: 3 of 5Under What comes next? (in Sequences)
Posted on 2004-11-09 (9 Comments)
re: Solution + Explanation ( Spoiler ) by Erik O. (2004-11-09 09:44:16)
Difficulty: 3 of 5Under On Tour (in Cryptography)
Posted on 2004-11-03 (28 Comments)
Telephone code? by Erik O. (2004-11-09 21:52:52)
More random thoughts... by Erik O. (2004-11-05 16:06:18)
Random thoughts by Erik O. (2004-11-05 10:50:11)
Difficulty: 4 of 5Under Measure that angle IV (in Geometry)
Posted on 2004-11-02 (21 Comments)
spoiler? by Erik O. (2004-11-02 18:13:09)
Difficulty: 3 of 5Under Dinner Party (in Logic)
Posted on 2004-10-27 (53 Comments)
re: My Solution by Erik O. (2004-10-27 19:50:59)
Difficulty: 2 of 5Under Interesting sequence (2) (in Sequences)
Posted on 2004-09-24 (6 Comments)
re: Just for kicks... by Erik O. (2004-11-05 16:21:00)
Difficulty: 3 of 5Under Subsetting a set (in Numbers)
Posted on 2004-06-29 (9 Comments)
Second part (again) by Erik O. (2004-06-29 16:00:01)
Difficulty: 2 of 5Under A square (in Numbers)
Posted on 2004-06-25 (15 Comments)
Solution Doing square roots by hand is a pain... by Erik O. (2004-06-25 09:26:45)
Difficulty: 4 of 5Under Class Pass (in Probability)
Posted on 2004-06-24 (15 Comments)
re(4): This is very difficult by Erik O. (2004-11-02 21:37:58)
Hints/Tips re(2): This is very difficult by Erik O. (2004-06-24 22:36:32)
This is very difficult by Erik O. (2004-06-24 13:56:04)
Difficulty: 3 of 5Under Magic-in-more-than-one-way Square (in Numbers)
Posted on 2004-06-24 (11 Comments)
I like oskar's solution the best so far... by Erik O. (2004-06-25 09:23:19)
re(2): More on the solution by Erik O. (2004-06-24 13:40:00)
Solution More on the solution by Erik O. (2004-06-24 12:42:18)
Difficulty: 2 of 5Under Sequence of Squares (in Sequences)
Posted on 2004-06-23 (2 Comments)
Solution An algebraic solution by Erik O. (2004-06-23 08:26:26)
Difficulty: 5 of 5Under Red, Blue, and Yellow in Teens (in Sequences)
Posted on 2004-06-22 (5 Comments)
First thoughts... by Erik O. (2004-06-22 16:56:31)
Difficulty: 3 of 5Under More or less magic square (in General)
Posted on 2004-06-22 (11 Comments)
Solution A solution greater than 15 by Erik O. (2004-06-22 09:24:52)
Difficulty: 3 of 5Under my house's number (in Numbers)
Posted on 2004-06-21 (32 Comments)
re(3): Poor AWK people... by Erik O. (2004-06-22 12:31:52)
re: Poor AWK people... by Erik O. (2004-06-21 16:09:34)
Some Thoughts re(2): Solution by Erik O. (2004-06-21 09:27:47)
Solution Solution by Erik O. (2004-06-21 08:41:37)
Difficulty: 3 of 5Under Musical Munchies (in Sequences)
Posted on 2004-06-18 (15 Comments)
Need hints (or a solution) by Erik O. (2004-11-02 21:46:23)
Question Hint, please? by Erik O. (2004-06-21 16:44:54)
Some Thoughts I'm clueless... by Erik O. (2004-06-18 14:27:34)
Difficulty: 3 of 5Under Fenced In (in Geometry)
Posted on 2004-06-18 (15 Comments)
Solution re(2): Where did my math go wrong? by Erik O. (2004-06-18 13:28:54)
Question Where did my math go wrong? by Erik O. (2004-06-18 10:51:31)
Difficulty: 4 of 5Under The odds stay unchanged (in Just Math)
Posted on 2004-06-17 (21 Comments)
Solution re: A trivial solution - NON trivial solution by Erik O. (2004-06-17 15:41:35)
Solution A trivial solution by Erik O. (2004-06-17 15:13:39)
hints - partial solution by Erik O. (2004-06-17 14:41:36)
Difficulty: 2 of 5Under Short equation (in Numbers)
Posted on 2004-06-17 (13 Comments)
Solution moron "solution" (more on "solution", get it?) by Erik O. (2004-06-17 10:15:39)
Solution Solution by Erik O. (2004-06-17 08:16:56)
Difficulty: 4 of 5Under Circles Abound! (in Geometry)
Posted on 2004-06-16 (7 Comments)
Hints/Tips First thoughts.... by Erik O. (2004-06-16 14:50:41)
Difficulty: 3 of 5Under Mileage (in Numbers)
Posted on 2004-06-16 (5 Comments)
Some Thoughts Code used for finding palindromic numbers - no spoiler by Erik O. (2004-06-16 09:48:43)
Solution Solution to part 1 - plus hints for the proof. by Erik O. (2004-06-16 09:42:31)
Difficulty: 3 of 5Under Fibonaccian nines (in Just Math)
Posted on 2004-06-15 (7 Comments)
Some Thoughts Some thoughts... by Erik O. (2004-06-15 14:40:37)
Difficulty: 4 of 5Under What's the difference between snowmen and snowwomen? (in Just Math)
Posted on 2004-06-14 (16 Comments)
re(6): Some thoughts - spoiler? by Erik O. (2004-06-14 13:53:05)
re(4): Some thoughts - spoiler? by Erik O. (2004-06-14 13:44:52)
re(2): Some thoughts - spoiler? by Erik O. (2004-06-14 13:28:54)
Some thoughts - spoiler? by Erik O. (2004-06-14 13:02:16)
Difficulty: 2 of 5Under Handshakes (in Numbers)
Posted on 2004-06-14 (14 Comments)
re(2): 1/2 Surface of a Rectangular Solid... by Erik O. (2004-06-14 13:26:09)
Hints/Tips 1/2 Surface of a Rectangular Solid... by Erik O. (2004-06-14 10:18:20)
Difficulty: 3 of 5Under Mikhail's Sequence (in Sequences)
Posted on 2004-06-13 (12 Comments)
Solution A different solution? by Erik O. (2004-06-14 10:54:36)
Difficulty: 3 of 5Under Coin tossing (in Probability)
Posted on 2004-06-11 (25 Comments)
Solution Solution? by Erik O. (2004-06-11 14:12:46)
Difficulty: 3 of 5Under Another Point In A Square (in Geometry)
Posted on 2004-06-11 (16 Comments)
Solution re: Solution (unproven) - proven by Erik O. (2004-06-11 09:51:39)
Difficulty: 2 of 5Under 950 (in Tricks)
Posted on 2004-06-10 (18 Comments)
re(3): (Hacked) Solution by Erik O. (2004-06-10 15:31:13)
bad solution... ...very bad. by Erik O. (2004-06-10 14:34:33)
re: (Hacked) Solution by Erik O. (2004-06-10 14:29:30)
Difficulty: 2 of 5Under Sliding Puzzle (in General)
Posted on 2004-06-10 (13 Comments)
re: 10 moves! by Erik O. (2004-06-10 08:30:55)
Solution A solution in __ moves... by Erik O. (2004-06-10 08:28:27)
Difficulty: 3 of 5Under Twenty-four (in Numbers)
Posted on 2004-06-09 (7 Comments)
Hints/Tips Well done, Jer. by Erik O. (2004-06-09 09:43:34)
Question Is exponentiation allowed? (partial spoiler?) by Erik O. (2004-06-09 09:23:25)
Difficulty: 3 of 5Under Random Number Generator (in Algorithms)
Posted on 2004-06-08 (26 Comments)
A faster solution than my earlier one... by Erik O. (2004-06-08 16:29:15)
re(2): This little program doesn't do the trick... by Erik O. (2004-06-08 16:16:03)
Some Thoughts Program to simulate the weird randomizer by Erik O. (2004-06-08 14:57:00)
re: program (needed some revision...) by Erik O. (2004-06-08 14:44:16)
This little program should do the trick... by Erik O. (2004-06-08 14:22:25)
Difficulty: 3 of 5Under Problematic Pathways (in General)
Posted on 2004-06-08 (8 Comments)
re(2): Full Solution by Erik O. (2004-06-08 09:01:06)
Full Solution by Erik O. (2004-06-08 08:22:02)
Difficulty: 5 of 5Under Bird on a Wire (in Just Math)
Posted on 2004-06-07 (42 Comments)
re(7): Computer simulation -- CORRECTION !! by Erik O. (2004-06-08 08:32:43)
Some Thoughts re(2): Some thoughts on the 2 bird problem. (partial solution) by Erik O. (2004-06-07 14:42:22)
Some Thoughts Some thoughts on the 2 bird problem. (partial solution) by Erik O. (2004-06-07 13:56:13)
Question Clarification please? by Erik O. (2004-06-07 12:55:59)
Difficulty: 2 of 5Under Double C, double T (in Word Problems)
Posted on 2004-06-07 (10 Comments)
Solution re(4): the title taken strictly by Erik O. (2004-06-07 11:08:18)
re: the title taken strictly by Erik O. (2004-06-07 09:51:58)
Solution Solution in 6 letters by Erik O. (2004-06-07 08:46:04)
Difficulty: 2 of 5Under It's all in the roots! (in Just Math)
Posted on 2004-06-04 (8 Comments)
Question re: Long answer - very interesting by Erik O. (2004-06-04 13:54:31)
Difficulty: 2 of 5Under The Tour (in General)
Posted on 2004-06-04 (10 Comments)
A modification to the puzzle + Solution by Erik O. (2004-06-04 11:08:38)
Possible shortest path - no spoiler inside by Erik O. (2004-06-04 09:18:16)
Difficulty: 3 of 5Under Fill 'Er Up! (in General)
Posted on 2004-06-03 (12 Comments)
Some Thoughts Another similar problem... by Erik O. (2004-06-03 14:56:56)
Some Thoughts Big hints... - possible solution. by Erik O. (2004-06-03 14:48:47)
Difficulty: 2 of 5Under Gloves (in Numbers)
Posted on 2004-06-03 (30 Comments)
Some Thoughts Why 10,000 gloves isn't the answer... by Erik O. (2004-06-03 19:21:25)
re(3): huh? by Erik O. (2004-06-03 19:16:05)
Some Thoughts Maximum number of colors and some other stuff... by Erik O. (2004-06-03 17:26:24)
re: huh? by Erik O. (2004-06-03 17:00:22)
Solution Solution? by Erik O. (2004-06-03 08:46:25)
Difficulty: 5 of 5Under Next Numbers Please #3 (in Sequences)
Posted on 2004-06-01 (30 Comments)
Hints/Tips re: More terms in the sequence by Erik O. (2004-06-14 10:57:12)
Solution I GOT IT!!! by Erik O. (2004-06-11 13:54:24)
re: The numbers I was looking for by Erik O. (2004-06-11 08:13:03)
Some Thoughts re(2): Solution--another guess... by Erik O. (2004-06-10 16:14:00)
Solution--another guess... by Erik O. (2004-06-10 13:08:07)
Question re: Binary by Erik O. (2004-06-09 12:41:39)
re: some observations... by Erik O. (2004-06-02 17:32:56)
Some Thoughts some observations... by Erik O. (2004-06-02 16:12:50)
Difficulty: 1 of 5Under Riddle of Scorn (in Riddles)
Posted on 2004-06-01 (68 Comments)
My solution by Erik O. (2004-06-01 16:31:40)
Difficulty: 3 of 5Under Yet one more coin sorting problem (in Weights and Scales)
Posted on 2004-05-31 (20 Comments)
Some Thoughts re(6): Solution based on the O-Sort sorting algorithm by Erik O. (2004-06-03 17:44:31)
re(4): Solution based on the O-Sort sorting algorithm by Erik O. (2004-06-03 09:37:02)
Some Thoughts re: Full solution by Erik O. (2004-06-02 13:37:01)
re(2): Solution based on the O-Sort sorting algorithm by Erik O. (2004-06-02 13:11:05)
Solution Solution based on the O-Sort sorting algorithm by Erik O. (2004-06-01 16:50:29)
Difficulty: 2 of 5Under Linked Rings (in Geometry)
Posted on 2004-05-29 (19 Comments)
Some Thoughts Additional comments on the puzzle... by Erik O. (2004-06-01 17:07:19)
Difficulty: 2 of 5Under The Monkey Tail Hunter (in Science)
Posted on 2004-05-28 (15 Comments)
...I'd aim at the head... by Erik O. (2004-06-02 09:41:53)
Difficulty: 2 of 5Under The Knavy (in Liars and Knights)
Posted on 2004-05-27 (21 Comments)
Solution Solution... by Erik O. (2004-06-01 22:46:42)
Difficulty: 2 of 5Under Fraction Magic Square (in Numbers)
Posted on 2004-05-22 (6 Comments)
Question Clarification? by Erik O. (2004-06-02 10:13:17)
Difficulty: 3 of 5Under Speak for yourself! (in Liars and Knights)
Posted on 2004-05-14 (16 Comments)
Solution I get two scenerios with one solution... by Erik O. (2004-06-01 23:17:26)
Difficulty: 3 of 5Under Poisonous Dilemma (in Paradoxes)
Posted on 2004-04-19 (82 Comments)
Definition of 'intend' is nebulous by Erik O. (2004-06-02 15:20:47)
Difficulty: 4 of 5Under The White Knight who couldn't quite remember (in Logic)
Posted on 2004-04-06 (13 Comments)
re: Faulty logic? - Never mind... by Erik O. (2004-06-04 19:12:26)
Question Faulty logic? by Erik O. (2004-06-04 19:00:23)
Difficulty: 5 of 5Under The Conversing Club 3 (in General)
Posted on 2004-03-28 (62 Comments)
re(2): I have an algorithm which works, but... by Erik O. (2004-06-23 16:57:59)
Solution I have an algorithm which works, but... by Erik O. (2004-06-23 16:00:15)
Difficulty: 4 of 5Under B-Palindromes (in Numbers)
Posted on 2004-02-25 (11 Comments)
Some Thoughts I think I may be on to something.... by Erik O. (2004-06-03 23:02:00)
Difficulty: 3 of 5Under Lead Floats (in Science)
Posted on 2004-02-25 (33 Comments)
A wise-a$$ solution... by Erik O. (2004-06-02 11:18:23)
2 more solutions... by Erik O. (2004-06-02 11:16:56)
Difficulty: 5 of 5Under Cigarette Bar Bet (in Science)
Posted on 2003-10-15 (82 Comments)
This is a terrible puzzle... by Erik O. (2005-03-25 15:23:46)
Difficulty: 5 of 5Under print 'print 'print 'print ... (in Algorithms)
Posted on 2003-09-19 (32 Comments)
Solution A solution in DOS batch by Erik O. (2004-06-02 09:03:26)
Difficulty: 3 of 5Under The Three Jugs (in Weights and Scales)
Posted on 2003-08-18 (14 Comments)
Just like the movies... by Erik O. (2004-06-09 10:31:52)
Difficulty: 3 of 5Under Permutations (in Algorithms)
Posted on 2003-07-02 (14 Comments)
Another Solution by Erik O. (2004-06-02 09:10:10)
Difficulty: 2 of 5Under Crime and Punishment (in Famous Riddles)
Posted on 2003-04-20 (43 Comments)
The given solution is not completely correct. by Erik O. (2004-06-02 23:29:53)
Difficulty: 3 of 5Under Make the least of these digits (in Numbers)
Posted on 2003-04-13 (67 Comments)
Some Thoughts Amateurs! by Erik O. (2004-06-10 23:08:01)
Difficulty: 4 of 5Under Zero - The Hero (in Numbers)
Posted on 2003-04-09 (15 Comments)
Solution Another solution... by Erik O. (2004-06-18 18:45:09)
Difficulty: 3 of 5Under The two blacksmiths (in Paradoxes)
Posted on 2003-03-17 (64 Comments)
Semantics. by Erik O. (2004-06-14 13:09:27)
Difficulty: 3 of 5Under Greetings (in Riddles)
Posted on 2003-02-18 (31 Comments)
re: etymology of the answer by Erik O. (2004-06-04 14:48:54)
etymology of the answer by Erik O. (2004-06-04 14:47:02)
Difficulty: 3 of 5Under How Many Children ? (in Logic)
Posted on 2003-01-28 (13 Comments)
The provided solution is incorrect - here is the correct one. by Erik O. (2004-06-07 21:42:43)
Difficulty: 2 of 5Under Mancala (in Games)
Posted on 2003-01-21 (10 Comments)
There's an error in the solution by Erik O. (2005-03-04 19:19:18)
Difficulty: 1 of 5Under Half or not (in Riddles)
Posted on 2002-11-14 (28 Comments)
She started when she was very young... by Erik O. (2004-06-15 15:02:07)
Difficulty: 3 of 5Under World Series (in Probability)
Posted on 2002-10-30 (5 Comments)
Solution Solution... by Erik O. (2004-06-08 12:26:31)
Difficulty: 1 of 5Under How many letters? (in Riddles)
Posted on 2002-09-04 (47 Comments)
Limerick by Erik O. (2005-04-19 20:29:06)
Solution There are xx letters... by Erik O. (2005-04-13 16:43:37)
... by Erik O. (2005-04-13 16:33:43)
Difficulty: 3 of 5Under More chameleons (in Numbers)
Posted on 2002-07-30 (26 Comments)
I must be missing a big part of the puzzle... by Erik O. (2005-01-12 15:44:54)
Difficulty: 3 of 5Under Make the most of these digits (in Numbers)
Posted on 2002-06-06 (48 Comments)
Again with the amateurs! by Erik O. (2004-06-10 23:16:52)
Difficulty: 3 of 5Under An extra square (in Shapes)
Posted on 2002-04-30 (15 Comments)
Question re: Solution by Erik O. (2004-06-04 14:09:55)
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