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prasanna16391
Posts: 1801
  
Country : India | chaotic_iak - 2018-02-21 6:41 AM
My first ever podium finish that I can remember, and this is done when I'm half-asleep. Clearly I should do contests while half-asleep. :P
I've come to a similar conclusion recently. I make more mistakes when I'm solving fresh -_- There's probably a weird theory explaining it somewhere even if I can't think of one now.  |
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forsmarts
Posts: 33
Country : Belarus | Big thanks to all the competitors and congratulations to Endo, Ivan and Kota, who made it to a top-3.
I would also like to thank my co-authors:
Olga Shut, who created all Unknown puzzles and Instructionless Gamma
and Andrey Bogdanov, author of all Triangular puzzles.
Edited by forsmarts 2018-02-21 3:37 PM
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skrzypl1
Posts: 1
Country : Poland | I think that Unknown digits have second possible solution: 1234. Connecting: 1-6, 2-7, 3-5, 3-9, 4-5. Am I wrong?
Also, can we know rules for instructionless puzzles? For example when I solve alpha I get multiple solutions (but proper answer keys nevertheless).
EDIT: I just figured out proper alpha rules that don't give multiple solutions.
Edited by skrzypl1 2018-02-21 4:04 PM
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forsmarts
Posts: 33
Country : Belarus | skrzypl1 - 2018-02-21 3:43 PM
I think that Unknown digits have second possible solution: 1234. Connecting: 1-6, 2-7, 3-5, 3-9, 4-5. Am I wrong?
Seems like you're right : ( Confirmed with Olga.
I'll ask an administrator to give full points for this one as well. |
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Ziti
Posts: 42
Country : United States | Ziti posted @ 2018-02-22 10:22 AM Thank you Vladimir and all your helpers for an entertaining and challenging set of puzzles. I never know how such creative people come up with new puzzle types but I am grateful that you do!
Will there be a solution pdf published? Man oh man I do not see what I did wrong on Gamma -- at least the first one seems like it follows a perfectly unique set of rules. |
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forsmarts
Posts: 33
Country : Belarus | |
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tamz29
Posts: 225
Country : Thailand | tamz29 posted @ 2018-02-22 11:49 PM Great puzzles and a lot of new ideas!
Is there a way to see the puzzles from the aforementioned Moscow Cup ? |
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forsmarts
Posts: 33
Country : Belarus | tamz29 - 2018-02-22 11:49 PM
Is there a way to see the puzzles from the aforementioned Moscow Cup ?
They'll be posted shortly on http://diogenclub.com/, but it will be in Russian. |
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Para
Posts: 315
Country : The Netherlands | Para posted @ 2018-02-23 5:58 AM Isn’t this a valid solution for Incorrect Products too?
42513
31452
23145
54231
15324 |
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chaotic_iak
Posts: 241
Country : Indonesia | Para: The 6 is replaced by a 18; that's not a change of one digit.
And to the puzzle: It's a shame to know that Unknown Diginet has multiple solutions. That must be why I was wondering how you can possibly approach this logically.
Edited by chaotic_iak 2018-02-23 6:56 AM
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Administrator
Country : India | |
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Para
Posts: 315
Country : The Netherlands | Para posted @ 2018-02-23 10:29 AM chaotic_iak - 2018-02-23 6:55 AM
Para: The 6 is replaced by a 18; that's not a change of one digit.
And to the puzzle: It's a shame to know that Unknown Diginet has multiple solutions. That must be why I was wondering how you can possibly approach this logically.
Ah, okay. I didn’t really read the rules carefully enough. I just went with, they all work the same as the first, which was one incorrect clue. |
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rob
Posts: 170
Country : Germany | rob posted @ 2018-02-24 8:36 PM For beta, also the line has to turn at each dot? Otherwise the example seems not unique.
The alpha rules are nice, unfortunately some Slalom-like rules were too promising for me (no loops, then no crosses: seemed to work fine for the example and the first puzzle, but the second one is contradictory quite late). |
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forsmarts
Posts: 33
Country : Belarus | rob - 2018-02-24 8:36 PM
For beta, also the line has to turn at each dot? Otherwise the example seems not unique.
You're right, it should also make a turn at each dot!
rob - 2018-02-24 8:36 PM
The alpha rules are nice, unfortunately some Slalom-like rules were too promising for me (no loops, then no crosses: seemed to work fine for the example and the first puzzle, but the second one is contradictory quite late).
Example is not unique for slalom-like solution, there's one cell that may contain either slash. |
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Ziti
Posts: 42
Country : United States | Ziti posted @ 2018-02-25 3:46 AM Thank you for the solutions, Vladimir. I solved Gamma as "Path must alternate going through circle-wall-circle-wall..." but did not realize the additional constraint. It solved the example uniquely but obviously not uniquely for the puzzles themselves. Which might explain why I had to guess and was happy (at the time!) to reach a conclusion! :) |
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Eugene Porter
Posts: 11
Country : United States | I thought it was a great contest. I did have one question about the incorrect products puzzle. I got an answer of 45213 and 23541 doing this the 36 was the incorrect product. Maybe I am missing something but after checking many times this seems to be a possible alternative solution. |
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forsmarts
Posts: 33
Country : Belarus | Eugene Porter - 2018-02-27 1:25 PM
I did have one question about the incorrect products puzzle. I got an answer of 45213 and 23541 doing this the 36 was the incorrect product. Maybe I am missing something but after checking many times this seems to be a possible alternative solution.
The rules say there's just one incorrect digit. If you have a solution with 36 turning into, say, 16 or 35, please share, but I still think the solution is unique. |
@ 2018-02-21 3:26 PM (#24304 - in reply to #24302) (#24304) Top