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forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018
   LMI Tests -> Annual Competitions50 posts • Page 2 of 2 • 1 2
skrzypl1
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-21 3:43 PM (#24306 - in reply to #24242) (#24306) Top




Posts: 1

Location: 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
forsmarts
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-21 4:13 PM (#24307 - in reply to #24306) (#24307) Top


forsmarts 13th Anniversary Contest Author

Posts: 33
20
Location: 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.
Ziti
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-22 10:22 AM (#24311 - in reply to #24242) (#24311) Top




Posts: 38
20
Location: USA
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.
forsmarts
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-22 4:22 PM (#24314 - in reply to #24311) (#24314) Top


forsmarts 13th Anniversary Contest Author

Posts: 33
20
Location: Belarus
Ziti - 2018-02-22 10:22 AM
Will there be a solution pdf published?

I'm sure the solutions will be posted a bit later on a contest page. Meanwhile you can get it from here: https://drive.google.com/open?id=1-WA0Yld3B-L_d-CzrC-nBNj13kdc0eiw
tamz29
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-22 11:49 PM (#24318 - in reply to #24242) (#24318) Top




Posts: 158
1002020
Location: Thailand
Great puzzles and a lot of new ideas!
Is there a way to see the puzzles from the aforementioned Moscow Cup ?
forsmarts
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-23 1:37 AM (#24321 - in reply to #24318) (#24321) Top


forsmarts 13th Anniversary Contest Author

Posts: 33
20
Location: 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.
Para
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-23 5:58 AM (#24323 - in reply to #24242) (#24323) Top




Posts: 307
100100100
Location: The Netherlands
Isn’t this a valid solution for Incorrect Products too?

42513
31452
23145
54231
15324
chaotic_iak
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-23 6:55 AM (#24324 - in reply to #24242) (#24324) Top



NEW, HUGE, AND CHALLENGING Author

Posts: 214
100100
Location: 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
Administrator
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-23 9:03 AM (#24326 - in reply to #24324) (#24326) Top


20001001001001002020
Location: India
Solution Booklet available now.
Para
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-23 10:29 AM (#24327 - in reply to #24324) (#24327) Top




Posts: 307
100100100
Location: The Netherlands
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.
rob
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-24 8:36 PM (#24332 - in reply to #24242) (#24332) Top


Classics & Regions (PR 2016/17) Author

Posts: 137
10020
Location: Germany
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).
forsmarts
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-24 11:56 PM (#24334 - in reply to #24332) (#24334) Top


forsmarts 13th Anniversary Contest Author

Posts: 33
20
Location: 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.
Ziti
Subject: Re: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-25 3:46 AM (#24335 - in reply to #24242) (#24335) Top




Posts: 38
20
Location: USA
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! :)
Eugene Porter
Subject: RE: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-27 1:25 PM (#24362 - in reply to #24242) (#24362) Top




Posts: 5

Location: USA
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.
forsmarts
Subject: RE: forsmarts 15th Anniversary contest (2017) - 16th to 19th Feb 2018 @ 2018-02-27 8:22 PM (#24364 - in reply to #24362) (#24364) Top


forsmarts 13th Anniversary Contest Author

Posts: 33
20
Location: 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.
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