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Riad Khanmagomedov's April Contest — 3rd to 10th April 201965 posts • Page 2 of 3 • 1 2 3
@ 2019-04-06 12:13 AM (#26859 - in reply to #26858) (#26859) Top

ghirsch



Posts: 102
100
Country : United States

ghirsch posted @ 2019-04-06 12:13 AM

It looks like the example for dice masyu has multiple solutions, can you confirm if this is a mistake or if I am misunderstanding a rule?



(Screen Shot 2019-04-05 at 2.41.26 PM.png)



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@ 2019-04-06 11:55 AM (#26860 - in reply to #26822) (#26860) Top

deu



Posts: 69
202020
Country : Japan

deu posted @ 2019-04-06 11:55 AM

In Fragments of Seas, is it allowed to rotate and/or reflect fragments?
@ 2019-04-06 2:07 PM (#26861 - in reply to #26822) (#26861) Top

kiwijam



Posts: 181
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Country : New Zealand

kiwijam posted @ 2019-04-06 2:07 PM

@randomperson1729: Exactly right.
@ghirsch: The Dice Masyu example has multiple solutions, but the big puzzle has only one solution.
@deu: No, the 10x5 rectangles can not be rotated or reflected.
@ 2019-04-06 4:07 PM (#26862 - in reply to #26822) (#26862) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2019-04-06 4:07 PM

Puzzle Booklet

An updated version of Puzzle Booklet can now be downloaded.

Changes:
1) Puzzle 6: Correction to the example
2) Puzzle 11: Removed the brackets for the expression to be minimized

@ 2019-04-07 1:54 AM (#26863 - in reply to #26822) (#26863) Top

Badacoin



Posts: 4

Country : France

Badacoin posted @ 2019-04-07 1:54 AM

7. Fragments of Sea:
Can two grids use the same ship type?

8. Dice Masyu
What happens when you place a dice on top of an existing circle? Does the position of this existing circle have to match the position of a circle on the dice?
@ 2019-04-07 1:10 PM (#26864 - in reply to #26822) (#26864) Top

Puzlifouk



Posts: 61
202020
Country : France

Puzlifouk posted @ 2019-04-07 1:10 PM

A small question again, about "Fragments of seas" : is there 1 fragment from each grid, or is it possible that 2 fragments come from the same grid, and no fragment come from another grid?
@ 2019-04-07 3:12 PM (#26865 - in reply to #26864) (#26865) Top

rakesh_rai




Posts: 774
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Country : India

rakesh_rai posted @ 2019-04-07 3:12 PM

Puzlifouk - 2019-04-07 1:10 PM

A small question again, about "Fragments of seas" : is there 1 fragment from each grid, or is it possible that 2 fragments come from the same grid, and no fragment come from another grid?
one fragment from each grid
@ 2019-04-07 3:13 PM (#26866 - in reply to #26822) (#26866) Top

Badacoin



Posts: 4

Country : France

Badacoin posted @ 2019-04-07 3:13 PM

I'd like some clarification about Dice Masyu.

What happens when you place a dice on top of an existing circle? Must the position of the existing circle match the position of a circle on the dice?
Do all existing circles in the grid belong to a dice?


Edit: Sorry for the double post, I thought I made a mistake and didn't correctly submit the first one

Edited by Badacoin 2019-04-07 3:29 PM
@ 2019-04-07 3:16 PM (#26867 - in reply to #26863) (#26867) Top

rakesh_rai




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rakesh_rai posted @ 2019-04-07 3:16 PM

Badacoin - 2019-04-07 1:54 AM

7. Fragments of Sea:
Can two grids use the same ship type?

One type in each grid. The answer to your question is "NO."
@ 2019-04-07 7:03 PM (#26868 - in reply to #26822) (#26868) Top

GaS



Posts: 24
20
Country : ITALY

GaS posted @ 2019-04-07 7:03 PM

Hi all,
what about multiple submission for optimizer puzzles? There is reduction of potential score, as for usual LMI contest, or are allowed without impact on the score?
Thanks
Gabriele
@ 2019-04-07 8:40 PM (#26869 - in reply to #26868) (#26869) Top

rakesh_rai




Posts: 774
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Country : India

rakesh_rai posted @ 2019-04-07 8:40 PM

GaS - 2019-04-07 7:03 PM

Hi all,
what about multiple submission for optimizer puzzles? There is reduction of potential score, as for usual LMI contest, or are allowed without impact on the score?
Thanks
Gabriele

Last submission will be considered. There is no penalty as there is no instant grading.
@ 2019-04-08 6:22 AM (#26870 - in reply to #26822) (#26870) Top

Eugene Porter



Posts: 11

Country : United States

Eugene Porter posted @ 2019-04-08 6:22 AM

Hi there I am enjoying your contest. It is very well done. I do have a question about Dice Maysu. If you cover an existing circle with a half domino is it still 'seen'? For example, if one were to place a domino of six such that a pre-existing circle would be the middle of that six after placement --- would the middle circle be covered ? Would the circle be 'in play' along with the rest of the domino ? Or would one not be allowed to place a domino of 6 in such a location?

Thanks -E
@ 2019-04-08 10:40 AM (#26871 - in reply to #26822) (#26871) Top

kiwijam



Posts: 181
10020202020
Country : New Zealand

kiwijam posted @ 2019-04-08 10:40 AM

In Dice Masyu, every given circle must match a half-domino circle.
e.g. You cannot place a 6-domino such that the centre cell of the 6 covers an existing circle.
And you cannot have an existing circle with no half-domino covering it.
@ 2019-04-08 1:38 PM (#26872 - in reply to #26822) (#26872) Top

Riad Khanmagomedov



Posts: 216
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Country : Russia

Riad Khanmagomedov posted @ 2019-04-08 1:38 PM

Thanks for the comments, I will consider everything (including those received by mail) and update the file later.
@ 2019-04-08 10:08 PM (#26873 - in reply to #26872) (#26873) Top

L00ping007



Posts: 9

Country : France

L00ping007 posted @ 2019-04-08 10:08 PM

I understood my mistake on Levers, and finally solved it ! So my earlier post can be trashed ...

I also just solved "Crossword with tips". Great puzzle ! I loved it
But I was surprised to find multiple distinct solutions to this puzzle (i found 5)
However, the marked diagonal is the same for these 5 solutions, so no matter.
Are you aware of these multiple solutions, or do you want me to provide them to you ?
@ 2019-04-09 12:20 AM (#26874 - in reply to #26873) (#26874) Top

anurag



Posts: 136
10020
Country : India

anurag posted @ 2019-04-09 12:20 AM

Hey Looping,
It is interesting that you managed to find 5 solutions. If it really does have multiple solutions as you say, it is not 'ok' just because the answer key is unique. Answer keys are there only to allow for claiming that one has solved the puzzle.

Edited by anurag 2019-04-09 12:23 AM
@ 2019-04-09 4:42 AM (#26875 - in reply to #26822) (#26875) Top

randomperson1729



Posts: 10

Country : United States

randomperson1729 posted @ 2019-04-09 4:42 AM

I have a question about distyle.
In the rows at the edges of the board, do the gaps count as white squares, or are two black dominoes across a gap counted as part of one black grouping?
@ 2019-04-09 5:17 AM (#26876 - in reply to #26873) (#26876) Top

deu



Posts: 69
202020
Country : Japan

deu posted @ 2019-04-09 5:17 AM

L00ping007 - 2019-04-08 10:08 PM

I also just solved "Crossword with tips". Great puzzle ! I loved it
But I was surprised to find multiple distinct solutions to this puzzle (i found 5)
However, the marked diagonal is the same for these 5 solutions, so no matter.
Are you aware of these multiple solutions, or do you want me to provide them to you ?


I also found 5 solutions to this puzzle. As marked diagonal is the same for all of them, I submitted that common diagonal.
(If organizers need alternative solutions, I can send them.)
@ 2019-04-09 3:38 PM (#26877 - in reply to #26822) (#26877) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2019-04-09 3:38 PM

Puzzle Booklet

An updated version of Puzzle Booklet can now be downloaded.

Changes:
1) Puzzle 8: Correction to the example
2) Puzzle 9: Removed the name JAYANT from the given options

Those who have already solved and submitted answer (for puzzle 9) need not submit again. Those who have not solved yet can use the updated pdf.

@ 2019-04-09 9:10 PM (#26878 - in reply to #26822) (#26878) Top

Badacoin



Posts: 4

Country : France

Badacoin posted @ 2019-04-09 9:10 PM

Once the contest is over, I'd like someone to send me those alternate solutions, as I completely missed them during my solve.
@ 2019-04-09 10:23 PM (#26879 - in reply to #26877) (#26879) Top

anurag



Posts: 136
10020
Country : India

anurag posted @ 2019-04-09 10:23 PM

Tapa's answer key is as taxing as solving the puzzle itself. 12,0,7,0,6,0,....format would have been far easier.
@ 2019-04-09 11:06 PM (#26880 - in reply to #26822) (#26880) Top

anurag



Posts: 136
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Country : India

anurag posted @ 2019-04-09 11:06 PM

Tapa: The focus in red background next to the text input will not go. It is there eternally even after entering the answer key string. Is something wrong with that part of the page? I would be glad if the admin can confirm the answer key was received.
@ 2019-04-10 7:26 PM (#26881 - in reply to #26880) (#26881) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2019-04-10 7:26 PM

anurag - 2019-04-09 11:06 PM

Tapa: The focus in red background next to the text input will not go. It is there eternally even after entering the answer key string. Is something wrong with that part of the page? I would be glad if the admin can confirm the answer key was received.


http://logicmastersindia.com/forum/forums/thread-view.asp?tid=2695&...

Your last submission was received on 9th April 11:12 pm.
@ 2019-04-11 5:46 AM (#26882 - in reply to #26822) (#26882) Top

debmohanty




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Country : India

debmohanty posted @ 2019-04-11 5:46 AM

@ 2019-04-11 9:27 AM (#26883 - in reply to #26822) (#26883) Top

kiwijam



Posts: 181
10020202020
Country : New Zealand

kiwijam posted @ 2019-04-11 9:27 AM

I can see a couple of optimizers (not mine) with single cell mistakes, presumably from entering the long answer keys.
Do we have a rule for these situations? I don't feel that 0 is fair if they put hours(?) of work in.


Edited by kiwijam 2019-04-11 9:44 AM
Riad Khanmagomedov's April Contest — 3rd to 10th April 201965 posts • Page 2 of 3 • 1 2 3
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