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Announcing "LMI Beginners' Puzzle Contests"
   LMI Tests -> Indian Sudoku and Puzzle Championships191 posts • Page 6 of 8 • 1 2 3 4 5 6 7 8
aldentea
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-22 9:43 AM (#14668 - in reply to #10788) (#14668) Top




Posts: 10

Location: Japan
I spent 90min. of Spiral Galaxies Exploratory.

At first, I found regions with a gray point had ONE extra cell.
It is my regret that I tried match-making subsequently...

Even though they may not be suited for Beginners' contests, they are nice surprising puzzles themselves.
Semax
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-22 12:39 PM (#14669 - in reply to #10788) (#14669) Top




Posts: 9

Location: Germany
I am also interested in the rules for Exploratory Spiral Galaxies.

@chaotik_iak: With your rules, the example has many solutions. For example, make the black and white regions as small as possible (each only 1 or two cells) and then you still have many ways to make grey regions.
prasanna16391
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-22 1:39 PM (#14670 - in reply to #14669) (#14670) Top


PR 2020 (Evergreens) Author

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Semax - 2014-03-22 12:39 PM

I am also interested in the rules for Exploratory Spiral Galaxies.

@chaotik_iak: With your rules, the example has many solutions. For example, make the black and white regions as small as possible (each only 1 or two cells) and then you still have many ways to make grey regions.


You can't make a white region 1/2 cells because that'd make it a rectangle. I think a white region would have to be a minimum of 4 cells (S tetromino) to follow the non-rectangle rule.
totoron8655
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-23 5:31 PM (#14674 - in reply to #14660) (#14674) Top




Posts: 3

Location: Japan
I need solutions.

I'm not good in both puzzles...
BTroisi
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-24 5:02 AM (#14677 - in reply to #14579) (#14677) Top




Posts: 6

Location: usa
Are the correct solutions shown somewhere? I never succeeded in submitting a correct answer for SG #5 even tho' I can't see anything wrong with my solutions (I came up with ambiguity in UL corner).

thanks for hours of fun
swaroop2011
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-24 6:58 AM (#14678 - in reply to #14677) (#14678) Top


PR 2020 (Shading and Loops) Author

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you can upload your solved solution here, so that we can see where you are going wrong :)
BTroisi - 2014-03-24 5:02 AM

Are the correct solutions shown somewhere? I never succeeded in submitting a correct answer for SG #5 even tho' I can't see anything wrong with my solutions (I came up with ambiguity in UL corner).

thanks for hours of fun
jiangty
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-24 1:48 PM (#14680 - in reply to #10788) (#14680) Top




Posts: 1

Location: USA
I'm really confused--what is the "Cat bonus"? I have no idea why I didn't receive it for Tetrominoes...
prasanna16391
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-24 2:15 PM (#14681 - in reply to #14680) (#14681) Top


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jiangty - 2014-03-24 1:48 PM

I'm really confused--what is the "Cat bonus"? I have no idea why I didn't receive it for Tetrominoes...


Cat Bonus is short for Category Bonus which is explained in the Instruction Booklet. There's some bug in the score page, and you are eligible for the bonus. We will look into it and rectify it as soon as possible.
bartunio
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-24 10:18 PM (#14684 - in reply to #10788) (#14684) Top




Posts: 6

Location: Poland
I would be grateful if you could see my "cat bonus" as well - solved all the tetrominos in time, so probably should get the full score for that? Best - Bartek
BTroisi
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-25 12:18 AM (#14685 - in reply to #10788) (#14685) Top




Posts: 6

Location: usa
About Tetrominoes #5
I have these rows: K: LLTIIIIOO (alternatively TZZIIIIOO) L: ITTTIZZIL M: LLLTTTLL
Which seemed to have an answer of 2142 (or 1242) 131211 332
But neither answer was accepted. Tried a couple of times to see if I fat-fingered them.
Resolved MANY times but always came up with this answer.
Where have I gone wrong?
achan1058
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-25 12:41 AM (#14686 - in reply to #10788) (#14686) Top




Posts: 79
202020
Location: Canada
Your first and third answers are wrong. The rule says each tetromino may contain at most 1 letter. With the first 2 answers you gave me, I cannot satisfy the L in R4C4. Without seeing a photo of your solution, I cannot comment further, but the error is probably the entire left hand side, pretty much the whole first 4 columns.

As a general rule of thumb, if you got more than 1 solution, both of them are almost certainly wrong, and the error is usually not in the ambiguity itself, but somewhere further back that gets you to this ambiguity in the first place. (Unless of course the error is that you missed part of the rules.)

Edited by achan1058 2014-03-25 12:55 AM
Administrator
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-25 5:18 AM (#14688 - in reply to #14681) (#14688) Top


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Location: India
prasanna16391 - 2014-03-24 2:15 PM

jiangty - 2014-03-24 1:48 PM

I'm really confused--what is the "Cat bonus"? I have no idea why I didn't receive it for Tetrominoes...


Cat Bonus is short for Category Bonus which is explained in the Instruction Booklet. There's some bug in the score page, and you are eligible for the bonus. We will look into it and rectify it as soon as possible.

bartunio - 2014-03-24 10:18 PM

I would be grateful if you could see my "cat bonus" as well - solved all the tetrominos in time, so probably should get the full score for that? Best - Bartek

Fixed.
mathcrazy
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-03-26 12:48 PM (#14692 - in reply to #10788) (#14692) Top




Posts: 33
20
Location: India
I'm unable to view my Tetrominoes submissions
Administrator
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-03 7:12 PM (#15173 - in reply to #10788) (#15173) Top


20005001001001001002020
Location: India

May Beginners' Puzzle Contest

Types
• Minesweeper• Yin-Yang
Dates : 8th - 13th May (including both dates)
Submission Link : http://logicmastersindia.com/BeginnersPuzzle/201405/
Puzzles by: Horvath Zoltan

Administrator
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-03 7:24 PM (#15175 - in reply to #10788) (#15175) Top


20005001001001001002020
Location: India
The pdf files from Yin-Yang variations contest site are not accessible.
They can be downloaded from here and here. Thanks Andrey for sharing.
swaroop2011
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-03 8:24 PM (#15176 - in reply to #10788) (#15176) Top


PR 2020 (Shading and Loops) Author

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whats the password for the booklet of yin-yang variations contest ?
Valezius
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-03 8:35 PM (#15177 - in reply to #15176) (#15177) Top


WPMM Author

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swaroop2011 - 2014-05-03 8:24 PM

whats the password for the booklet of yin-yang variations contest ?


Hi!

BW02diogen
swaroop2011
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-03 8:39 PM (#15178 - in reply to #15177) (#15178) Top


PR 2020 (Shading and Loops) Author

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Valezius - 2014-05-03 8:35 PM

swaroop2011 - 2014-05-03 8:24 PM

whats the password for the booklet of yin-yang variations contest ?


Hi!

BW02diogen


Thanks
mathcrazy
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-04 12:19 PM (#15182 - in reply to #10788) (#15182) Top




Posts: 33
20
Location: India
In the first example of Yin Yang Variations Contest, there is another solution possible with the answer key as BBWWW, BWBBW.. Is this correct?
swaroop2011
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-04 3:07 PM (#15183 - in reply to #15182) (#15183) Top


PR 2020 (Shading and Loops) Author

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mathcrazy - 2014-05-04 12:19 PM

In the first example of Yin Yang Variations Contest, there is another solution possible with the answer key as BBWWW, BWBBW.. Is this correct?

Yes i think. Even i am getting multiple solutions (as you mentioned)


Edited by swaroop2011 2014-05-04 3:08 PM
mathcrazy
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-06 8:55 PM (#15201 - in reply to #15173) (#15201) Top




Posts: 33
20
Location: India
Any pointers on how to go about solving the Count puzzle in Yin Yang Variations contest? I'm unable to get a start. The example given is too easy.
Valezius
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-06 9:07 PM (#15202 - in reply to #15201) (#15202) Top


WPMM Author

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mathcrazy - 2014-05-06 8:55 PM

Any pointers on how to go about solving the Count puzzle in Yin Yang Variations contest? I'm unable to get a start. The example given is too easy.


The key is Rohan's post:
http://rohanrao.blogspot.in/2010/12/solving-black-and-white-edge-co...

There is 5 black circles in the 1st row and 3 in the last.
So there are only 2 ways:

The full right side is black and the first 5 circles in 1st row and first 3 in last row.
OR
The full left side is black and the last 5 circles in 1st row and last 3 in last row.

The second one won't work if you try it, because of the 2 in 3rd column. It leads a contradiction in 2nd column.

When you fill the edge you can solve the puzzle. (For instance you can continue in 2nd row.)



In the second one it is also possible to fill the full edge. According to the given numbers on the edge and the number 1 in C5.
mathcrazy
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-06 9:40 PM (#15203 - in reply to #15202) (#15203) Top




Posts: 33
20
Location: India
Valezius - 2014-05-06 9:07 PM

mathcrazy - 2014-05-06 8:55 PM

Any pointers on how to go about solving the Count puzzle in Yin Yang Variations contest? I'm unable to get a start. The example given is too easy.


The key is Rohan's post:
http://rohanrao.blogspot.in/2010/12/solving-black-and-white-edge-co...

There is 5 black circles in the 1st row and 3 in the last.
So there are only 2 ways:

The full right side is black and the first 5 circles in 1st row and first 3 in last row.
OR
The full left side is black and the last 5 circles in 1st row and last 3 in last row.

The second one won't work if you try it, because of the 2 in 3rd column. It leads a contradiction in 2nd column.

When you fill the edge you can solve the puzzle. (For instance you can continue in 2nd row.)



In the second one it is also possible to fill the full edge. According to the given numbers on the edge and the number 1 in C5.


Thanks! That helped! It didn't strike me before. :)

Administrator
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-07 8:06 AM (#15208 - in reply to #10788) (#15208) Top


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Location: India
Just a note about the answer key of Yin-Yang, although it is clear in the IB :

For each marked row, enter the number of black circles, including the given ones.
Administrator
Subject: Re: Announcing "LMI Beginners' Puzzle Contests" @ 2014-05-08 5:48 AM (#15229 - in reply to #15173) (#15229) Top


20005001001001001002020
Location: India

May Beginners' Puzzle Contest has started


Submission Links : MinesweepersYin-Yang

Score page : link

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