Announcing "LMI Beginners' Puzzle Contests"191 posts • Page 6 of 8 • 1 2 3 4 5 6 7 8
@ 2014-03-22 1:39 PM (#14670 - in reply to #14669) (#14670) Top

prasanna16391



Posts: 1532
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prasanna16391 posted @ 2014-03-22 1:39 PM

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.
@ 2014-03-23 5:31 PM (#14674 - in reply to #14660) (#14674) Top

totoron8655



Posts: 3

Country : Japan

totoron8655 posted @ 2014-03-23 5:31 PM

I need solutions.

I'm not good in both puzzles...
@ 2014-03-24 5:02 AM (#14677 - in reply to #14579) (#14677) Top

BTroisi



Posts: 7

Country : United States

BTroisi posted @ 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
@ 2014-03-24 6:58 AM (#14678 - in reply to #14677) (#14678) Top

swaroop2011




Posts: 636
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Country : India

swaroop2011 posted @ 2014-03-24 6:58 AM

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
@ 2014-03-24 1:48 PM (#14680 - in reply to #10788) (#14680) Top

jiangty



Posts: 1

Country : United States

jiangty posted @ 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...
@ 2014-03-24 2:15 PM (#14681 - in reply to #14680) (#14681) Top

prasanna16391



Posts: 1532
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Country : India

prasanna16391 posted @ 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.
@ 2014-03-24 10:18 PM (#14684 - in reply to #10788) (#14684) Top

bartunio



Posts: 6

Country : Poland

bartunio posted @ 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
@ 2014-03-25 12:18 AM (#14685 - in reply to #10788) (#14685) Top

BTroisi



Posts: 7

Country : United States

BTroisi posted @ 2014-03-25 12:18 AM

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?
@ 2014-03-25 12:41 AM (#14686 - in reply to #10788) (#14686) Top

achan1058



Posts: 80
20202020
Country : Canada

achan1058 posted @ 2014-03-25 12:41 AM

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
@ 2014-03-25 5:18 AM (#14688 - in reply to #14681) (#14688) Top

Administrator



20001000100100100202020
Country : India

Administrator posted @ 2014-03-25 5:18 AM

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.
@ 2014-03-26 12:48 PM (#14692 - in reply to #10788) (#14692) Top

mathcrazy



Posts: 33
20
Country : India

mathcrazy posted @ 2014-03-26 12:48 PM

I'm unable to view my Tetrominoes submissions
@ 2014-05-03 7:12 PM (#15173 - in reply to #10788) (#15173) Top

Administrator



20001000100100100202020
Country : India

Administrator posted @ 2014-05-03 7:12 PM

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

@ 2014-05-03 7:24 PM (#15175 - in reply to #10788) (#15175) Top

Administrator



20001000100100100202020
Country : India

Administrator posted @ 2014-05-03 7:24 PM

The pdf files from Yin-Yang variations contest site are not accessible.
They can be downloaded from here and here. Thanks Andrey for sharing.
@ 2014-05-03 8:24 PM (#15176 - in reply to #10788) (#15176) Top

swaroop2011




Posts: 636
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Country : India

swaroop2011 posted @ 2014-05-03 8:24 PM

whats the password for the booklet of yin-yang variations contest ?
@ 2014-05-03 8:35 PM (#15177 - in reply to #15176) (#15177) Top

Valezius



Posts: 66
202020
Country : Hungary

Valezius posted @ 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
@ 2014-05-03 8:39 PM (#15178 - in reply to #15177) (#15178) Top

swaroop2011




Posts: 636
50010020
Country : India

swaroop2011 posted @ 2014-05-03 8:39 PM

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
@ 2014-05-04 12:19 PM (#15182 - in reply to #10788) (#15182) Top

mathcrazy



Posts: 33
20
Country : India

mathcrazy posted @ 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?
@ 2014-05-04 3:07 PM (#15183 - in reply to #15182) (#15183) Top

swaroop2011




Posts: 636
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Country : India

swaroop2011 posted @ 2014-05-04 3:07 PM

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
@ 2014-05-06 8:55 PM (#15201 - in reply to #15173) (#15201) Top

mathcrazy



Posts: 33
20
Country : India

mathcrazy posted @ 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.
@ 2014-05-06 9:07 PM (#15202 - in reply to #15201) (#15202) Top

Valezius



Posts: 66
202020
Country : Hungary

Valezius posted @ 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.
@ 2014-05-06 9:40 PM (#15203 - in reply to #15202) (#15203) Top

mathcrazy



Posts: 33
20
Country : India

mathcrazy posted @ 2014-05-06 9:40 PM

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. :)

@ 2014-05-07 8:06 AM (#15208 - in reply to #10788) (#15208) Top

Administrator



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Country : India

Administrator posted @ 2014-05-07 8:06 AM

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.
@ 2014-05-08 5:48 AM (#15229 - in reply to #15173) (#15229) Top

Administrator



20001000100100100202020
Country : India

Administrator posted @ 2014-05-08 5:48 AM

May Beginners' Puzzle Contest has started


Submission Links : MinesweepersYin-Yang

Score page : link

@ 2014-05-08 10:32 AM (#15230 - in reply to #10788) (#15230) Top

swaroop2011




Posts: 636
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Country : India

swaroop2011 posted @ 2014-05-08 10:32 AM

Yin-Yang last puzzle (exploratory) was simply awesome :)
Also Minesweeper 6th puzzle was awesome :)
Nice Contest. I requested for credit in Minesweeper don't know will get it or not. I thought the stretch of 3 cells is like 3 mines. so was submitting total cells and it gave wrong and then thought it is single dynamite. Apart from that a nice contest for beginners. :)
Thanks to Author and LMI. :)
@ 2014-05-08 10:44 AM (#15231 - in reply to #15173) (#15231) Top

achan1058



Posts: 80
20202020
Country : Canada

achan1058 posted @ 2014-05-08 10:44 AM

Somehow I am missing the category bonus for the minesweeper, despite finishing everything within 20 minutes.

Anyways, I have a complaint on the formatting of the PDF. My printer is cutting off the top and bottom of each page. While it didn't actually cut off the puzzles, it cuts off part of the instructions and exploratory puzzle sample.

The puzzle types themselves are right up my alley, especially minesweeper.

Edited by achan1058 2014-05-08 10:45 AM
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