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Snake Variations Contest - 201531 posts • Page 1 of 2 • 1 2
@ 2015-11-01 11:26 PM (#19747) (#19747) Top

Administrator



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Administrator posted @ 2015-11-01 11:26 PM

INSTRUCTIONS BOOKLET IS UPLOADED



Edited by rakesh_rai 2015-11-02 10:22 PM
@ 2015-11-03 10:15 AM (#19772 - in reply to #19747) (#19772) Top

ashaash11ash



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ashaash11ash posted @ 2015-11-03 10:15 AM

Any queries regarding the IB.. feel free to ask..


Edited by ashaash11ash 2015-11-03 10:15 AM
@ 2015-11-03 10:32 AM (#19773 - in reply to #19747) (#19773) Top

swaroop2011




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swaroop2011 posted @ 2015-11-03 10:32 AM

Looks interesting types, and would serve as a good practice before Snake round appears soon in PR by you.

As the Puzzle types for the linked snake is different than rest of the test, it would be helpful if there is an example for the same, even a small one would do.
@ 2015-11-03 11:08 AM (#19775 - in reply to #19747) (#19775) Top

ashaash11ash



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ashaash11ash posted @ 2015-11-03 11:08 AM

I will soon post an example for the same.. However this contest will be an easy one...
@ 2015-11-03 1:57 PM (#19779 - in reply to #19747) (#19779) Top

rob



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rob posted @ 2015-11-03 1:57 PM

The rules for the classic snake state that the centre will be given, but the example doesn't show it. Is it correct that all four classic snakes will have head, tail and centre given, but no total length?

Just to confirm, for the loop snake, you put in a snake, and then the puzzle is solvable as a "simple loop"?

For the coded snake, may there be gaps in the set of clues, and is 0 permitted?

For the linked snake, does the masyu white pearl rule extend into the neighbouring quadrants? I.e., if there's a white pearl on the edge, and the snake passes this orthogonally to the grid edge, does the cell in the next grid count as a possible turn?

Thanks!
@ 2015-11-03 2:40 PM (#19780 - in reply to #19779) (#19780) Top

vopani



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vopani posted @ 2015-11-03 2:40 PM

The rules for the classic snake state that the centre will be given, but the example doesn't show it. Is it correct that all four classic snakes will have head, tail and centre given, but no total length?

Good catch. I believe the instructions need to be corrected. The example is correct, the centre will NOT be given.

Just to confirm, for the loop snake, you put in a snake, and then the puzzle is solvable as a "simple loop"?

Yes, that is correct.

For the coded snake, may there be gaps in the set of clues, and is 0 permitted?

The range of numbers possible for the alphabets will be given. Eg: If there are 8 alphabets, range can be 0~7, 1~8, 1~9 (with one missing), etc. It will be given.

For the linked snake, does the masyu white pearl rule extend into the neighbouring quadrants? I.e., if there's a white pearl on the edge, and the snake passes this orthogonally to the grid edge, does the cell in the next grid count as a possible turn?

The rules apply ONLY to that particular quadrant. The puzzle is such that there won't be any confusion/discrepancy like the example you mentioned :-)
@ 2015-11-03 11:00 PM (#19786 - in reply to #19747) (#19786) Top

rvarun



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rvarun posted @ 2015-11-03 11:00 PM

Can I have some links to learn how to solve Snake type puzzles. I have not solved one yet.
@ 2015-11-04 3:06 AM (#19789 - in reply to #19747) (#19789) Top

rob



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rob posted @ 2015-11-04 3:06 AM

The instruction booklet has links to two previous Snake Variation contests. Also, croco-puzzle is currently running a series of snake variants: http://www.croco-puzzle.com/Ue-Raetsel/serie.php?serie=60 (though the rules are in German, but feel free to ask).
@ 2015-11-04 5:57 AM (#19790 - in reply to #19747) (#19790) Top

chaotic_iak




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chaotic_iak posted @ 2015-11-04 5:57 AM

Loop Snake: Is the loop necessarily unique? May the loop go through black cells (the given ones, not the snake)?
@ 2015-11-04 7:54 AM (#19791 - in reply to #19790) (#19791) Top

vopani



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vopani posted @ 2015-11-04 7:54 AM

chaotic_iak - 2015-11-04 5:57 AM

Loop Snake: Is the loop necessarily unique? May the loop go through black cells (the given ones, not the snake)?

The loop is not necessarily unique. The loop CANNOT go through given black cells.
@ 2015-11-04 2:00 PM (#19792 - in reply to #19747) (#19792) Top

Administrator



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Administrator posted @ 2015-11-04 2:00 PM

Instruction Booklet Update

An updated version of the Instruction Booklet has been uploaded, incorporating the forum discussions.


@ 2015-11-04 2:01 PM (#19793 - in reply to #19791) (#19793) Top

Administrator



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Administrator posted @ 2015-11-04 2:01 PM

Rohan Rao - 2015-11-04 7:54 AM

chaotic_iak - 2015-11-04 5:57 AM

Loop Snake: Is the loop necessarily unique? May the loop go through black cells (the given ones, not the snake)?

The loop is not necessarily unique. The loop CANNOT go through given black cells.

However, for this contest, the loop WILL BE unique in all the puzzles, and this has been added to the instructions.
@ 2015-11-06 11:34 AM (#19830 - in reply to #19747) (#19830) Top

ashaash11ash



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ashaash11ash posted @ 2015-11-06 11:34 AM

Link puzzle Example



(link puzzle.png)



Attachments
----------------
Attachments link puzzle.png (30KB - 7 downloads)
@ 2015-11-06 8:05 PM (#19835 - in reply to #19830) (#19835) Top

Administrator



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Administrator posted @ 2015-11-06 8:05 PM

Test start delayed by six hours

The test will start at 5.30 AM IST on November 07.

@ 2015-11-06 10:48 PM (#19837 - in reply to #19747) (#19837) Top

Administrator



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Administrator posted @ 2015-11-06 10:48 PM

Explaining the answer key of Toroidal

In Toroidal, you need to continue counting when the snake wraps around. For example, the accepted answer keys for all the columns will be : 22205060 OR 33316071



@ 2015-11-06 11:17 PM (#19838 - in reply to #19830) (#19838) Top

rob



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rob posted @ 2015-11-06 11:17 PM

Thanks for the "Linked Snake" example, it does a very good job pointing out that clues don't affect the other quadrants, I made errors there quite a few times.
@ 2015-11-07 4:49 AM (#19840 - in reply to #19838) (#19840) Top

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Administrator posted @ 2015-11-07 4:49 AM

Further delay

The test is further delayed. Contest start time will be announced soon.

@ 2015-11-07 12:37 PM (#19845 - in reply to #19840) (#19845) Top

Administrator



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Administrator posted @ 2015-11-07 12:37 PM

Contest has started

The test started at 1300 hrs IST on November 7th.

@ 2015-11-07 8:43 PM (#19853 - in reply to #19747) (#19853) Top

achan1058



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achan1058 posted @ 2015-11-07 8:43 PM

Is the solution to #9 on the contest unique? Correct me if I am wrong, but it seems that the top right corner can be done in two ways.
@ 2015-11-07 8:53 PM (#19854 - in reply to #19853) (#19854) Top

rakesh_rai




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rakesh_rai posted @ 2015-11-07 8:53 PM

achan1058 - 2015-11-07 8:43 PM

Is the solution to #9 on the contest unique? Correct me if I am wrong, but it seems that the top right corner can be done in two ways.


It is unique. Given black cells are NOT part of the snake.
@ 2015-11-07 9:05 PM (#19855 - in reply to #19854) (#19855) Top

prasanna16391



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prasanna16391 posted @ 2015-11-07 9:05 PM

rakesh_rai - 2015-11-07 8:53 PM

achan1058 - 2015-11-07 8:43 PM

Is the solution to #9 on the contest unique? Correct me if I am wrong, but it seems that the top right corner can be done in two ways.


It is unique. Given black cells are NOT part of the snake.


Maybe you can show us a solution which doesn't match the answer key? I cannot see an alternate solution.
@ 2015-11-07 9:14 PM (#19856 - in reply to #19747) (#19856) Top

achan1058



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achan1058 posted @ 2015-11-07 9:14 PM

Ah, I see. It was not unique in v1 of the booklet. Luckily, the system took my answer anyways.
@ 2015-11-07 11:07 PM (#19861 - in reply to #19747) (#19861) Top

rob



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rob posted @ 2015-11-07 11:07 PM

Whew, what a rush! Great fun, thank you!
@ 2015-11-07 11:43 PM (#19862 - in reply to #19747) (#19862) Top

swaroop2011




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swaroop2011 posted @ 2015-11-07 11:43 PM

Nice set of puzzles. Fun test. I felt as this test anyway doesn't count for ratings, I would have preferred bit more time (90 min test). I was able to solve all puzzles but may be slow, but i continued solving after the time is over and I realized few of the high pointers later were very easy in comparison to few other low pointers. But anyway completed all puzzles. May be took 30-40 min more considering I took 20 min to do Coded Snake big pointer (was doing lot of mistakes due to some un-necessary assumptions).
Thanks ashish for this set.
@ 2015-11-07 11:58 PM (#19863 - in reply to #19862) (#19863) Top

rob



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rob posted @ 2015-11-07 11:58 PM

swaroop2011 - 2015-11-07 11:43 PM
I felt as this test anyway doesn't count for ratings, I would have preferred bit more time (90 min test).


Oh it doesn't? That's a pity, why not?
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