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April Contest — 5th - 13th April 2013
   LMI Tests -> Annual Competitions61 posts • Page 1 of 3 • 1 2 3
Administrator
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 1:30 AM (#10531 - in reply to #10427) (#10531) Top


2000100050020
Location: India

April Contest has started


Please note
• This thread will NOT be made restricted while the contest is running.
• You can ask questions about puzzles, but do not post solutions or solving methods.
• Results for this test will not be considered in monthly ratings.
• Score page is not available (at least for now).

Nehsb
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 2:04 AM (#10532 - in reply to #10427) (#10532) Top




Posts: 5

Location: United States
For the first puzzle (Heavy Sky), are the clouds not allowed to touch at all? Or are they allowed to touch diagonally, or is there no restriction on whether they can touch at all?
Para
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 3:48 AM (#10533 - in reply to #10532) (#10533) Top




Posts: 315
100100100
Location: The Netherlands
Nehsb - 2013-04-05 2:04 AM

For the first puzzle (Heavy Sky), are the clouds not allowed to touch at all? Or are they allowed to touch diagonally, or is there no restriction on whether they can touch at all?


Generally in this type, they are not allowed to touch by a side or corner.
Administrator
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 12:43 PM (#10535 - in reply to #10533) (#10535) Top


2000100050020
Location: India
Para - 2013-04-05 3:48 AM

Nehsb - 2013-04-05 2:04 AM

For the first puzzle (Heavy Sky), are the clouds not allowed to touch at all? Or are they allowed to touch diagonally, or is there no restriction on whether they can touch at all?


Generally in this type, they are not allowed to touch by a side or corner.
Confirmation from Riad : Para is correct. Clouds are not allowed touch each other, even at a point.
rodders
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 3:18 PM (#10537 - in reply to #10427) (#10537) Top




Posts: 4

Location: United Kingdom
For Lettered Arrows the answer format on the site requests the values of letters C and H, but in the puzzle booklet it states H and Q. Just wanted to check that C and H is correct?
Administrator
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 3:25 PM (#10538 - in reply to #10537) (#10538) Top


2000100050020
Location: India
rodders - 2013-04-05 3:18 PM

For Lettered Arrows the answer format on the site requests the values of letters C and H, but in the puzzle booklet it states H and Q. Just wanted to check that C and H is correct?
It should be H and Q. Submission page updated. Please re-enter your answer, accordingly.
Administrator
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 4:36 PM (#10539 - in reply to #10538) (#10539) Top


2000100050020
Location: India
[Potential] Score page is now available - link : http://logicmastersindia.com/2013/04Contest/score.asp
Please note that the correctness of submission is not checked.
chaotic_iak
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 6:55 PM (#10540 - in reply to #10539) (#10540) Top



Typed Logic Author

Posts: 241
1001002020
Location: Indonesia
In Sudoku Optimizer, can we have zero solution for the Sudoku? In other words, can K be equal to 0?
Riad Khanmagomedov
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 7:38 PM (#10541 - in reply to #10540) (#10541) Top


Moscow Puzzle Cup 2016 Author

Posts: 234
10010020
Location: Russia
chaotic_iak - 2013-04-05 6:55 PM

In Sudoku Optimizer, can we have zero solution for the Sudoku? In other words, can K be equal to 0?

No, K > 0.
forcolin
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 8:11 PM (#10542 - in reply to #10427) (#10542) Top





Posts: 172
100202020
Location: ITALY
in n.6 magitori. can cells with letters be blackened?
in n. 8 am i correct assuming that a belt is a snake that forms a closed loop?
term
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 8:19 PM (#10543 - in reply to #10427) (#10543) Top




Posts: 8

Location: Greece
Star Belt rules are giving me a spot of trouble:
a) Is the belt an open path or a loop?
b) What does "inside the belt mean?" Is it on the belt, in the enclosed space, or the union of the above?
Riad Khanmagomedov
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 9:02 PM (#10544 - in reply to #10542) (#10544) Top


Moscow Puzzle Cup 2016 Author

Posts: 234
10010020
Location: Russia
forcolin - 2013-04-05 8:11 PM

in n.6 magitori. can cells with letters be blackened?
in n. 8 am i correct assuming that a belt is a snake that forms a closed loop?

Hi Stefano,

6. About this author silent.
8. Yes, you are correct.
Riad Khanmagomedov
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 9:06 PM (#10545 - in reply to #10543) (#10545) Top


Moscow Puzzle Cup 2016 Author

Posts: 234
10010020
Location: Russia
term - 2013-04-05 8:19 PM

Star Belt rules are giving me a spot of trouble:
a) Is the belt an open path or a loop?
b) What does "inside the belt mean?" Is it on the belt, in the enclosed space, or the union of the above?

Inside a closed loop-"snake". Not on the snake.

Edited by Riad Khanmagomedov 2013-04-05 9:18 PM
witty
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 9:07 PM (#10546 - in reply to #10427) (#10546) Top




Posts: 16

Location: India
In Heavy Sky, what does 'both size greater than 1' mean?
Does it mean that length and width both should be > 1, or the area should be > 1?
Riad Khanmagomedov
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 9:20 PM (#10547 - in reply to #10546) (#10547) Top


Moscow Puzzle Cup 2016 Author

Posts: 234
10010020
Location: Russia
witty - 2013-04-05 9:07 PM

In Heavy Sky, what does 'both size greater than 1' mean?
Does it mean that length and width both should be > 1, or the area should be > 1?

The length and width both should be > 1.
Riad Khanmagomedov
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 10:36 PM (#10549 - in reply to #10543) (#10549) Top


Moscow Puzzle Cup 2016 Author

Posts: 234
10010020
Location: Russia
term - 2013-04-05 8:19 PM

Star Belt rules are giving me a spot of trouble:
a) Is the belt an open path or a loop?
b) What does "inside the belt mean?" Is it on the belt, in the enclosed space, or the union of the above?

No stars on the belt.
Nehsb
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-05 10:51 PM (#10550 - in reply to #10427) (#10550) Top




Posts: 5

Location: United States
For Visibility, the puzzle booklet claims it has a point value of 9, but the online submission has it listed as having a point value of 7. Which is correct?
witty
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-06 12:46 PM (#10554 - in reply to #10427) (#10554) Top




Posts: 16

Location: India
For Digital Ornament example, number on the left says 7, but the sum of the numbers in the first two rows is 5 + 1 +2 = 8. Is it because, 1 doesn't lie on the horizontal line dividing row 1 & 2?
FoxFireX
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-06 9:52 PM (#10558 - in reply to #10427) (#10558) Top





Posts: 35
20
Location: United States
For Visibility, the answer key shows the "1 or 2 digits" warning when you have two digits entered. Entering a single digit causes the warning to disappear. (Still lets you submit, regardless.)
Administrator
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-06 10:02 PM (#10559 - in reply to #10558) (#10559) Top


2000100050020
Location: India
FoxFireX - 2013-04-06 9:52 PM

For Visibility, the answer key shows the "1 or 2 digits" warning when you have two digits entered. Entering a single digit causes the warning to disappear. (Still lets you submit, regardless.)
Nehsb - 2013-04-05 10:51 PM

For Visibility, the puzzle booklet claims it has a point value of 9, but the online submission has it listed as having a point value of 7. Which is correct?
Fixed.
kishy72
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-06 11:12 PM (#10560 - in reply to #10427) (#10560) Top


SM 2020 (Math) Author

Posts: 417
100100100100
Location: India
In Borderless minesweeper there are 4 ways by which a 13 * 13 area can be formed .Which orientation needs to be considered? Also in the example puzzle of the same there is one unaccounted mine which is not part of any clue.How did it come into the picture?
Para
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-07 5:58 AM (#10561 - in reply to #10560) (#10561) Top




Posts: 315
100100100
Location: The Netherlands
kishy72 - 2013-04-06 11:12 PM

In Borderless minesweeper there are 4 ways by which a 13 * 13 area can be formed .Which orientation needs to be considered? Also in the example puzzle of the same there is one unaccounted mine which is not part of any clue.How did it come into the picture?


Part of the puzzle is to figure out how it has to go.
The total of mines is given. It's the only place the 4th mine can go.
kishy72
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-11 6:24 AM (#10590 - in reply to #10427) (#10590) Top


SM 2020 (Math) Author

Posts: 417
100100100100
Location: India
In simple loop what does Lengths of two neighboring segments must differ by exactly 1 imply?What are neighbouring segments .Can someone explain how this happens in the example puzzle of the same?For persons who might be misguided in their solve by my earlier comment of 4 orientations ,I (might be) wrong on that . :-p
FoxFireX
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-11 6:24 AM (#10591 - in reply to #10427) (#10591) Top





Posts: 35
20
Location: United States
Couple of questions on the optimizers.

For Domino Castle, the answer page notes that "some rows may not be used". Does that mean that if we build the castle into, say, a 12x12 grid, the empty rows/columns don't count against us as the minimum row/column value?

For Tetrasudoku, it's not explicitly stated, but I assume I know the answer: Must the sudoku be solvable at all? That is, is it acceptable to create a puzzle which has no solution, making the value of K=0? (I can't imagine that's okay, but figured I'd bring up the possibility anyway.)
FoxFireX
Subject: Re: April Contest — 5th - 13th April 2013 @ 2013-04-11 6:27 AM (#10592 - in reply to #10590) (#10592) Top





Posts: 35
20
Location: United States
kishy72 - 2013-04-10 7:24 PM

In simple loop what does Lengths of two neighboring segments must differ by exactly 1 imply?What are neighbouring segments .Can someone explain how this happens in the example puzzle of the same?For persons who might be misguided in their solve by my earlier comment of 4 orientations ,I (might be) wrong on that . :-p


My reading of it is, you're drawing a single loop that passes through each dot. If you count the length of the line from dot to dot, then that length must go up or down by one from one segment to another as you travel the loop. In the example, if we start with the segment in the upper left of the grid and go clockwise, we start with a segment that's 2 units long. The next is 3 units long, then 2, 1, 2, 1, 2, 1, 2, 3, 2, 3, 2, 3, 4, 3, and back to the original 2 unit segment.
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