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Posts: 22
Location: India | I have been participating in your sudoku contests since couple of years and love them. Actually they are the highlights of every month. I have a request please. Could you have the sudoku Classic and Variants contest every month in addition to whatever puzzle contests are on ? The puzzles are quite beyond my ken and almost all of them have to be solved offline which is a bit of a challenge for me. Could you please bring back the monthly online sudoku contests ? |
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PR 2020 (Shading and Loops) Author
Posts: 668
 
Location: India | A doubt in 10th Puzzle Optimizer.
It says maximize the are of rectangle. So does that mean if someone has area 26*26 and other has 25*26 but later one has more empty squares.
Does still 26*26 best ? |
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Posts: 31
Location: United Kingdom | Astronomer: Must the astronomer be able to see the whole of 16 planets (as in the example), or just some part of them? |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1788
Location: India | PuzzleScot - 2014-04-07 2:09 AM
Astronomer: Must the astronomer be able to see the whole of 16 planets (as in the example), or just some part of them?
Some part is fine. The invisible ones must be fully invisible. |
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Posts: 268
Location: India | vijaya_rajan - 2014-04-06 6:14 PM
I have been participating in your sudoku contests since couple of years and love them. Actually they are the highlights of every month. I have a request please. Could you have the sudoku Classic and Variants contest every month in addition to whatever puzzle contests are on ? The puzzles are quite beyond my ken and almost all of them have to be solved offline which is a bit of a challenge for me. Could you please bring back the monthly online sudoku contests ?
Hi. We will definitely continue with the Beginners Contest in Sudoku and Puzzles in the forthcoming months. In the meantime, you can participate in the Monthly contests so that you will be able to know the different types and difficulty levels in World Championships. Also, you can participate in April Contest by Riad, which is currently running. This has few Sudoku variants, which will definitely interest you. |
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Typed Logic Author
Posts: 241
Location: Indonesia | In the quadrant with My Line, all cells (except the black ones if it happens to be the bottom-right) should be passed right? As in, there's no extra "black square" or anything to the quadrant with My Line? |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1788
Location: India | chaotic_iak - 2014-04-07 1:33 PM
In the quadrant with My Line, all cells (except the black ones if it happens to be the bottom-right) should be passed right? As in, there's no extra "black square" or anything to the quadrant with My Line?
Yes. No extra black square. All white cells are passed. |
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Posts: 30
Location: France | Hi
In the My Line quadrant, does a segment of turn could leave the quadrant ? For example, can the 2 on the last row have a segment of his turn crossing the quadrant border ?
Does crossing the border cuts the length of a segment ? For example, with the 1 near the median horizontal border, could it cross this border and still count as one segment ? (as there is only one segment IN the quadrant)
Nice puzzles anyway ! |
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Moscow Puzzle Cup 2016 Author
Posts: 234
Location: Russia | Grizix - 2014-04-07 7:12 PM
Hi
In the My Line quadrant, does a segment of turn could leave the quadrant ? For example, can the 2 on the last row have a segment of his turn crossing the quadrant border ?
Does crossing the border cuts the length of a segment ? For example, with the 1 near the median horizontal border, could it cross this border and still count as one segment ? (as there is only one segment IN the quadrant)
Nice puzzles anyway !
Yes, a segment of turns can leave the quadrant. In the example I specifically gave one such angle (in cell with "?"). |
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Posts: 35
Location: India | It is very difficult to make out the different regions in Sudoku with Stars. Please make the borders more prominent in future. |
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Posts: 187
Location: New Zealand | swaroop2011 - 2014-04-07 2:35 AM
A doubt in 10th Puzzle Optimizer.
It says maximize the are of rectangle. So does that mean if someone has area 26*26 and other has 25*26 but later one has more empty squares.
Does still 26*26 best ?
Any 26x26 solution is better than any 25x26 solution.
Only if two solutions have the same area, then the solution with more white squares is better.
If two solutions have the same area and the same number of white squares then they will get the same score.
PS: I notice the first two answer fields for puzzle 10 are validating that M and N are between 1 and 19 only, but if you have M or N >19 then ignore the warning and submit anyway. The earlier announcement in this forum says that the warnings are not always 100% accurate. |
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Posts: 1
Location: Turkey | In Diayajilin "cannot be adjacent" means can't touch even diagonally or cant't touch side to side, which one? |
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Posts: 187
Location: New Zealand | anti-inequality - 2014-04-08 11:49 AM
In Diayajilin "cannot be adjacent" means can't touch even diagonally or cant't touch side to side, which one?
In Diayajilin the black cells can touch diagonally, but not orthogonally (side-to-side).
This is the same as normal Yajilin rules, the only difference is how the number clues behave. |
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Location: India | kiwijam - 2014-04-08 3:24 AM
PS: I notice the first two answer fields for puzzle 10 are validating that M and N are between 1 and 19 only, but if you have M or N >19 then ignore the warning and submit anyway. The earlier announcement in this forum says that the warnings are not always 100% accurate. Fixed this warning. It shouldn't show warning with numbers <= 26 now. |
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PR 2020 (Shading and Loops) Author
Posts: 668
Location: India | just a query
for answer key of Trid and sudoku on cube we have to enter 9,9,9,9.. or 99999 without commas ? |
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Posts: 114
Location: India | In Trid can the numbers be repeated in the diagonals. That is the bold diagonals of rectangle/sides of triangles. |
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Location: India | swaroop2011 - 2014-04-08 9:36 PM
just a query
for answer key of Trid and sudoku on cube we have to enter 9,9,9,9.. or 99999 without commas ? Both formats are accepted (in this contest and in all other contests at LMI) |
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Posts: 67
Location: France | Small question about Battleships: When you say "Maximum length of horizontal / vertical line segments", do you mean "CONSECUTIVE horizontal / vertical line segments"? Otherwise, in the example, the top right corner '2' is actually 2 1/2 long. |
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Posts: 20
Location: United States | Riad Khanmagomedov - 2014-04-07 9:30 AM
Grizix - 2014-04-07 7:12 PM
Hi
In the My Line quadrant, does a segment of turn could leave the quadrant ? For example, can the 2 on the last row have a segment of his turn crossing the quadrant border ?
Does crossing the border cuts the length of a segment ? For example, with the 1 near the median horizontal border, could it cross this border and still count as one segment ? (as there is only one segment IN the quadrant)
Nice puzzles anyway !
Yes, a segment of turns can leave the quadrant. In the example I specifically gave one such angle (in cell with "?" ).
Similar question for Battleships With Line: can a row or column have a longer segment which is partially outside the quadrant, if the portion within the quadrant is below the given maximal length? |
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PR 2020 (Shading and Loops) Author
Posts: 668
Location: India | Small question about Battleships: When you say "Maximum length of horizontal / vertical line segments", do you mean "CONSECUTIVE horizontal / vertical line segments"? Otherwise, in the example, the top right corner '2' is actually 2 1/2 long.
yes you can say it is consecutive segments
Edited by swaroop2011 2014-04-09 3:54 AM
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Posts: 187
Location: New Zealand | devarajand - 2014-04-09 5:18 AM
In Trid can the numbers be repeated in the diagonals. That is the bold diagonals of rectangle/sides of triangles.
There are 6 small Trid puzzles, each has bold borders that are 7 circles long.
Numbers can NOT be repeated along those 7-circle borders, or any other diagonal within the same small triangle.
(it's the same idea as the Sudoku On Cube puzzle, there are 6 little puzzles with individual solutions, but they have identical digits along their common borders) |
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Moscow Puzzle Cup 2016 Author
Posts: 234
Location: Russia | spelvin - 2014-04-09 1:29 AM
Riad Khanmagomedov - 2014-04-07 9:30 AM
Grizix - 2014-04-07 7:12 PM
Hi
In the My Line quadrant, does a segment of turn could leave the quadrant ? For example, can the 2 on the last row have a segment of his turn crossing the quadrant border ?
Does crossing the border cuts the length of a segment ? For example, with the 1 near the median horizontal border, could it cross this border and still count as one segment ? (as there is only one segment IN the quadrant)
Nice puzzles anyway !
Yes, a segment of turns can leave the quadrant. In the example I specifically gave one such angle (in cell with "?" ).
Similar question for Battleships With Line: can a row or column have a longer segment which is partially outside the quadrant, if the portion within the quadrant is below the given maximal length?
No, cannot. |
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Posts: 67
Location: France | OK, thanks. Since the beginning, I had misinterpreted the statement of 'Battleship with Line'. When I finally properly translated, it became (almost) easy ... |
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Posts: 67
Location: France | Hi. Another question: For optimization problems, I guess you can without penalty propose a first solution, then return it to improve, right? |
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Location: India | Puzlifouk - 2014-04-09 10:33 PM
Hi. Another question: For optimization problems, I guess you can without penalty propose a first solution, then return it to improve, right?
Yes. There is no penalty.
Your final submission for each puzzle will be considered for scoring. |
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Riad Khanmagomedov's April Contest — 4th - 12th April 2014
