Riad's April Contest 2024 (13th - 21st April) Score Discuss
PR 2024 R4 - Word & Object Placement (26th Apr - 2nd May) has started Discuss
Riad Khanmagomedov's April Contest — 4th - 12th April 201498 posts • Page 3 of 4 • 1 2 3 4
@ 2014-04-08 10:19 PM (#14880 - in reply to #14877) (#14880) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2014-04-08 10:19 PM

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)
@ 2014-04-08 11:22 PM (#14881 - in reply to #14642) (#14881) Top

Puzlifouk



Posts: 67
202020
Country : France

Puzlifouk posted @ 2014-04-08 11:22 PM

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.
@ 2014-04-09 1:29 AM (#14882 - in reply to #14843) (#14882) Top

spelvin



Posts: 19

Country : United States

spelvin posted @ 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?
@ 2014-04-09 3:52 AM (#14884 - in reply to #14881) (#14884) Top

swaroop2011




Posts: 668
500100202020
Country : India

swaroop2011 posted @ 2014-04-09 3:52 AM

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
@ 2014-04-09 3:54 AM (#14885 - in reply to #14879) (#14885) Top

kiwijam



Posts: 187
10020202020
Country : New Zealand

kiwijam posted @ 2014-04-09 3:54 AM

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)
@ 2014-04-09 12:48 PM (#14886 - in reply to #14882) (#14886) Top

Riad Khanmagomedov



Posts: 234
10010020
Country : Russia

Riad Khanmagomedov posted @ 2014-04-09 12:48 PM

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.
@ 2014-04-09 10:26 PM (#14889 - in reply to #14884) (#14889) Top

Puzlifouk



Posts: 67
202020
Country : France

Puzlifouk posted @ 2014-04-09 10:26 PM

OK, thanks. Since the beginning, I had misinterpreted the statement of 'Battleship with Line'. When I finally properly translated, it became (almost) easy ...
@ 2014-04-09 10:33 PM (#14890 - in reply to #14642) (#14890) Top

Puzlifouk



Posts: 67
202020
Country : France

Puzlifouk posted @ 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?
@ 2014-04-09 10:45 PM (#14891 - in reply to #14890) (#14891) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2014-04-09 10:45 PM

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.
@ 2014-04-10 1:02 AM (#14892 - in reply to #14642) (#14892) Top

sduran



Posts: 7

Country : Turkey

sduran posted @ 2014-04-10 1:02 AM

according to diayajilin rules;

1-digit in a cell shows total number of black cells on its both diagonals
2-or shows total number of black cells on its any diagonals

for example;

digit 2 in a cell and there is 2 black cells on any of its diagonal and there is one black cell on its other diagonal. that is satisfied the rule?


@ 2014-04-10 2:49 AM (#14893 - in reply to #14892) (#14893) Top

kiwijam



Posts: 187
10020202020
Country : New Zealand

kiwijam posted @ 2014-04-10 2:49 AM

sduran - 2014-04-10 8:02 AM

according to diayajilin rules;

1-digit in a cell shows total number of black cells on its both diagonals
2-or shows total number of black cells on its any diagonals

for example;

digit 2 in a cell and there is 2 black cells on any of its diagonal and there is one black cell on its other diagonal. that is satisfied the rule?


In Diayajilin, if there is a digit "2" in a cell then this is the total of all black cells in both diagonals, added together.

i.e.
there is 1 black in NW-SE diagonal and 1 black in NE-SW diagonal
OR
there is 2 blacks in NW-SE diagonal and 0 blacks in NE-SW diagonal
OR
there is 0 blacks in NW-SE diagonal and 2 blacks in NE-SW diagonal

(but you can NOT have 2 blacks in NW-SE diagonal and 1 black in NE-SW diagonal)
@ 2014-04-10 6:21 AM (#14894 - in reply to #14642) (#14894) Top

devarajand



Posts: 114
100
Country : India

devarajand posted @ 2014-04-10 6:21 AM

In my line if there is a no 2 is it necessary to have the length of lines equal to 2 on both sides or on side is enough.
@ 2014-04-10 7:24 AM (#14896 - in reply to #14894) (#14896) Top

swaroop2011




Posts: 668
500100202020
Country : India

swaroop2011 posted @ 2014-04-10 7:24 AM

both sides its necessary

devarajand - 2014-04-10 6:21 AM

In my line if there is a no 2 is it necessary to have the length of lines equal to 2 on both sides or on side is enough.

@ 2014-04-10 10:24 AM (#14897 - in reply to #14642) (#14897) Top

Puzlifouk



Posts: 67
202020
Country : France

Puzlifouk posted @ 2014-04-10 10:24 AM

Hi.
For 'Roman OX', I thought it was possible to use 'X' AND 'O' inside the grid, but the submission page specifies to use only 'X' and '-' ?
@ 2014-04-10 11:32 AM (#14898 - in reply to #14897) (#14898) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2014-04-10 11:32 AM

Puzlifouk - 2014-04-10 10:24 AM

Hi.
For 'Roman OX', I thought it was possible to use 'X' AND 'O' inside the grid, but the submission page specifies to use only 'X' and '-' ?
Fixed. Your submission was already accepted nevertheless.
@ 2014-04-10 9:24 PM (#14900 - in reply to #14642) (#14900) Top

sduran



Posts: 7

Country : Turkey

sduran posted @ 2014-04-10 9:24 PM

For the puzzle 10;

I cannot figure out by equal dimension of figure and grid cells on the given example.
Could you explain pls.
@ 2014-04-11 2:44 AM (#14902 - in reply to #14900) (#14902) Top

kiwijam



Posts: 187
10020202020
Country : New Zealand

kiwijam posted @ 2014-04-11 2:44 AM

sduran - 2014-04-11 4:24 AM

For the puzzle 10;
I cannot figure out by equal dimension of figure and grid cells on the given example.
Could you explain pls.


It means that the shapes must cover grid cells exactly. e.g. You cannot place the 1x1 shape to cover half of one grid cell and half of another grid cell.
@ 2014-04-11 4:27 AM (#14903 - in reply to #14642) (#14903) Top

Grizix



Posts: 30
20
Country : France

Grizix posted @ 2014-04-11 4:27 AM

Another question, about Battleships with Line :
Does the maximum line length have to exist or is it just a maximum ?
In other words, for a row with a 2, do we need to have at least one line of length 2 or only 1 length lines is ok ?
@ 2014-04-11 4:42 AM (#14904 - in reply to #14903) (#14904) Top

greenhorn



Posts: 164
100202020
Country : Slovakia

greenhorn posted @ 2014-04-11 4:42 AM

Grizix - 2014-04-11 4:27 AM

Another question, about Battleships with Line :
Does the maximum line length have to exist or is it just a maximum ?
In other words, for a row with a 2, do we need to have at least one line of length 2 or only 1 length lines is ok ?


It is needed to have such a lenght.
@ 2014-04-11 7:41 PM (#14907 - in reply to #14642) (#14907) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2014-04-11 7:41 PM

Please check your submissions carefully before the contest ends

Because there is no manual override in this contest.


@ 2014-04-13 3:05 PM (#14913 - in reply to #14642) (#14913) Top

Puzlifouk



Posts: 67
202020
Country : France

Puzlifouk posted @ 2014-04-13 3:05 PM

Hello,
I really enjoyed this contest, with dense and varied problems. As a beginner, I always lack of time to look for problems in the usual competitions. This time, I only missed a little time to improve my optimizations ...
By the way, when can we expect to have the final results?
@ 2014-04-13 3:38 PM (#14914 - in reply to #14913) (#14914) Top

debmohanty




1000500100100100202020
Country : India

debmohanty posted @ 2014-04-13 3:38 PM

Puzlifouk - 2014-04-13 3:05 PM

Hello,
I really enjoyed this contest, with dense and varied problems. As a beginner, I always lack of time to look for problems in the usual competitions. This time, I only missed a little time to improve my optimizations ...
By the way, when can we expect to have the final results?


We still are working on the optimizers (to check correctness of submission). Riad is going to solve all of them soon.
@ 2014-04-13 3:43 PM (#14915 - in reply to #14907) (#14915) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2014-04-13 3:43 PM

Optimizers Submissions

Like previous year, we have created a pdf with submissions to all optimizer puzzles.

Click here to download.

Please note that Riad has not checked the correctness of the submissions yet. (So you probably can help him if you point out any mistakes in the pdf )

@ 2014-04-13 4:15 PM (#14916 - in reply to #14642) (#14916) Top

chaotic_iak




Posts: 241
1001002020
Country : Indonesia

chaotic_iak posted @ 2014-04-13 4:15 PM

I like how there are essentially only six distinct submissions among those in Roman OX with score less than 200.

The 26x13 was amazing. I tried something similar but couldn't get 6 strands to run zigzagging like that because I ran out of minoes. But I tried it on 26x12; I should have tried 26x13 indeed. My first submission was a 26x8 with a T-tetromino at D1-E1-F1-E2, a monomino at A26, and a L-trimino at G26-H25-H26; something like the 26x8 on the booklet but with less minoes used. And obviously it can be extended at will, so a good thing there's that 26x26 limitation, too. (My submission is different, improved from the above.)

Meanwhile, time to guess the author!
@ 2014-04-13 6:28 PM (#14917 - in reply to #14642) (#14917) Top

Semax



Posts: 10

Country : Germany

Semax posted @ 2014-04-13 6:28 PM

Mine is the second one, 13x23. I could not place the last piece to make the rectangle longer, but even if I could have, the 13x26 would still be so much better. I just didn't think of putting the pieces directly at the left border...
Riad Khanmagomedov's April Contest — 4th - 12th April 201498 posts • Page 3 of 4 • 1 2 3 4
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