Calcudoku puzzle forumhttp://www.calcudoku.org/forum/ Calcudoku with diagonalshttp://www.calcudoku.org/forum/viewtopic.php?f=16&t=548 Page 1 of 2

 Author: kozibrada  [ Wed Feb 26, 2014 5:29 am ] Post subject: Calcudoku with diagonals Hi, solvers, I was inspired one of speciality of sudoku – sudoku with diagonals. So I created such calcudoku. In both diagonals (gray lines) must appear each of numbers 1–7.Good solving…

 Author: mparisi  [ Wed Feb 26, 2014 6:02 pm ] Post subject: Re: Calcudoku with diagonals kozibrada wrote:Hi, solvers, I was inspired one of speciality of sudoku – sudoku with diagonals. So I created such calcudoku. In both diagonals (gray lines) must appear each of numbers 1–7.Nice puzzle! Thanks.

 Author: bram  [ Thu Feb 27, 2014 3:16 am ] Post subject: Re: Calcudoku with diagonals Groovy! With my beloved bitwise OR!

 Author: nicow  [ Thu Feb 27, 2014 10:53 am ] Post subject: Re: Calcudoku with diagonals Nice puzzle. Indeed just 1 solution.

 Author: clm  [ Sun Mar 02, 2014 12:55 am ] Post subject: Re: Calcudoku with diagonals Thanks for your effort, I have really enjoyed it. Very original puzzle, I also think that the solution is unique with the restriction imposed (the main diagonals). I like the symmetry of the diagram too (producing that particular set of numbers in the central H-shape cage).Considering that the solution is unique (even without the restriction), according to nicow (particularly myself I have not analyzed this) I would suggest that you "propose" it as user-defined puzzle (in the "Submit your own puzzles to the site") link.If you decide so, here is the code (if it is helpful for you):11,+,a1a2b110,+,c1d1e112,+,f1g1g25,|,b2c228,x,d2d37,|,e2f211,+,a3a4a54,-,b3b4b581,^,c3c4c5d4e3e4e50,-,f3f4f515,+,g3g4g56,x,d5d616,+,a6a7b77,|,b6c65,|,e6f69,+,f7g6g711,+,c7d7e7

 Author: sjs34  [ Sun Mar 02, 2014 3:11 am ] Post subject: Re: Calcudoku with diagonals I had a similar thought, knowing that if I were clever enough to construct such an excellent puzzle, I would have major difficulty with the code for submission. I then realized, though, that submissions are currently limited to addition, subtraction, multiplication and division. I hope Patrick will be able to change this when convenient.

 Author: nicow  [ Sun Mar 02, 2014 12:17 pm ] Post subject: Re: Calcudoku with diagonals This is the first 'solution' my solver found. See the multiple 7's in the diagonal. So I added to the (new) model the restriction for diagonals; that's quite easy.clm is right, this is not a good 'solution'.

 Author: clm  [ Sun Mar 02, 2014 2:44 pm ] Post subject: Re: Calcudoku with diagonals nicow wrote:...This is the first 'solution' my solver found. See the multiple 7's in the diagonal. So I added to the (new) model the restriction for diagonals; that's quite easy.For this first solution you found, it is a little confusing for me how can you get the result 81^ in the central H-shape cage, that is, in which sequence of the operation ^ .

 Author: pnm  [ Sun Mar 02, 2014 4:22 pm ] Post subject: Re: Calcudoku with diagonals sjs34 wrote:I then realized, though, that submissions are currently limited to addition, subtraction, multiplication and division. I hope Patrick will be able to change this when convenient.In practice there is no such restriction, I only wrote that to try and make the submission pagea bit more accessible.

 Author: pnm  [ Sun Mar 02, 2014 4:26 pm ] Post subject: Re: Calcudoku with diagonals clm wrote:For this first solution you found, it is a little confusing for me how can you get the result 81^ in the central H-shape cage, that is, in which sequence of the operation ^ .Yes, I don't see that either.Here's a solution, one of 152 found by my solver: 5 4 3 1 6 7 2 2 5 1 4 7 6 3 6 1 5 7 3 2 4 4 2 7 6 1 3 5 1 7 4 3 2 5 6 7 3 6 2 5 4 1 3 6 2 5 4 1 7 Still something not quite right though, because it can't find a solution with different numbers on both diagonals

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