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killer sudoku error checking
https://www.calcudoku.org/forum/viewtopic.php?f=18&t=305		 Page 1 of 1
Author:  sneaklyfox  [ Wed Aug 22, 2012 4:03 am ]
Post subject:  killer sudoku error checking
August 22nd, Difficult level killer sudoku:

Error in cage g4-g5-g6 (sum 10)... I put 1,2,7 and the "10" becomes red.
Error in cage h5-h6 (sum 7)... I put 3,4 and the "7" becomes red.

Just two examples. I heard someone else mentioned the 15 cage at the bottom left. Or maybe the whole thing is wrong. Curiously though, I tried 5 and 9 in the "7" cage (h5-h6) and that doesn't give the error of sum. I will just ignore the error checking bug and try to solve it anyway.

Edit: Another strange thing... top left cage in a1-b1-a2... all I have to do is put any number in a1 (no numbers in the other cells) and the "14" turns red.

Edit: I finished the puzzle but I guess it thinks I did it incorrectly. I'm pretty sure my solution works. I saved it anyway until it can be fixed and I can submit my solution...
Author:  picklepep  [ Wed Aug 22, 2012 7:43 am ]
Post subject:  Re: killer sudoku error checking
I don't like it when it's not a puzzle
Author:  pnm  [ Wed Aug 22, 2012 10:27 am ]
Post subject:  Re: killer sudoku error checking
sneaklyfox wrote:
August 22nd, Difficult level killer sudoku:

One of the strangest errors I've seen so far (!)

Can't quickly tell what's wrong, but will fix..

Edit: this should be fixed now.

Technical explanation:
It had to do with the merging of single-cell cages during the puzzle creation process.
By mistake, the merged cells still ended up in one part of the cage list, as "zero sized cages",
which caused the specification of the top left cage (which has index 0) to be overwritten...

Patrick
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