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level 556 unsolveable?
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camel



Joined: 26 Dec 2007
Posts: 50
Location: Austria

Post level 556 unsolveable? Reply with quote
hi everyone,

are the crossflip levels the same for everyone? it seems as if my level 556 is not solveable or as if something rather weird going on. i tried with and without keeping blocker tiles in the 2 matrices as zero rows. i tried with 2 of my own solvers and also via a well known public Z(2) library. all the previous 555 levels are no problem ... i can solve them within seconds each.

will look into it ... but as the library comes up with a solution i guess the matrix is solveable and the problem would be on my side.

camel
Fri Oct 26, 2012 7:49 pm View user's profile Send private message
camel



Joined: 26 Dec 2007
Posts: 50
Location: Austria

Post Reply with quote
first i thought it could have to do with the square of the sides going beyond 256^2 but as i leave out the blocker tiles in my last attempts the a-matrix does not reach 256^2 by 256^2 yet.

will investigate Smile
Fri Oct 26, 2012 7:53 pm View user's profile Send private message
camel



Joined: 26 Dec 2007
Posts: 50
Location: Austria

Post Reply with quote
ah ok ... this really could be the problem ... matrix goes over 65536^2 from level 555 to 556 even without blockers ...

level=555 / board_width=256 / board_height=256
#of blockers=6
reading 65530 x 65530 matrix with at most 655300000 non-zero entries (density at most: 0.15260)
reading 65530 x 1 matrix with at most 65530 non-zero entries (density at most: 1.00000)
Starttime: 1351256590 Endtime: 1351256708

level=556 / board_width=257 / board_height=257
#of blockers=215
reading 65834 x 65834 matrix with at most 658340000 non-zero entries (density at most: 0.15190)
reading 65834 x 1 matrix with at most 65834 non-zero entries (density at most: 1.00000)
Starttime: 1351255976 Endtime: 1351256110
Fri Oct 26, 2012 8:08 pm View user's profile Send private message
camel



Joined: 26 Dec 2007
Posts: 50
Location: Austria

Post Reply with quote
turned out that the well known library really had a bug. so hacker.org even helped to make the world of math libraries a little better Wink))
Tue Oct 30, 2012 3:21 pm View user's profile Send private message
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