0a9b0a7384
Fix incorrect uses of ctype.h (passing it uncast chars, or other
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things potentially not in the range 0..255).
[originally from svn r8922]
2010-04-17 13:27:15 +00:00
6b650f894c
Patch from James H to fix a bug in which ambiguous puzzles would
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occasionally be generated, e.g. by 8x8de#417341658689473 .
[originally from svn r8845]
2010-01-17 01:05:55 +00:00
854f4b2386
Don't use payload strings directly as the format for printf.
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[originally from svn r8839]
2010-01-13 19:25:57 +00:00
deb5e1e5b4
Couple of small changes to Singles from James H which missed my main
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commit: tweak the grid generation a bit, and fix the use of the
Solve function on a grid containing errors.
[originally from svn r8835]
2010-01-12 23:32:23 +00:00
58e0d0bc2d
New puzzle from James Harvey: 'Singles', an implementation of
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Hitori. One infrastructure change in the process: latin.c has
acquired a utility function to generate a latin rectangle rather
than a full square.
[originally from svn r8828]
2010-01-11 21:21:07 +00:00
