Slight solver speedup by tracking more carefully which block merges
authorsimon <simon@cda61777-01e9-0310-a592-d414129be87e>
Mon, 7 May 2007 17:51:37 +0000 (17:51 +0000)
committersimon <simon@cda61777-01e9-0310-a592-d414129be87e>
Mon, 7 May 2007 17:51:37 +0000 (17:51 +0000)
commit39bdcaad9141c6fdb49d10d2f2ed2aae4d7acd18
tree3aad7edcccd3ddd5cbaff17cedbb68b59874d4d6
parentde344430a27759d3ca9a9ca695ef171a0b24bfcb
Slight solver speedup by tracking more carefully which block merges
we've already tried, and not trying them again.

git-svn-id: svn://svn.tartarus.org/sgt/puzzles@7553 cda61777-01e9-0310-a592-d414129be87e
unfinished/slide.c