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Re:四个角坐标有可能判断错误

Posted by fish_ball at 2008-03-04 20:42:10 on Problem 1128
In Reply To:四个角坐标有可能判断错误 Posted by:xmuAres at 2007-02-05 17:07:50

题目说了不可能了，每个方框的每条边都会有残留至少一个字母。
我也是WA，不过我考虑得更多，给你几组我的数据：
9 8
...AAAA.
.DDDD.A.
.D.ADAA.
CDDDD...
C.C.....
CCC.BBBB
EEE.B..B
E.E.BBBB
EEE.....
9 8
...AAAA.
.DDDD.A.
.EEEEAA.
CEDDE...
CEC.E...
CEEEEBBB
....B..B
....BBBB
........
9 8
AAAAA...
A...A...
A...BBB.
A.CCCCB.
A.C.BCB.
AADDDDD.
EEECCCD.
E.EDDDD.
EEE.....
9 8
ZZZZZ...
Z...Z...
Z...BBB.
Z.RRRRB.
Z.R.BRB.
ZZDDDDD.
EEERRRD.
E.EDDDD.
EEE.....
9 8
...aaaa.
.DDDD.a.
.EEEEaa.
cEDDE...
cEc.E...
cEEEEBBB
....B..B
....BBBB
........

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