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这道题太有意思了,如果你觉得自己没有错,我的数据可能99%发现你错误

Posted by tangguojun at 2007-05-22 11:21:45 on Problem 2361
17
OOO
OXX
O.X

XXX
XOO
XOO

XOX
OXO
XOX

XXX
OOO
...

XXX
OOO
O.X

XXX
XXO
OOO

XXX
OXO
OO.

XXX
OXO
O.O	

XXX
O.O
O..

...  
...  
...  

X..
...
...

X.O
...
...

X.O
...
..X

X.O
.O.
..X

X.O
.O.
X.X

X.O
OO.
X.X

X.O
OO.
XXX


答案是

no
yes
yes
no
no
no
no
no
no
yes
yes
yes
yes
yes
yes
yes
yes

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