三个红色和两个黑色
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最后那个说我不知道我戴什么颜色帽子.
% ]# K2 J3 C: U6 u6 k1 Stvb now,tvbnow,bttvb- the front #1 , #2 must not be black/black. Otherwise, #3 will know he is red. #1/#2 must be red/red or red/black or black/red.tvb now,tvbnow,bttvb5 T5 E# D# G2 O5 b% }
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中间那个说我也不知道我戴什么颜色帽子.
# M2 q$ m5 E6 ~: o$ A- for #2, if he see #1 wearing black, he can be sure he is red. since #2 cannot be sure, then #1 must NOT be wearing black.5.39.217.77:8898* R/ a. {% }: {/ o5 T8 n
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但是第一个说我知道我戴什么颜色帽子.
; x% C9 B2 k+ E. O. k+ }7 d公仔箱論壇- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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