三个红色和两个黑色公仔箱論壇2 J: g: f* E5 q& x6 D
" r/ n7 [) N2 }1 u公仔箱論壇最后那个说我不知道我戴什么颜色帽子.9 O6 A0 z& l, T5 _
- 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.
u: t- T) e* \3 ctvb now,tvbnow,bttvb a3 y i v2 ~, U" _
中间那个说我也不知道我戴什么颜色帽子.
8 @' E- Z2 h8 f m9 j8 r6 J- 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.& Q1 M/ m0 u% s% U
公仔箱論壇3 _( e$ S; \1 ^% F% y- m
但是第一个说我知道我戴什么颜色帽子.tvb now,tvbnow,bttvb* z; P5 P, L1 _4 P6 t2 Q& P3 \
- #1 must be wearing RED |