三个红色和两个黑色
: {8 D* j5 l! I4 g+ F. Y5.39.217.77:8898
# H5 r; M) ]; z* t/ o公仔箱論壇最后那个说我不知道我戴什么颜色帽子.
. s9 a; O: R7 A8 }& t) b( Q# r6 O0 |- 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.
' R6 m) |' \* [0 W! Z: ?: {
5 Q# Y' B- N2 h/ h5 p' m" z* m/ S4 wtvb now,tvbnow,bttvb中间那个说我也不知道我戴什么颜色帽子./ R$ Z+ ~9 s. M+ o* P. 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.+ a% X7 B' i/ M! v9 F& F8 M3 N
, L9 g7 h; T O# t; c+ l. Q7 r
但是第一个说我知道我戴什么颜色帽子.tvb now,tvbnow,bttvb: ^, M2 C0 f: z. V: G
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
| 
