三个红色和两个黑色
$ B2 a# t' Y: V5.39.217.77:8898
1 W! f% u# Q0 a; X- b2 l; w# H+ d2 I最后那个说我不知道我戴什么颜色帽子.tvb now,tvbnow,bttvb; t, u* w$ ?' C
- 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.公仔箱論壇' P m: l6 J& I( o4 S d
: i# i$ w# a4 z8 S2 M9 Vtvb now,tvbnow,bttvb中间那个说我也不知道我戴什么颜色帽子.
) \; T& f& u2 f E( E. Q- 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.6 O- x9 P" D7 m
- U" a: q+ J8 X5 G: l, \! l公仔箱論壇但是第一个说我知道我戴什么颜色帽子.
% e% V$ C) K1 C) t- ?公仔箱論壇- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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