三个红色和两个黑色
- x4 N3 b; x# \- u+ Hos.tvboxnow.com
6 s E" K5 x) p4 j w) W$ Gtvb now,tvbnow,bttvb最后那个说我不知道我戴什么颜色帽子.
) [' g- U q( o5 b1 Q1 f: w- K" _os.tvboxnow.com- 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.
/ i" C. @( ]4 M9 n4 E2 o2 rtvb now,tvbnow,bttvb' g/ Y0 }1 v& r# F0 e" l. Z$ E( G
中间那个说我也不知道我戴什么颜色帽子.' |5 ?3 w9 G X6 ~+ `4 d
- 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.tvb now,tvbnow,bttvb d9 O/ a0 C! S: J/ l8 J
4 W( U+ c' g7 D公仔箱論壇但是第一个说我知道我戴什么颜色帽子.公仔箱論壇) K/ `9 ?7 l" B- M2 E2 }
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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