三个红色和两个黑色6 n. @$ e) G6 g. c$ Z% X
% |/ ]- L! W: C" \5.39.217.77最后那个说我不知道我戴什么颜色帽子.公仔箱論壇9 X+ @% S' S0 O( Q1 h4 s; A
- 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,bttvb' a( P( u8 S% p9 c8 G b
* l/ i1 k* Y' {; Y3 ~8 ]" Otvb now,tvbnow,bttvb中间那个说我也不知道我戴什么颜色帽子.& k- N c* d7 `* l% {2 T3 I2 _
- 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.
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* m" r) f7 A2 T# ^; \+ _6 g5.39.217.77但是第一个说我知道我戴什么颜色帽子.
2 I% k# {/ C0 c0 Q- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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