三个红色和两个黑色tvb now,tvbnow,bttvb& `- c: D9 x* [ Y$ q: O6 P: o
' |9 X. w H6 ]9 ?7 r1 j0 F最后那个说我不知道我戴什么颜色帽子.
, e2 \" J5 X0 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& y6 _6 _ }; ^1 P0 h9 K; Q
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中间那个说我也不知道我戴什么颜色帽子.
4 i$ f! q' f' K3 t' C2 o( T- 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 g, x+ ], V; w" r# S7 N% y9 q- L
# e( _: N. c. E2 m' N! ~TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。但是第一个说我知道我戴什么颜色帽子.# L, {; n! B& _
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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