三个红色和两个黑色
, S7 B0 q: N$ a! Y" a i( x2 _0 |3 Ktvb now,tvbnow,bttvb# Q A! N- T1 }/ v( c# i
最后那个说我不知道我戴什么颜色帽子.
8 V$ c( I& n* x4 QTVBNOW 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。- 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.0 L2 c5 I3 _5 ^2 B9 a
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中间那个说我也不知道我戴什么颜色帽子.. y! j' U# a* X9 n) V
- 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.2 z! F/ G* v& z) s# z
5 J1 R; |6 S4 L- l. x) _1 m但是第一个说我知道我戴什么颜色帽子.
% s# Y6 T; Z. z0 V( \! R/ l2 Ftvb now,tvbnow,bttvb- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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