三个红色和两个黑色
% \8 |% g. x' X% p$ ?/ B1 B, s2 v" x, TTVBNOW 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。! q* {% p- @8 f- ]
最后那个说我不知道我戴什么颜色帽子.5.39.217.77:88988 @' v* \% L+ v( d, P- x
- 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.
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3 S* d4 x! C2 b: S中间那个说我也不知道我戴什么颜色帽子.公仔箱論壇3 E0 t9 K4 V+ R! h
- 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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但是第一个说我知道我戴什么颜色帽子.
# A6 {4 U' N/ ] H. z1 s公仔箱論壇- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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