三个红色和两个黑色
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最后那个说我不知道我戴什么颜色帽子.
: w b- d8 D& J- 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.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。$ V0 a9 \$ { B; M2 ^2 z z
1 o6 W$ w3 e. n4 a7 c5.39.217.77:8898中间那个说我也不知道我戴什么颜色帽子.
. d( d; `! t$ V: D0 Q- 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.5.39.217.77:8898. N. F$ A% n' S3 m: ]
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但是第一个说我知道我戴什么颜色帽子.
, @% Q5 c% u8 Y! K( u- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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