三个红色和两个黑色
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7 ^# P) M, f$ S1 O+ P) \公仔箱論壇最后那个说我不知道我戴什么颜色帽子.
" `# M3 g7 B1 _' g# I- 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.os.tvboxnow.com7 h6 i, y1 z/ [5 a0 P# T
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。" F0 u$ {6 O: N( `1 M
中间那个说我也不知道我戴什么颜色帽子.
1 K5 R" i! T* n) ^ P; w1 B/ F2 }4 J- 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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$ ^. m6 q0 B5 H8 @8 x4 R/ Z# r" Ntvb now,tvbnow,bttvb但是第一个说我知道我戴什么颜色帽子.; \7 v l6 s( R( j) o
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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