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.5.39.217.77:8898$ X. N( k4 E/ N0 M$ L) V
- 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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7 e( y r) g3 b9 p; @6 h公仔箱論壇中间那个说我也不知道我戴什么颜色帽子.
e" d5 U4 h. d/ [- 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.公仔箱論壇1 ?9 y7 g0 l( v4 _
+ q% |" R+ i! Q0 b$ Z( qtvb now,tvbnow,bttvb但是第一个说我知道我戴什么颜色帽子.
8 A9 U: w6 q) T D& eTVBNOW 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。- #1 must be wearing RED |