三个红色和两个黑色tvb now,tvbnow,bttvb: L" M7 }, s8 o! K# d
( m- R( t7 V! ^6 U最后那个说我不知道我戴什么颜色帽子.www3.tvboxnow.com. E/ i' q, ], L4 [4 q8 d) 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.# z* h( ]; s4 R
8 C; ]9 \' l1 z% X! H/ D中间那个说我也不知道我戴什么颜色帽子.- S( _. j. I* G. e
- 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 E T5 { M4 t U$ K/ F) P
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但是第一个说我知道我戴什么颜色帽子.. V" l4 r" P- |+ V7 c. f$ m: V. a
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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