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.公仔箱論壇. t" B3 m6 j, j5 A; H7 t
- 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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中间那个说我也不知道我戴什么颜色帽子.
* M! {0 [( ], q; ]公仔箱論壇- 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.5.39.217.761 }2 ^5 H0 t# m
: }# F' X2 M. e5 C! v6 t) u但是第一个说我知道我戴什么颜色帽子.
+ R9 E8 H u6 wtvb now,tvbnow,bttvb- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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