三个红色和两个黑色
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: R9 A% a& q. w, l! Ros.tvboxnow.com最后那个说我不知道我戴什么颜色帽子.$ F7 Z" L% G2 z _8 o3 [
- 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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+ Y$ e& k" C1 l- V2 c中间那个说我也不知道我戴什么颜色帽子.
: S- D3 {$ M; Y5 b# \- 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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2 Z3 |7 |* q4 F: n/ D. x( ~公仔箱論壇但是第一个说我知道我戴什么颜色帽子.. K5 M3 j4 V% d3 J0 L( d' ~
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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