三个红色和两个黑色7 Q9 d u5 s# L' P [
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' Y& c7 l. T+ o4 ?5 u+ @公仔箱論壇- 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.8 o+ E3 c7 P; m: U% C
! q, k: |) b# G" Y6 G$ n* Z0 [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。中间那个说我也不知道我戴什么颜色帽子.公仔箱論壇! D7 K# L0 ` q* e/ q6 ]8 i
- 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2 S x1 i# ` F- ^# G2 P5 @' \. `5 b
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但是第一个说我知道我戴什么颜色帽子.5.39.217.77:8898; h; G. n# s! B$ N8 |
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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