三个红色和两个黑色
/ D( U/ R( |. h6 i. E1 | Q4 v# iTVBNOW 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。
2 Y) A% R) h Q) ~' _# T' J最后那个说我不知道我戴什么颜色帽子.www2.tvboxnow.com4 g \0 w3 ]& z
- 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.
- g4 o3 N$ I+ ^, m; t: }! h
9 q4 k6 u {: z0 a- q, _tvb now,tvbnow,bttvb中间那个说我也不知道我戴什么颜色帽子.
8 O' T: b! `5 x) jtvb now,tvbnow,bttvb- 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.0 _# R! S" b, e- \# q
" I3 x8 x& W4 _7 c: z% a, C* H' _
但是第一个说我知道我戴什么颜色帽子.www2.tvboxnow.com2 B6 C* W% @8 k1 m
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
| 
