三个红色和两个黑色
( B: \8 Q; Y# ] t! k; wwww2.tvboxnow.com
1 ^! {4 o( B7 T" n6 }- F公仔箱論壇最后那个说我不知道我戴什么颜色帽子.
$ u0 y, p( G1 r5 m3 L L, Xwww2.tvboxnow.com- 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.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。, f. v4 c. G) ]. m( e; z
# ^7 e/ D+ H U" E5 Q& s7 o) C中间那个说我也不知道我戴什么颜色帽子.www2.tvboxnow.com4 t( j4 U- @- A: K# d9 H
- 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.6 v8 {. K9 N: p8 R
2 ~8 h, x; W+ P但是第一个说我知道我戴什么颜色帽子.
) i4 f8 e$ A. H; ~2 ~. A公仔箱論壇- #1 must be wearing RED |