三个红色和两个黑色
$ q3 ~4 d( k! X- }- k, JTVBNOW 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。tvb now,tvbnow,bttvb. R( T/ x6 `2 k+ N
最后那个说我不知道我戴什么颜色帽子.tvb now,tvbnow,bttvb. K7 |) l; \, ~3 i
- 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.
/ C6 l; B$ X6 H% Q5 G, M! P) N' J6 B5.39.217.77
6 _) ]$ j; p- T3 Jtvb now,tvbnow,bttvb中间那个说我也不知道我戴什么颜色帽子.公仔箱論壇9 t8 P6 P- c, @+ w
- 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.5.39.217.77% @* Q- R0 p! t+ T5 ~
+ `5 q/ ]2 Z3 i' I! V5.39.217.77但是第一个说我知道我戴什么颜色帽子.5.39.217.77' e4 k. L9 O4 s) r7 U% _
- #1 must be wearing RED |