三个红色和两个黑色
6 Q# q0 y1 x$ g3 o9 d2 utvb now,tvbnow,bttvbTVBNOW 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。# a, g3 k9 \2 Z& G" n d
最后那个说我不知道我戴什么颜色帽子./ H8 c* ?) d9 D7 h6 {" T! b1 O# I, f
- 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.2 H9 z3 k2 f" o- h5 _2 u
[# N. r6 q- U; `1 Vtvb now,tvbnow,bttvb中间那个说我也不知道我戴什么颜色帽子.7 W5 ^- r& H% U* ^8 h) o* s. F
- 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.tvb now,tvbnow,bttvb0 L: a+ }% T1 o0 T. y! P
5.39.217.77:8898& e* @+ {* M. Z7 p1 Y
但是第一个说我知道我戴什么颜色帽子.$ w4 Y; h2 v' W$ l
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
| 
