三个红色和两个黑色
+ _/ s6 X) }! z( F2 y2 t/ d9 \5 K5.39.217.77:8898
6 ~7 R" o& r9 R2 \" U5.39.217.77:8898最后那个说我不知道我戴什么颜色帽子.
5 V, ~% C. r L- S( n: {6 d5.39.217.77:8898- 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.公仔箱論壇' ^5 m3 s/ z) o* G5 k
) [: y$ m6 t# q+ Y$ @+ n! V8 Otvb now,tvbnow,bttvb中间那个说我也不知道我戴什么颜色帽子.
A2 k0 ?/ A8 I) w- Z5 v+ z8 n- 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.
1 `7 X% H; t- m8 B' q% {1 e: b2 Q0 O6 O% l) `5 x
但是第一个说我知道我戴什么颜色帽子.tvb now,tvbnow,bttvb" f% C6 z0 k! O+ N
- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
| 
