C答中了。A和B一定答不到因看不到其他人。# \5 M# S3 |2 u' U( M
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，7 e! a! F Q7 K' `6 M |
而不會過了一會才作答，C發現D不知道答案時就表示 4 z9 b; T- h. n9 w YC和B是不同顏色，那麼C只要答和B相反的顏色就對了。
C knows the answer by deducing D is not yelling out the answer. # r6 Y, G# X% ?9 K0 T! \- `That means D is not sure the answer by seeing one white and one black. 3 K+ ~0 g" W$ D: c' M& {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。C saw B is wearing the white, hence he is wearing the black
C, because he saw B's hat is white and he knows D can see the color of B's and his hat. If B and his hat has the same color, D would speak out. But D kept silent, so C knows that his hat's color must be different.
發表於 2013-2-10 08:55 PM
| 
好難哦~~
