C答中了。A和B一定答不到因看不到其他人。 8 ^8 D5 E, U. I0 M假設C和B是同一顏色, 那D就會立刻知道自己的顏色，5.39.217.76/ C. |: ]7 e: p; q& Y. `* s
而不會過了一會才作答，C發現D不知道答案時就表示 8 V$ w! A1 C" ?. x: A) q" wtvb now,tvbnow,bttvbC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. : Y0 a f, z$ a' y* ]' {$ \That means D is not sure the answer by seeing one white and one black. 9 l1 l! C% j. u公仔箱論壇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
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好難哦~~
