C答中了。A和B一定答不到因看不到其他人。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。% a1 Y0 X9 a0 `
假設C和B是同一顏色, 那D就會立刻知道自己的顏色，% ^1 R D. k7 O" B4 `) e
而不會過了一會才作答，C發現D不知道答案時就表示5.39.217.76: r% Y. m) {1 u3 V. A" B7 O/ L9 o
C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. & ~! S& ]# Y0 i( U( m5.39.217.76That means D is not sure the answer by seeing one white and one black.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。 H d# w( h0 [
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~~
