回複：SAP智力題 Day and night

來源: 屋漏痕 於 2009-08-05 06:30:46 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (577 bytes)

Use (X,Y) to denote what X thinks Y would say now.

It's easy to see that, no matter it's day or night,
(A,C)=day, (A,D)=night
(B,C)=night, (B,D)=day
(C,A)=day, (C,B)=night
(D,A)=night, (D,B)=day.

Question 1:
Based on this table,
A=>C
B=>D
C=>B
D=>A,
what will the person next to you say? e.g., for A the question is what C will say.

If the answer is day, then the person is A or B, then the question 2 is what C will say?

If the answer is night, then the person is C or D, then the question 2 is what A will say?

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