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tom.care 2015-10-6 11:37 AM

求解

[color=#666666]http://clintonowner.w e e b l y.com/uploads/2/6/1/6/26168794/scan_1.pdf[/color]

我brute force了,但應該有純推理方法,求高人指點方法。
[url=http://cecilia-spanish-lessons.blogspot.com/2015/10/logic-puzzle.html]Brute force解。[/url]

[[i] 本帖最後由 tom.care 於 2015-10-6 11:40 AM 編輯 [/i]]

tom.care 2015-10-7 09:59 AM

有冇人幫幫手?

tom.care 2015-10-8 09:53 PM

冇得推理解?

tom.care 2015-11-18 05:31 AM

有高手嗎?

善良之安 2015-11-27 12:03 AM

[font=Tahoma]In (2) Politician is not born in Oct so the Politician is not Brodie neither.

From (1) and (2)
[table=50%][tr][td] [font=Tahoma]Brodie[/font][/td][td] [/td][/tr][tr][td] [/td][td] [font=Tahoma] Politician[/font][/td][/tr][tr][td] [font=Tahoma]Oct  [/font][/td][td]De[font=Tahoma]cember[/font] [/td][/tr][/table]

In (4) The architect's birthday is earlier than Swede's. So Swede is not the architect. Apply into (3), Swede is born in July and Liliana is an architect.

Since Swede is born in July. Apply it into (4), the architect is born in June and the lawyer is born in April.

Swede is born in July. Apply it into (1), Brodie is an American.

Since Liliana and Brodie are not Politician, together with (2), Peria is the politician.

From (1) to (4)
[table=50%][tr][td] [/td][td] [font=Tahoma]Liliana[/font][/td][td] [/td][td][font=Tahoma]Brodie[/font][/td][td] [font=Tahoma]Peria[/font][/td][/tr][tr][td] [font=Tahoma]Laywer[/font][/td][td] [font=Tahoma]Architect[/font][/td][td] [/td][td] [/td][td] [font=Tahoma]Politician[/font][/td][/tr][tr][td] [font=Tahoma]April[/font][/td][td] [font=Tahoma] June[/font][/td][td] [font=Tahoma]July[/font][/td][td] [font=Tahoma]October[/font][/td][td] [font=Tahoma]December[/font][/td][/tr][tr][td] [/td][td] [/td][td] [font=Tahoma]Swede[/font][/td][td] [font=Tahoma]American[/font][/td][td] [/td][/tr][/table]

In (5), The engineer's birthday is later than Bulgarian's. So the politicain is a Bulgarian.

In (5), the one born in June (Liliana) is not a Czech, the only choice is Serbian. Then the laywer is a Czech.

In (5), Ayden is not a Czech. Ayden is a Swede.

In (5), Ayden is not an engineer. Brodie is an engineer

From (1) to (5)
[table=50%][tr][td] [/td][td] [font=Tahoma]Liliana[/font][/td][td][font=Tahoma]Ayden  [/font]
[/td][td] [font=Tahoma]Brodie[/font][/td][td] [font=Tahoma]Peria[/font][/td][/tr][tr][td] [font=Tahoma]Laywer[/font][/td][td] [font=Tahoma]Architect[/font][/td][td] [/td][td] [font=Tahoma]Engineer[/font][/td][td][font=Tahoma]Politician[/font]
[/td][/tr][tr][td] [font=Tahoma]April [/font][/td][td][font=Tahoma]June[/font]
[/td][td][font=Tahoma]July [/font]
[/td][td] [font=Tahoma]October [/font][/td][td] [font=Tahoma]December[/font][/td][/tr][tr][td] [font=Tahoma]Czech[/font][/td][td][font=Tahoma]Serbian [/font][/td][td] [font=Tahoma]Swede[/font][/td][td] [font=Tahoma]American[/font][/td][td] [font=Tahoma]Bulgarian[/font][/td][/tr][/table]

Similar problem please search 'Einstein riddle'.[/font]
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