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Horoscope Hijinks I (Posted on 2006-11-28) Difficulty: 4 of 5
The twelve signs of the horoscope (AQUARIUS, ARIES, and so on) run a race along the Zodiac. In how many different ways can the race end, if ties are possible?

See The Solution Submitted by Federico Kereki    
Rating: 3.0000 (1 votes)

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re(3): Smaller Zodiacs | Comment 7 of 9 |
(In reply to re(2): Smaller Zodiacs by Charlie)

This is essentially the same formula as I gave.  The nice thing is that the formula has a very nice meaning (as I described) which was how I came up with it.  The 1 in your version is everyone tied or first and the sum over how many many did not tie for first (total choose losers)*a(losers)

  Posted by Joel on 2006-11-28 16:19:08

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