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Mission impossible (Posted on 2013-04-03) Difficulty: 2 of 5
In a certain football contest the winner scores 3 points, the loser 0, and in the case of a draw each team scores 1 point.

Out of all "possible" final scores (0<R<3*n) for a team, participating in N games, how many final results cannot be achieved?

See The Solution Submitted by Ady TZIDON    
Rating: 4.0000 (1 votes)

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Hints/Tips my intention Comment 5 of 5 |


Jer is right.

The answer is 1.

  For N games the only unachievable score is 3N-1.

I have somehow misread Jer's answer.

If one gets in each of his meetings with Grandma
either  1,3 or none candies , there is no way to end up with
3*n-1 candies after the n-th meeting.

Edited on April 4, 2013, 12:03 am
  Posted by Ady TZIDON on 2013-04-03 23:40:50

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