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One is the sum of the other two (Posted on 2005-07-31) Difficulty: 3 of 5
Show that, given any subset A of more than 1+½n numbers from the set {1,...,n}, for some three of the given numbers, one is the sum of the other two.

See The Solution Submitted by McWorter    
Rating: 2.3333 (3 votes)

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re: solution? Nicely done! Comment 6 of 6 |
(In reply to solution? by KC)

Even the long-standing problem "Sweet Sixteen" succumbs to your laser mind, all in just one day!  Great work!
  Posted by McWorter on 2005-07-31 21:33:52

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