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There is error in this problem.

Posted by songuno1 at 2007-03-18 07:37:03 on Problem 3132 
When n and k are 24 and 3 respectively, the answer is two because there are two sets {2, 3, 18} When n and k are 24 and 3 respectively, the answer is two because there are two sets {2, 3, 19} 

and {2, 5, 17} whose sums are equal to 24. 
and {2, 5, 17} whose sums are equal to 24. 


 not 18, but 19.
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