or ABC is not triangle
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For arbirary three points, at least one distance of a pair is 1.
-wxcfan123-
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08/13/2011 postreply
13:53:22
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It this is true, you can put any number points on one line.
-wxcfan123-
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08/13/2011 postreply
13:56:48
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sorry, i misunderstand the question
-15少-
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08/13/2011 postreply
14:09:50