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  1. while 1
  2. 	n=gets.to_i
  3. 	break if n==0
  4. 	as=[]
  5. 	n.times{
  6. 		as<<gets.to_i
  7. 	}
  8. 	as.sort!
  9. 	ans=0
  10. 	(n-1).times{|i|
  11. 		ans+=as[i]*(n-i-1)
  12. 	}
  13. 	puts ans
  14. end
  15.  
Success #stdin #stdout 0.01s 6304KB
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https://ideone.com/JKmppP
language:
Ruby (ruby 2.5.5)
created:
1 year ago
visibility:
public

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