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  1. (defn sum [n] (* n (inc n) 1/2))
  2.  
  3. (print (sum 1000))
Success #stdin #stdout 1.98s 336576KB
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Standard input is empty
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500500N
https://ideone.com/Vv3k5T
language:
Clojure (clojure 1.10.0)
created:
8 years ago
visibility:
public

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