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function add(n, acc)
  acc = acc or 0
  if n == 0 then
    return acc
  end
  return add(n-1, 1+acc)
end
 
print(add(1000000))

Success #stdin #stdout 0.24s 2540KB

stdin

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Standard input is empty

stdout

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https://ideone.com/PLw0c

language:

Lua (luac 5.3.3)

created:

visibility:

public

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