CoCalc -- sum.lua

GitHub Repository: sagemathinc/wapython
Path: blob/main/core/lua/src/sum.lua
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-- sum the integers from 1 up to n
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function sum (n)
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  local s = 0
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  for i = 1,n do
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    s = s + i
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  end
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  return s
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end
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start = os.clock()
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s = sum(10000000)
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print(s, os.clock()-start)
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