15 lines
268 B
Lua
15 lines
268 B
Lua
-- Negative n resulted in a stackoverflow (infinite recursion)
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function fact(n)
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if n == 0 then
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return 1
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elseif n < 0 then
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return nil
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else
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return n * fact(n - 1)
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end
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end
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print("enter a number:")
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a = io.read("*n")
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print(fact(a))
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