7 lines
157 B
Lua
7 lines
157 B
Lua
fact = setmetatable({[0] = 1}, {
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__call = function(t,n)
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if n < 0 then return 0 end
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if not t[n] then t[n] = n * t(n-1) end
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return t[n]
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end
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})
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