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https://github.com/zekexiao/pocketlang.git
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21 lines
349 B
Lua
21 lines
349 B
Lua
local function reverse(arr)
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local len = #arr
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local max = math.floor(len / 2)
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for i=1, max do
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local idx = len + 1 - i
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arr[i], arr[idx] = arr[idx], arr[i]
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end
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end
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local N = 20000000
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local list = {}
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for i=1, N do
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list[i] = i
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end
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local start = os.clock()
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reverse(list)
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local seconds = os.clock() - start
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print('elapsed: ' .. seconds .. 's')
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